* fio with fallocate fails with ENOSYS
@ 2012-07-12 20:51 Kevin Castiglia
2012-07-31 19:14 ` Jens Axboe
0 siblings, 1 reply; 4+ messages in thread
From: Kevin Castiglia @ 2012-07-12 20:51 UTC (permalink / raw)
To: fio
Hello,
fio with fallocate fails with ENOSYS, but I'm unable to reproduce this
failure outside of fio. The following command:
fio --rw=write --fallocate=keep --filename=hello --size=1G
--runtime=10 --time_based --name=test
reports an error (if there is no file named 'hello' in my current
working directory).
Within the output I see: err=38 (file:filesetup.c:98, func=fallocate,
error=Function not implemented)
The following C program prints 0 (if there is no file named testing in
my current working directory):
#include <linux/falloc.h>
#include <stdio.h>
#include <errno.h>
int main() {
int f = open("testing", "O_CREAT", "0644");
int r = fallocate(f, 01, 0, 1073741824);
printf("%d\n", r);
}
Why is the fio command above failing with ENOSYS when this test
program runs without errors?
Also,
$ strace fallocate -n -l 1G test
...
fallocate(3, 01, 0, 1073741824) = 0
...
the fallocate system call seems to work.
I'm using Fedora 16 , fio 2.07, and an ext4 filesystem
$ fio --version
fio 2.0.7
$ uname -r
3.1.0-7.fc16.x86_64
$ mount
...
/dev/mapper/vg_kcastiglia-lv_home on /home type ext4
(rw,relatime,seclabel,user_xattr,acl,barrier=1,data=ordered)
...
$ ldd --version
ldd (GNU libc) 2.14.90
...
$ gcc --version
gcc (GCC) 4.6.3 20120306 (Red Hat 4.6.3-2)
...
Thanks for your help,
Kevin Castiglia
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: fio with fallocate fails with ENOSYS
2012-07-12 20:51 fio with fallocate fails with ENOSYS Kevin Castiglia
@ 2012-07-31 19:14 ` Jens Axboe
2012-07-31 19:29 ` Kevin Castiglia
0 siblings, 1 reply; 4+ messages in thread
From: Jens Axboe @ 2012-07-31 19:14 UTC (permalink / raw)
To: Kevin Castiglia; +Cc: fio
On 2012-07-12 22:51, Kevin Castiglia wrote:
> Hello,
>
> fio with fallocate fails with ENOSYS, but I'm unable to reproduce this
> failure outside of fio. The following command:
> fio --rw=write --fallocate=keep --filename=hello --size=1G
> --runtime=10 --time_based --name=test
> reports an error (if there is no file named 'hello' in my current
> working directory).
>
> Within the output I see: err=38 (file:filesetup.c:98, func=fallocate,
> error=Function not implemented)
>
> The following C program prints 0 (if there is no file named testing in
> my current working directory):
>
> #include <linux/falloc.h>
> #include <stdio.h>
> #include <errno.h>
>
> int main() {
>
> int f = open("testing", "O_CREAT", "0644");
> int r = fallocate(f, 01, 0, 1073741824);
> printf("%d\n", r);
>
> }
>
> Why is the fio command above failing with ENOSYS when this test
> program runs without errors?
>
> Also,
>
> $ strace fallocate -n -l 1G test
> ...
> fallocate(3, 01, 0, 1073741824) = 0
> ...
>
> the fallocate system call seems to work.
>
> I'm using Fedora 16 , fio 2.07, and an ext4 filesystem
>
> $ fio --version
> fio 2.0.7
>
> $ uname -r
> 3.1.0-7.fc16.x86_64
>
> $ mount
> ...
> /dev/mapper/vg_kcastiglia-lv_home on /home type ext4
> (rw,relatime,seclabel,user_xattr,acl,barrier=1,data=ordered)
> ...
>
> $ ldd --version
> ldd (GNU libc) 2.14.90
> ...
>
> $ gcc --version
> gcc (GCC) 4.6.3 20120306 (Red Hat 4.6.3-2)
> ...
It'd help if you strace (-f) fio to show the issue.
--
Jens Axboe
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: fio with fallocate fails with ENOSYS
2012-07-31 19:14 ` Jens Axboe
@ 2012-07-31 19:29 ` Kevin Castiglia
2012-07-31 19:32 ` Wade Cline
0 siblings, 1 reply; 4+ messages in thread
From: Kevin Castiglia @ 2012-07-31 19:29 UTC (permalink / raw)
To: Jens Axboe; +Cc: fio
[-- Attachment #1: Type: text/plain, Size: 1901 bytes --]
On Tue, Jul 31, 2012 at 3:14 PM, Jens Axboe <axboe@kernel.dk> wrote:
> On 2012-07-12 22:51, Kevin Castiglia wrote:
>> Hello,
>>
>> fio with fallocate fails with ENOSYS, but I'm unable to reproduce this
>> failure outside of fio. The following command:
>> fio --rw=write --fallocate=keep --filename=hello --size=1G
>> --runtime=10 --time_based --name=test
>> reports an error (if there is no file named 'hello' in my current
>> working directory).
>>
>> Within the output I see: err=38 (file:filesetup.c:98, func=fallocate,
>> error=Function not implemented)
>>
>> The following C program prints 0 (if there is no file named testing in
>> my current working directory):
>>
>> #include <linux/falloc.h>
>> #include <stdio.h>
>> #include <errno.h>
>>
>> int main() {
>>
>> int f = open("testing", "O_CREAT", "0644");
>> int r = fallocate(f, 01, 0, 1073741824);
>> printf("%d\n", r);
>>
>> }
>>
>> Why is the fio command above failing with ENOSYS when this test
>> program runs without errors?
>>
>> Also,
>>
>> $ strace fallocate -n -l 1G test
>> ...
>> fallocate(3, 01, 0, 1073741824) = 0
>> ...
>>
>> the fallocate system call seems to work.
>>
>> I'm using Fedora 16 , fio 2.07, and an ext4 filesystem
>>
>> $ fio --version
>> fio 2.0.7
>>
>> $ uname -r
>> 3.1.0-7.fc16.x86_64
>>
>> $ mount
>> ...
>> /dev/mapper/vg_kcastiglia-lv_home on /home type ext4
>> (rw,relatime,seclabel,user_xattr,acl,barrier=1,data=ordered)
>> ...
>>
>> $ ldd --version
>> ldd (GNU libc) 2.14.90
>> ...
>>
>> $ gcc --version
>> gcc (GCC) 4.6.3 20120306 (Red Hat 4.6.3-2)
>> ...
>
> It'd help if you strace (-f) fio to show the issue.
>
> --
> Jens Axboe
>
I've attached the output of strace -f fio --rw=write --fallocate=keep
--filename=hello --size=1G --runtime=10 --time_based --name=test
Hope this helps,
Kevin Castiglia
[-- Attachment #2: strace_output.log --]
[-- Type: application/octet-stream, Size: 128584 bytes --]
$ strace -f fio --rw=write --fallocate=keep --filename=hello --size=1G --runtime=10 --time_based --name=test
execve("/usr/local/bin/fio", ["fio", "--rw=write", "--fallocate=keep", "--filename=hello", "--size=1G", "--runtime=10", "--time_based", "--name=test"], [/* 47 vars */]) = 0
brk(0) = 0xc7a000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e29fd7000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=113412, ...}) = 0
mmap(NULL, 113412, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f9e29fbb000
close(3) = 0
open("/lib64/libm.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260Q\0\"4\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=603096, ...}) = 0
mmap(0x3422000000, 2633960, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3422000000
mprotect(0x3422083000, 2093056, PROT_NONE) = 0
mmap(0x3422282000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x82000) = 0x3422282000
close(3) = 0
open("/lib64/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320k@!4\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=145176, ...}) = 0
mmap(0x3421400000, 2208760, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3421400000
mprotect(0x3421417000, 2093056, PROT_NONE) = 0
mmap(0x3421616000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16000) = 0x3421616000
mmap(0x3421618000, 13304, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3421618000
close(3) = 0
open("/lib64/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340\r\200!4\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=22696, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e29fba000
mmap(0x3421800000, 2109704, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3421800000
mprotect(0x3421802000, 2097152, PROT_NONE) = 0
mmap(0x3421a02000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x3421a02000
close(3) = 0
open("/lib64/librt.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`\"\300!4\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=48128, ...}) = 0
mmap(0x3421c00000, 2128984, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3421c00000
mprotect(0x3421c07000, 2093056, PROT_NONE) = 0
mmap(0x3421e06000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x3421e06000
close(3) = 0
open("/lib64/libaio.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0p\5@\2775\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=5616, ...}) = 0
mmap(0x35bf400000, 2099824, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x35bf400000
mprotect(0x35bf401000, 2093056, PROT_NONE) = 0
mmap(0x35bf600000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0) = 0x35bf600000
close(3) = 0
open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260\27\2!4\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=2076800, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e29fb9000
mmap(0x3421000000, 3896632, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3421000000
mprotect(0x34211ad000, 2097152, PROT_NONE) = 0
mmap(0x34213ad000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1ad000) = 0x34213ad000
mmap(0x34213b3000, 17720, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x34213b3000
close(3) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e29fb8000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e29fb7000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e29fb6000
arch_prctl(ARCH_SET_FS, 0x7f9e29fb7700) = 0
mprotect(0x34213ad000, 16384, PROT_READ) = 0
mprotect(0x3421616000, 4096, PROT_READ) = 0
mprotect(0x3421e06000, 4096, PROT_READ) = 0
mprotect(0x3421a02000, 4096, PROT_READ) = 0
mprotect(0x3422282000, 4096, PROT_READ) = 0
mprotect(0x3420e21000, 4096, PROT_READ) = 0
munmap(0x7f9e29fbb000, 113412) = 0
set_tid_address(0x7f9e29fb79d0) = 8699
set_robust_list(0x7f9e29fb79e0, 24) = 0
rt_sigaction(SIGRTMIN, {0x3421406720, [], SA_RESTORER|SA_SIGINFO, 0x342140f500}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0x34214067b0, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x342140f500}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
mmap(NULL, 96, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS, -1, 0) = 0x7f9e29fd6000
mmap(NULL, 96, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS, -1, 0) = 0x7f9e29fd5000
mmap(NULL, 8422404, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS, -1, 0) = 0x7f9e297ad000
mmap(NULL, 96, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS, -1, 0) = 0x7f9e29fd4000
open("/usr/lib/locale/locale-archive", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=104997456, ...}) = 0
mmap(NULL, 104997456, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f9e2338a000
close(3) = 0
brk(0) = 0xc7a000
brk(0xc9b000) = 0xc9b000
brk(0) = 0xc9b000
open("/proc/meminfo", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e29fd3000
read(3, "MemTotal: 6058840 kB\nMemF"..., 1024) = 1024
close(3) = 0
munmap(0x7f9e29fd3000, 4096) = 0
open("/sys/devices/system/cpu/online", O_RDONLY|O_CLOEXEC) = 3
read(3, "0-3\n", 8192) = 4
close(3) = 0
sched_getaffinity(8699, 128, {f, 0, 0, 0}) = 32
stat("hello", 0x7fff62e32540) = -1 ENOENT (No such file or directory)
shmget(IPC_PRIVATE, 30515204, IPC_CREAT|0600) = 78413881
shmat(78413881, 0, 0) = 0x7f9e2166f000
mmap(NULL, 96, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS, -1, 0) = 0x7f9e2166e000
mmap(NULL, 96, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS, -1, 0) = 0x7f9e2166d000
mmap(NULL, 96, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS, -1, 0) = 0x7f9e2166c000
open("/dev/urandom", O_RDONLY) = 3
read(3, "\354\341\274\2458\6/\212\264=gI\247o\370\322\221\27\314\362\16\300\235 E\226#\264kM\334\247"..., 64) = 64
close(3) = 0
fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e2166b000
write(1, "test: (g=0): rw=write, bs=4K-4K/"..., 64test: (g=0): rw=write, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
) = 64
write(1, "fio 2.0.7\n", 10fio 2.0.7
) = 10
mmap(NULL, 96, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS, -1, 0) = 0x7f9e2166a000
mmap(NULL, 96, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS, -1, 0) = 0x7f9e21669000
mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9e20e68000
mprotect(0x7f9e20e68000, 4096, PROT_NONE) = 0
clone(Process 8700 attached
child_stack=0x7f9e21667ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f9e216689d0, tls=0x7f9e21668700, child_tidptr=0x7f9e216689d0) = 8700
[pid 8700] set_robust_list(0x7f9e216689e0, 24 <unfinished ...>
[pid 8699] futex(0x7f9e2166a02c, FUTEX_WAIT, 1, NULL <unfinished ...>
[pid 8700] <... set_robust_list resumed> ) = 0
[pid 8700] futex(0x7f9e2166a02c, FUTEX_WAKE_OP, 1, 1, 0x7f9e2166a028, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
[pid 8699] <... futex resumed> ) = 0
[pid 8700] nanosleep({0, 250000000}, <unfinished ...>
[pid 8699] futex(0x7f9e2166a000, FUTEX_WAKE, 1) = 0
[pid 8699] rt_sigaction(SIGINT, {0x435830, [], SA_RESTORER|SA_RESTART, 0x342140f500}, NULL, 8) = 0
[pid 8699] rt_sigaction(SIGTERM, {0x435830, [], SA_RESTORER|SA_RESTART, 0x342140f500}, NULL, 8) = 0
[pid 8699] write(1, "Starting 1 process\n", 19Starting 1 process
) = 19
[pid 8699] stat("hello", 0x7fff62e2e930) = -1 ENOENT (No such file or directory)
[pid 8699] write(1, "test: Laying out IO file(s) (1 f"..., 49test: Laying out IO file(s) (1 file(s) / 1024MB)
) = 49
[pid 8699] unlink("hello") = -1 ENOENT (No such file or directory)
[pid 8699] open("hello", O_WRONLY|O_CREAT, 0644) = 3
[pid 8699] fadvise64(3, 0, 1073741824, POSIX_FADV_DONTNEED) = 0
[pid 8699] close(3) = 0
[pid 8699] lstat("hello", {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3
[pid 8699] getdents(3, /* 15 entries */, 32768) = 424
[pid 8699] stat("/sys/block/loop0", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop0", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
[pid 8699] getdents(4, /* 21 entries */, 32768) = 632
[pid 8699] lstat("/sys/block/loop0/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/loop0/dev", O_RDONLY) = 5
[pid 8699] fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(5, "7:0\n", 4096) = 4
[pid 8699] close(5) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] lstat("/sys/block/loop0/dev", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/subsystem", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/ext_range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/removable", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/ro", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/alignment_offset", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/discard_alignment", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/capability", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/stat", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/inflight", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/power", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop0/power", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 11 entries */, 32768) = 400
[pid 8699] lstat("/sys/block/loop0/power/async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/power/runtime_status", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/power/runtime_usage", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/power/runtime_active_kids", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/power/runtime_enabled", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/power/control", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/power/runtime_suspended_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/power/runtime_active_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/power/autosuspend_delay_ms", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop0/holders", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop0/holders", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop0/slaves", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop0/slaves", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop0/trace", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop0/trace", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 7 entries */, 32768) = 200
[pid 8699] lstat("/sys/block/loop0/trace/enable", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/trace/act_mask", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/trace/pid", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/trace/start_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/trace/end_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop0/queue", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop0/queue", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 23 entries */, 32768) = 832
[pid 8699] lstat("/sys/block/loop0/queue/nr_requests", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/read_ahead_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/max_hw_sectors_kb", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/max_sectors_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/max_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/max_integrity_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/max_segment_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/scheduler", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/hw_sector_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/logical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/physical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/minimum_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/optimal_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/discard_granularity", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/discard_max_bytes", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/discard_zeroes_data", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/rotational", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/nomerges", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/rq_affinity", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/iostats", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop0/queue/add_random", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop0/bdi", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] getdents(4, /* 0 entries */, 32768) = 0
[pid 8699] close(4) = 0
[pid 8699] stat("/sys/block/loop1", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop1", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
[pid 8699] getdents(4, /* 21 entries */, 32768) = 632
[pid 8699] lstat("/sys/block/loop1/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/loop1/dev", O_RDONLY) = 5
[pid 8699] fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(5, "7:1\n", 4096) = 4
[pid 8699] close(5) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] lstat("/sys/block/loop1/dev", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/subsystem", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/ext_range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/removable", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/ro", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/alignment_offset", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/discard_alignment", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/capability", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/stat", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/inflight", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/power", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop1/power", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 11 entries */, 32768) = 400
[pid 8699] lstat("/sys/block/loop1/power/async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/power/runtime_status", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/power/runtime_usage", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/power/runtime_active_kids", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/power/runtime_enabled", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/power/control", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/power/runtime_suspended_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/power/runtime_active_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/power/autosuspend_delay_ms", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop1/holders", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop1/holders", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop1/slaves", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop1/slaves", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop1/trace", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop1/trace", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 7 entries */, 32768) = 200
[pid 8699] lstat("/sys/block/loop1/trace/enable", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/trace/act_mask", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/trace/pid", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/trace/start_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/trace/end_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop1/queue", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop1/queue", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 23 entries */, 32768) = 832
[pid 8699] lstat("/sys/block/loop1/queue/nr_requests", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/read_ahead_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/max_hw_sectors_kb", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/max_sectors_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/max_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/max_integrity_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/max_segment_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/scheduler", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/hw_sector_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/logical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/physical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/minimum_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/optimal_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/discard_granularity", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/discard_max_bytes", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/discard_zeroes_data", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/rotational", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/nomerges", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/rq_affinity", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/iostats", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop1/queue/add_random", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop1/bdi", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] getdents(4, /* 0 entries */, 32768) = 0
[pid 8699] close(4) = 0
[pid 8699] stat("/sys/block/loop2", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop2", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
[pid 8699] getdents(4, /* 21 entries */, 32768) = 632
[pid 8699] lstat("/sys/block/loop2/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/loop2/dev", O_RDONLY) = 5
[pid 8699] fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(5, "7:2\n", 4096) = 4
[pid 8699] close(5) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] lstat("/sys/block/loop2/dev", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/subsystem", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/ext_range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/removable", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/ro", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/alignment_offset", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/discard_alignment", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/capability", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/stat", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/inflight", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/power", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop2/power", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 11 entries */, 32768) = 400
[pid 8699] lstat("/sys/block/loop2/power/async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/power/runtime_status", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/power/runtime_usage", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/power/runtime_active_kids", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/power/runtime_enabled", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/power/control", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/power/runtime_suspended_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/power/runtime_active_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/power/autosuspend_delay_ms", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop2/holders", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop2/holders", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop2/slaves", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop2/slaves", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop2/trace", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop2/trace", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 7 entries */, 32768) = 200
[pid 8699] lstat("/sys/block/loop2/trace/enable", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/trace/act_mask", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/trace/pid", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/trace/start_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/trace/end_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop2/queue", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop2/queue", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 23 entries */, 32768) = 832
[pid 8699] lstat("/sys/block/loop2/queue/nr_requests", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/read_ahead_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/max_hw_sectors_kb", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/max_sectors_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/max_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/max_integrity_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/max_segment_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/scheduler", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/hw_sector_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/logical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/physical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/minimum_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/optimal_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/discard_granularity", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/discard_max_bytes", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/discard_zeroes_data", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/rotational", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/nomerges", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/rq_affinity", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/iostats", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop2/queue/add_random", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop2/bdi", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] getdents(4, /* 0 entries */, 32768) = 0
[pid 8699] close(4) = 0
[pid 8699] stat("/sys/block/loop3", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop3", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
[pid 8699] getdents(4, /* 21 entries */, 32768) = 632
[pid 8699] lstat("/sys/block/loop3/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/loop3/dev", O_RDONLY) = 5
[pid 8699] fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(5, "7:3\n", 4096) = 4
[pid 8699] close(5) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] lstat("/sys/block/loop3/dev", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/subsystem", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/ext_range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/removable", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/ro", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/alignment_offset", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/discard_alignment", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/capability", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/stat", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/inflight", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/power", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop3/power", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 11 entries */, 32768) = 400
[pid 8699] lstat("/sys/block/loop3/power/async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/power/runtime_status", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/power/runtime_usage", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/power/runtime_active_kids", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/power/runtime_enabled", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/power/control", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/power/runtime_suspended_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/power/runtime_active_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/power/autosuspend_delay_ms", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop3/holders", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop3/holders", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop3/slaves", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop3/slaves", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop3/trace", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop3/trace", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 7 entries */, 32768) = 200
[pid 8699] lstat("/sys/block/loop3/trace/enable", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/trace/act_mask", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/trace/pid", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/trace/start_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/trace/end_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop3/queue", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop3/queue", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 23 entries */, 32768) = 832
[pid 8699] lstat("/sys/block/loop3/queue/nr_requests", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/read_ahead_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/max_hw_sectors_kb", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/max_sectors_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/max_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/max_integrity_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/max_segment_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/scheduler", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/hw_sector_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/logical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/physical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/minimum_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/optimal_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/discard_granularity", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/discard_max_bytes", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/discard_zeroes_data", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/rotational", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/nomerges", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/rq_affinity", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/iostats", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop3/queue/add_random", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop3/bdi", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] getdents(4, /* 0 entries */, 32768) = 0
[pid 8699] close(4) = 0
[pid 8699] stat("/sys/block/loop4", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop4", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
[pid 8699] getdents(4, /* 21 entries */, 32768) = 632
[pid 8699] lstat("/sys/block/loop4/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/loop4/dev", O_RDONLY) = 5
[pid 8699] fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(5, "7:4\n", 4096) = 4
[pid 8699] close(5) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] lstat("/sys/block/loop4/dev", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/subsystem", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/ext_range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/removable", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/ro", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/alignment_offset", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/discard_alignment", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/capability", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/stat", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/inflight", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/power", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop4/power", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 11 entries */, 32768) = 400
[pid 8699] lstat("/sys/block/loop4/power/async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/power/runtime_status", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/power/runtime_usage", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/power/runtime_active_kids", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/power/runtime_enabled", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/power/control", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/power/runtime_suspended_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/power/runtime_active_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/power/autosuspend_delay_ms", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop4/holders", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop4/holders", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop4/slaves", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop4/slaves", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop4/trace", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop4/trace", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 7 entries */, 32768) = 200
[pid 8699] lstat("/sys/block/loop4/trace/enable", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/trace/act_mask", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/trace/pid", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/trace/start_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/trace/end_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop4/queue", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop4/queue", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 23 entries */, 32768) = 832
[pid 8699] lstat("/sys/block/loop4/queue/nr_requests", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/read_ahead_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/max_hw_sectors_kb", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/max_sectors_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/max_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/max_integrity_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/max_segment_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/scheduler", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/hw_sector_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/logical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/physical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/minimum_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/optimal_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/discard_granularity", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/discard_max_bytes", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/discard_zeroes_data", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/rotational", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/nomerges", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/rq_affinity", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/iostats", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop4/queue/add_random", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop4/bdi", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] getdents(4, /* 0 entries */, 32768) = 0
[pid 8699] close(4) = 0
[pid 8699] stat("/sys/block/loop5", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop5", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
[pid 8699] getdents(4, /* 21 entries */, 32768) = 632
[pid 8699] lstat("/sys/block/loop5/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/loop5/dev", O_RDONLY) = 5
[pid 8699] fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(5, "7:5\n", 4096) = 4
[pid 8699] close(5) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] lstat("/sys/block/loop5/dev", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/subsystem", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/ext_range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/removable", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/ro", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/alignment_offset", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/discard_alignment", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/capability", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/stat", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/inflight", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/power", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop5/power", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 11 entries */, 32768) = 400
[pid 8699] lstat("/sys/block/loop5/power/async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/power/runtime_status", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/power/runtime_usage", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/power/runtime_active_kids", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/power/runtime_enabled", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/power/control", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/power/runtime_suspended_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/power/runtime_active_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/power/autosuspend_delay_ms", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop5/holders", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop5/holders", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop5/slaves", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop5/slaves", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop5/trace", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop5/trace", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 7 entries */, 32768) = 200
[pid 8699] lstat("/sys/block/loop5/trace/enable", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/trace/act_mask", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/trace/pid", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/trace/start_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/trace/end_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop5/queue", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop5/queue", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 23 entries */, 32768) = 832
[pid 8699] lstat("/sys/block/loop5/queue/nr_requests", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/read_ahead_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/max_hw_sectors_kb", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/max_sectors_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/max_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/max_integrity_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/max_segment_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/scheduler", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/hw_sector_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/logical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/physical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/minimum_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/optimal_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/discard_granularity", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/discard_max_bytes", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/discard_zeroes_data", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/rotational", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/nomerges", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/rq_affinity", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/iostats", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop5/queue/add_random", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop5/bdi", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] getdents(4, /* 0 entries */, 32768) = 0
[pid 8699] close(4) = 0
[pid 8699] stat("/sys/block/loop6", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop6", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
[pid 8699] getdents(4, /* 21 entries */, 32768) = 632
[pid 8699] lstat("/sys/block/loop6/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/loop6/dev", O_RDONLY) = 5
[pid 8699] fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(5, "7:6\n", 4096) = 4
[pid 8699] close(5) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] lstat("/sys/block/loop6/dev", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/subsystem", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/ext_range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/removable", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/ro", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/alignment_offset", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/discard_alignment", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/capability", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/stat", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/inflight", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/power", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop6/power", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 11 entries */, 32768) = 400
[pid 8699] lstat("/sys/block/loop6/power/async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/power/runtime_status", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/power/runtime_usage", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/power/runtime_active_kids", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/power/runtime_enabled", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/power/control", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/power/runtime_suspended_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/power/runtime_active_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/power/autosuspend_delay_ms", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop6/holders", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop6/holders", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop6/slaves", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop6/slaves", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop6/trace", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop6/trace", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 7 entries */, 32768) = 200
[pid 8699] lstat("/sys/block/loop6/trace/enable", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/trace/act_mask", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/trace/pid", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/trace/start_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/trace/end_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop6/queue", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop6/queue", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 23 entries */, 32768) = 832
[pid 8699] lstat("/sys/block/loop6/queue/nr_requests", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/read_ahead_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/max_hw_sectors_kb", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/max_sectors_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/max_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/max_integrity_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/max_segment_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/scheduler", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/hw_sector_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/logical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/physical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/minimum_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/optimal_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/discard_granularity", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/discard_max_bytes", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/discard_zeroes_data", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/rotational", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/nomerges", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/rq_affinity", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/iostats", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop6/queue/add_random", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop6/bdi", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] getdents(4, /* 0 entries */, 32768) = 0
[pid 8699] close(4) = 0
[pid 8699] stat("/sys/block/loop7", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop7", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
[pid 8699] getdents(4, /* 21 entries */, 32768) = 632
[pid 8699] lstat("/sys/block/loop7/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/loop7/dev", O_RDONLY) = 5
[pid 8699] fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(5, "7:7\n", 4096) = 4
[pid 8699] close(5) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] lstat("/sys/block/loop7/dev", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/subsystem", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/ext_range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/removable", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/ro", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/alignment_offset", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/discard_alignment", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/capability", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/stat", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/inflight", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/power", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop7/power", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 11 entries */, 32768) = 400
[pid 8699] lstat("/sys/block/loop7/power/async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/power/runtime_status", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/power/runtime_usage", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/power/runtime_active_kids", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/power/runtime_enabled", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/power/control", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/power/runtime_suspended_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/power/runtime_active_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/power/autosuspend_delay_ms", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop7/holders", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop7/holders", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop7/slaves", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop7/slaves", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop7/trace", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop7/trace", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 7 entries */, 32768) = 200
[pid 8699] lstat("/sys/block/loop7/trace/enable", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/trace/act_mask", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/trace/pid", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/trace/start_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/trace/end_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop7/queue", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/loop7/queue", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 23 entries */, 32768) = 832
[pid 8699] lstat("/sys/block/loop7/queue/nr_requests", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/read_ahead_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/max_hw_sectors_kb", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/max_sectors_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/max_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/max_integrity_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/max_segment_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/scheduler", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/hw_sector_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/logical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/physical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/minimum_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/optimal_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/discard_granularity", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/discard_max_bytes", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/discard_zeroes_data", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/rotational", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/nomerges", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/rq_affinity", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/iostats", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/loop7/queue/add_random", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/loop7/bdi", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] getdents(4, /* 0 entries */, 32768) = 0
[pid 8699] close(4) = 0
[pid 8699] stat("/sys/block/sda", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
[pid 8699] getdents(4, /* 28 entries */, 32768) = 840
[pid 8699] lstat("/sys/block/sda/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/sda/dev", O_RDONLY) = 5
[pid 8699] fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(5, "8:0\n", 4096) = 4
[pid 8699] close(5) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] lstat("/sys/block/sda/dev", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/subsystem", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/sda/device", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/sda/range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/ext_range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/removable", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/ro", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/alignment_offset", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/discard_alignment", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/capability", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/stat", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/inflight", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/power", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/power", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 11 entries */, 32768) = 400
[pid 8699] lstat("/sys/block/sda/power/async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/power/runtime_status", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/power/runtime_usage", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/power/runtime_active_kids", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/power/runtime_enabled", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/power/control", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/power/runtime_suspended_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/power/runtime_active_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/power/autosuspend_delay_ms", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/sda/holders", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/holders", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/sda/slaves", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/slaves", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/sda/sda1", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/sda1", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 16 entries */, 32768) = 480
[pid 8699] lstat("/sys/block/sda/sda1/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/sda/sda1/dev", O_RDONLY) = 6
[pid 8699] fstat(6, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(6, "8:1\n", 4096) = 4
[pid 8699] close(6) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] lstat("/sys/block/sda/sda1/dev", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/subsystem", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/partition", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/start", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/ro", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/alignment_offset", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/discard_alignment", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/stat", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/inflight", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/trace", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/sda1/trace", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 6
[pid 8699] brk(0) = 0xc9b000
[pid 8699] brk(0xcbc000) = 0xcbc000
[pid 8699] getdents(6, /* 7 entries */, 32768) = 200
[pid 8699] lstat("/sys/block/sda/sda1/trace/enable", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/trace/act_mask", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/trace/pid", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/trace/start_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/trace/end_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(6, /* 0 entries */, 32768) = 0
[pid 8699] brk(0) = 0xcbc000
[pid 8699] brk(0) = 0xcbc000
[pid 8699] brk(0xcb4000) = 0xcb4000
[pid 8699] brk(0) = 0xcb4000
[pid 8699] close(6) = 0
[pid 8699] lstat("/sys/block/sda/sda1/power", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/sda1/power", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 6
[pid 8699] getdents(6, /* 11 entries */, 32768) = 400
[pid 8699] lstat("/sys/block/sda/sda1/power/async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/power/runtime_status", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/power/runtime_usage", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/power/runtime_active_kids", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/power/runtime_enabled", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/power/control", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/power/runtime_suspended_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/power/runtime_active_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda1/power/autosuspend_delay_ms", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(6, /* 0 entries */, 32768) = 0
[pid 8699] close(6) = 0
[pid 8699] lstat("/sys/block/sda/sda1/holders", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/sda1/holders", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 6
[pid 8699] getdents(6, /* 2 entries */, 32768) = 48
[pid 8699] getdents(6, /* 0 entries */, 32768) = 0
[pid 8699] close(6) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] brk(0) = 0xcb4000
[pid 8699] brk(0) = 0xcb4000
[pid 8699] brk(0xcac000) = 0xcac000
[pid 8699] brk(0) = 0xcac000
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/sda/sda2", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/sda2", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 16 entries */, 32768) = 480
[pid 8699] lstat("/sys/block/sda/sda2/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/sda/sda2/dev", O_RDONLY) = 6
[pid 8699] fstat(6, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(6, "8:2\n", 4096) = 4
[pid 8699] close(6) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] lstat("/sys/block/sda/sda2/dev", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/subsystem", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/partition", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/start", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/ro", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/alignment_offset", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/discard_alignment", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/stat", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/inflight", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/trace", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/sda2/trace", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 6
[pid 8699] getdents(6, /* 7 entries */, 32768) = 200
[pid 8699] lstat("/sys/block/sda/sda2/trace/enable", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/trace/act_mask", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/trace/pid", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/trace/start_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/trace/end_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(6, /* 0 entries */, 32768) = 0
[pid 8699] close(6) = 0
[pid 8699] lstat("/sys/block/sda/sda2/power", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/sda2/power", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 6
[pid 8699] getdents(6, /* 11 entries */, 32768) = 400
[pid 8699] lstat("/sys/block/sda/sda2/power/async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/power/runtime_status", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/power/runtime_usage", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/power/runtime_active_kids", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/power/runtime_enabled", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/power/control", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/power/runtime_suspended_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/power/runtime_active_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda2/power/autosuspend_delay_ms", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(6, /* 0 entries */, 32768) = 0
[pid 8699] close(6) = 0
[pid 8699] lstat("/sys/block/sda/sda2/holders", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/sda2/holders", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 6
[pid 8699] getdents(6, /* 2 entries */, 32768) = 48
[pid 8699] getdents(6, /* 0 entries */, 32768) = 0
[pid 8699] close(6) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/sda/sda3", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/sda3", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 16 entries */, 32768) = 480
[pid 8699] lstat("/sys/block/sda/sda3/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/sda/sda3/dev", O_RDONLY) = 6
[pid 8699] fstat(6, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(6, "8:3\n", 4096) = 4
[pid 8699] close(6) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] lstat("/sys/block/sda/sda3/dev", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/subsystem", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/partition", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/start", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/ro", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/alignment_offset", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/discard_alignment", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/stat", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/inflight", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/trace", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/sda3/trace", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 6
[pid 8699] getdents(6, /* 7 entries */, 32768) = 200
[pid 8699] lstat("/sys/block/sda/sda3/trace/enable", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/trace/act_mask", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/trace/pid", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/trace/start_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/trace/end_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(6, /* 0 entries */, 32768) = 0
[pid 8699] close(6) = 0
[pid 8699] lstat("/sys/block/sda/sda3/power", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/sda3/power", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 6
[pid 8699] getdents(6, /* 11 entries */, 32768) = 400
[pid 8699] lstat("/sys/block/sda/sda3/power/async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/power/runtime_status", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/power/runtime_usage", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/power/runtime_active_kids", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/power/runtime_enabled", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/power/control", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/power/runtime_suspended_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/power/runtime_active_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/power/autosuspend_delay_ms", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(6, /* 0 entries */, 32768) = 0
[pid 8699] close(6) = 0
[pid 8699] lstat("/sys/block/sda/sda3/holders", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/sda3/holders", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 6
[pid 8699] getdents(6, /* 5 entries */, 32768) = 120
[pid 8699] lstat("/sys/block/sda/sda3/holders/dm-0", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/holders/dm-1", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/sda/sda3/holders/dm-2", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] getdents(6, /* 0 entries */, 32768) = 0
[pid 8699] close(6) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/sda/trace", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/trace", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 7 entries */, 32768) = 200
[pid 8699] lstat("/sys/block/sda/trace/enable", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/trace/act_mask", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/trace/pid", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/trace/start_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/trace/end_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/sda/queue", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/queue", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 24 entries */, 32768) = 864
[pid 8699] lstat("/sys/block/sda/queue/nr_requests", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/read_ahead_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/max_hw_sectors_kb", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/max_sectors_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/max_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/max_integrity_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/max_segment_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/scheduler", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/hw_sector_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/logical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/physical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/minimum_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/optimal_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/discard_granularity", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/discard_max_bytes", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/discard_zeroes_data", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/rotational", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/nomerges", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/rq_affinity", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/iostats", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/add_random", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/iosched", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sda/queue/iosched", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 6
[pid 8699] getdents(6, /* 13 entries */, 32768) = 440
[pid 8699] lstat("/sys/block/sda/queue/iosched/quantum", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/iosched/fifo_expire_sync", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/iosched/fifo_expire_async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/iosched/back_seek_max", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/iosched/back_seek_penalty", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/iosched/slice_sync", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/iosched/slice_async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/iosched/slice_async_rq", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/iosched/slice_idle", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/iosched/group_idle", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/queue/iosched/low_latency", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(6, /* 0 entries */, 32768) = 0
[pid 8699] close(6) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/sda/bdi", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/sda/events", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/events_async", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sda/events_poll_msecs", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(4, /* 0 entries */, 32768) = 0
[pid 8699] brk(0) = 0xcac000
[pid 8699] brk(0) = 0xcac000
[pid 8699] brk(0xca4000) = 0xca4000
[pid 8699] brk(0) = 0xca4000
[pid 8699] close(4) = 0
[pid 8699] stat("/sys/block/sr0", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sr0", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
[pid 8699] getdents(4, /* 25 entries */, 32768) = 768
[pid 8699] lstat("/sys/block/sr0/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/sr0/dev", O_RDONLY) = 5
[pid 8699] fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(5, "11:0\n", 4096) = 5
[pid 8699] close(5) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] lstat("/sys/block/sr0/dev", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/subsystem", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/device", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/ext_range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/removable", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/ro", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/alignment_offset", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/discard_alignment", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/capability", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/stat", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/inflight", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/power", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sr0/power", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 11 entries */, 32768) = 400
[pid 8699] lstat("/sys/block/sr0/power/async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/power/runtime_status", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/power/runtime_usage", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/power/runtime_active_kids", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/power/runtime_enabled", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/power/control", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/power/runtime_suspended_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/power/runtime_active_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/power/autosuspend_delay_ms", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/sr0/holders", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sr0/holders", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/sr0/slaves", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sr0/slaves", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/sr0/trace", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sr0/trace", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 7 entries */, 32768) = 200
[pid 8699] lstat("/sys/block/sr0/trace/enable", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/trace/act_mask", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/trace/pid", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/trace/start_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/trace/end_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/sr0/queue", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sr0/queue", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 25 entries */, 32768) = 888
[pid 8699] lstat("/sys/block/sr0/queue/nr_requests", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/read_ahead_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/max_hw_sectors_kb", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/max_sectors_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/max_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/max_integrity_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/max_segment_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/scheduler", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/hw_sector_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/logical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/physical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/minimum_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/optimal_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/discard_granularity", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/discard_max_bytes", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/discard_zeroes_data", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/rotational", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/nomerges", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/rq_affinity", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/iostats", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/add_random", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/iosched", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/sr0/queue/iosched", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 6
[pid 8699] getdents(6, /* 13 entries */, 32768) = 440
[pid 8699] lstat("/sys/block/sr0/queue/iosched/quantum", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/iosched/fifo_expire_sync", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/iosched/fifo_expire_async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/iosched/back_seek_max", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/iosched/back_seek_penalty", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/iosched/slice_sync", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/iosched/slice_async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/iosched/slice_async_rq", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/iosched/slice_idle", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/iosched/group_idle", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/queue/iosched/low_latency", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(6, /* 0 entries */, 32768) = 0
[pid 8699] close(6) = 0
[pid 8699] lstat("/sys/block/sr0/queue/bsg", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/sr0/bdi", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/events", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/events_async", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/sr0/events_poll_msecs", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(4, /* 0 entries */, 32768) = 0
[pid 8699] close(4) = 0
[pid 8699] stat("/sys/block/dm-0", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-0", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
[pid 8699] getdents(4, /* 22 entries */, 32768) = 656
[pid 8699] lstat("/sys/block/dm-0/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/dm-0/dev", O_RDONLY) = 5
[pid 8699] fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(5, "253:0\n", 4096) = 6
[pid 8699] close(5) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] lstat("/sys/block/dm-0/dev", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/subsystem", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/ext_range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/removable", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/ro", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/alignment_offset", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/discard_alignment", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/capability", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/stat", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/inflight", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/power", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-0/power", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 11 entries */, 32768) = 400
[pid 8699] lstat("/sys/block/dm-0/power/async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/power/runtime_status", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/power/runtime_usage", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/power/runtime_active_kids", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/power/runtime_enabled", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/power/control", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/power/runtime_suspended_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/power/runtime_active_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/power/autosuspend_delay_ms", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/dm-0/holders", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-0/holders", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/dm-0/slaves", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-0/slaves", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 3 entries */, 32768) = 72
[pid 8699] lstat("/sys/block/dm-0/slaves/sda3", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/dm-0/trace", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-0/trace", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 7 entries */, 32768) = 200
[pid 8699] lstat("/sys/block/dm-0/trace/enable", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/trace/act_mask", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/trace/pid", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/trace/start_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/trace/end_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/dm-0/queue", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-0/queue", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 23 entries */, 32768) = 832
[pid 8699] lstat("/sys/block/dm-0/queue/nr_requests", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/read_ahead_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/max_hw_sectors_kb", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/max_sectors_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/max_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/max_integrity_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/max_segment_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/scheduler", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/hw_sector_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/logical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/physical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/minimum_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/optimal_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/discard_granularity", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/discard_max_bytes", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/discard_zeroes_data", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/rotational", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/nomerges", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/rq_affinity", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/iostats", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/queue/add_random", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/dm-0/bdi", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/dm", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-0/dm", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 5 entries */, 32768) = 128
[pid 8699] lstat("/sys/block/dm-0/dm/name", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/dm/uuid", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-0/dm/suspended", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] getdents(4, /* 0 entries */, 32768) = 0
[pid 8699] close(4) = 0
[pid 8699] stat("/sys/block/dm-1", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-1", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
[pid 8699] getdents(4, /* 22 entries */, 32768) = 656
[pid 8699] lstat("/sys/block/dm-1/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/dm-1/dev", O_RDONLY) = 5
[pid 8699] fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(5, "253:1\n", 4096) = 6
[pid 8699] close(5) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] lstat("/sys/block/dm-1/dev", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/subsystem", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/ext_range", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/removable", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/ro", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/alignment_offset", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/discard_alignment", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/capability", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/stat", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/inflight", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/power", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-1/power", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 11 entries */, 32768) = 400
[pid 8699] lstat("/sys/block/dm-1/power/async", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/power/runtime_status", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/power/runtime_usage", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/power/runtime_active_kids", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/power/runtime_enabled", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/power/control", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/power/runtime_suspended_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/power/runtime_active_time", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/power/autosuspend_delay_ms", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/dm-1/holders", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-1/holders", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 2 entries */, 32768) = 48
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/dm-1/slaves", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-1/slaves", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 3 entries */, 32768) = 72
[pid 8699] lstat("/sys/block/dm-1/slaves/sda3", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/dm-1/trace", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-1/trace", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 7 entries */, 32768) = 200
[pid 8699] lstat("/sys/block/dm-1/trace/enable", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/trace/act_mask", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/trace/pid", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/trace/start_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/trace/end_lba", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/dm-1/queue", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-1/queue", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 23 entries */, 32768) = 832
[pid 8699] lstat("/sys/block/dm-1/queue/nr_requests", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/read_ahead_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/max_hw_sectors_kb", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/max_sectors_kb", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/max_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/max_integrity_segments", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/max_segment_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/scheduler", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/hw_sector_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/logical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/physical_block_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/minimum_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/optimal_io_size", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/discard_granularity", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/discard_max_bytes", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/discard_zeroes_data", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/rotational", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/nomerges", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/rq_affinity", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/iostats", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/queue/add_random", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] lstat("/sys/block/dm-1/bdi", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/dm", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-1/dm", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
[pid 8699] getdents(5, /* 5 entries */, 32768) = 128
[pid 8699] lstat("/sys/block/dm-1/dm/name", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/dm/uuid", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] lstat("/sys/block/dm-1/dm/suspended", {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] getdents(5, /* 0 entries */, 32768) = 0
[pid 8699] close(5) = 0
[pid 8699] getdents(4, /* 0 entries */, 32768) = 0
[pid 8699] close(4) = 0
[pid 8699] stat("/sys/block/dm-2", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-2", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
[pid 8699] getdents(4, /* 22 entries */, 32768) = 656
[pid 8699] lstat("/sys/block/dm-2/uevent", {st_mode=S_IFREG|0644, st_size=4096, ...}) = 0
[pid 8699] open("/sys/block/dm-2/dev", O_RDONLY) = 5
[pid 8699] fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] read(5, "253:2\n", 4096) = 6
[pid 8699] close(5) = 0
[pid 8699] munmap(0x7f9e20e67000, 4096) = 0
[pid 8699] close(4) = 0
[pid 8699] brk(0) = 0xca4000
[pid 8699] brk(0) = 0xca4000
[pid 8699] brk(0xc9c000) = 0xc9c000
[pid 8699] brk(0) = 0xc9c000
[pid 8699] close(3) = 0
[pid 8699] stat("/sys/block/dm-2/../queue", 0x7fff62e2c8c0) = -1 ENOENT (No such file or directory)
[pid 8699] mmap(NULL, 96, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e67000
[pid 8699] open("/sys/block/dm-2/stat", O_RDONLY) = 3
[pid 8699] fstat(3, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e66000
[pid 8699] read(3, " 22652 0 562266 367"..., 4096) = 99
[pid 8699] close(3) = 0
[pid 8699] munmap(0x7f9e20e66000, 4096) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-2/slaves", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3
[pid 8699] getdents(3, /* 3 entries */, 32768) = 72
[pid 8699] readlink("/sys/block/dm-2/slaves/sda3", "../../../../pci0000:00/0000:00:1"..., 4096) = 76
[pid 8699] open("/sys/block/dm-2/slaves/../../../../pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda3/dev", O_RDONLY) = 4
[pid 8699] fstat(4, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e66000
[pid 8699] read(4, "8:3\n", 4096) = 4
[pid 8699] close(4) = 0
[pid 8699] munmap(0x7f9e20e66000, 4096) = 0
[pid 8699] stat("/sys/block/dm-2/slaves/../../../../pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/sda3/../queue", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] stat("/sys/block/dm-2/slaves/../../../../pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/queue", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 8699] mmap(NULL, 96, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e66000
[pid 8699] open("/sys/block/dm-2/slaves/../../../../pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/stat", O_RDONLY) = 4
[pid 8699] fstat(4, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e65000
[pid 8699] read(4, " 76621 6891 3045202 977"..., 4096) = 99
[pid 8699] close(4) = 0
[pid 8699] munmap(0x7f9e20e65000, 4096) = 0
[pid 8699] openat(AT_FDCWD, "/sys/block/dm-2/slaves/../../../../pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/slaves", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
[pid 8699] getdents(4, /* 2 entries */, 32768) = 48
[pid 8699] getdents(4, /* 0 entries */, 32768) = 0
[pid 8699] close(4) = 0
[pid 8699] getdents(3, /* 0 entries */, 32768) = 0
[pid 8699] close(3) = 0
[pid 8699] clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f9e29fb79d0) = 8701
Process 8701 attached
[pid 8699] futex(0x7f9e2166a02c, FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME, 3, {1343762469, 877157000}, ffffffff <unfinished ...>
[pid 8701] set_robust_list(0x7f9e29fb79e0, 24) = 0
[pid 8701] shmat(78413881, 0, 0) = 0x7f9e1f14b000
[pid 8701] setsid() = 8701
[pid 8701] futex(0x7f9e2166a02c, FUTEX_WAKE_OP, 1, 1, 0x7f9e2166a028, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
[pid 8699] <... futex resumed> ) = 0
[pid 8699] futex(0x7f9e2166a000, FUTEX_WAIT, 2, NULL <unfinished ...>
[pid 8701] futex(0x7f9e2166a000, FUTEX_WAKE, 1 <unfinished ...>
[pid 8699] <... futex resumed> ) = -1 EAGAIN (Resource temporarily unavailable)
[pid 8701] <... futex resumed> ) = 0
[pid 8699] futex(0x7f9e2166a000, FUTEX_WAKE, 1 <unfinished ...>
[pid 8701] futex(0x7f9e2166c02c, FUTEX_WAIT, 1, NULL <unfinished ...>
[pid 8699] <... futex resumed> ) = 0
[pid 8699] nanosleep({0, 100000000}, <unfinished ...>
[pid 8700] <... nanosleep resumed> NULL) = 0
[pid 8700] mmap(NULL, 134217728, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x7f9e18e66000
[pid 8700] munmap(0x7f9e18e66000, 52011008) = 0
[pid 8700] munmap(0x7f9e20000000, 15097856) = 0
[pid 8700] mprotect(0x7f9e1c000000, 135168, PROT_READ|PROT_WRITE) = 0
[pid 8700] open("/sys/block/dm-2/slaves/../../../../pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/stat", O_RDONLY) = 3
[pid 8700] fstat(3, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8700] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e65000
[pid 8700] read(3, " 76621 6891 3045202 977"..., 4096) = 99
[pid 8700] close(3) = 0
[pid 8700] munmap(0x7f9e20e65000, 4096) = 0
[pid 8700] ioctl(1, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
[pid 8700] nanosleep({0, 250000000}, <unfinished ...>
[pid 8699] <... nanosleep resumed> NULL) = 0
[pid 8699] futex(0x7f9e2166c02c, FUTEX_WAKE_OP, 1, 1, 0x7f9e2166c028, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
[pid 8701] <... futex resumed> ) = 0
[pid 8699] wait4(8701, <unfinished ...>
[pid 8701] futex(0x7f9e2166c000, FUTEX_WAKE, 1 <unfinished ...>
[pid 8699] <... wait4 resumed> 0x7fff62e2ea60, WNOHANG, NULL) = 0
[pid 8701] <... futex resumed> ) = 0
[pid 8699] wait4(8701, 0x7fff62e2ea60, WNOHANG, NULL) = 0
[pid 8701] munmap(0x7f9e2166c000, 96 <unfinished ...>
[pid 8699] nanosleep({0, 10000000}, <unfinished ...>
[pid 8701] <... munmap resumed> ) = 0
[pid 8701] open("/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size", O_RDONLY) = 3
[pid 8701] read(3, "64\n", 32) = 3
[pid 8701] close(3) = 0
[pid 8701] getpriority(PRIO_PROCESS, 0) = 20
[pid 8701] setpriority(PRIO_PROCESS, 0, 0) = 0
[pid 8701] getpriority(PRIO_PROCESS, 0) = 20
[pid 8701] getrusage(RUSAGE_SELF, {ru_utime={0, 0}, ru_stime={0, 0}, ...}) = 0
[pid 8701] open("hello", O_RDWR|O_CREAT, 0600) = 3
[pid 8701] fadvise64(3, 0, 1073741824, POSIX_FADV_DONTNEED) = 0
[pid 8701] fadvise64(3, 0, 1073741824, POSIX_FADV_SEQUENTIAL) = 0
[pid 8701] lseek(3, 0, SEEK_SET) = 0
[pid 8701] write(3, "\0(\220Z\224Kl=\0\5Rw*\\\343\31\240@jL\334/'\30\24H=i\306\277v\7"..., 4096) = 4096
[pid 8701] getrusage(RUSAGE_SELF, {ru_utime={0, 0}, ru_stime={0, 0}, ...}) = 0
[pid 8701] write(1, "fio: pid=8701, err=38/file:files"..., 90fio: pid=8701, err=38/file:filesetup.c:98, func=fallocate, error=Function not implemented
) = 90
[pid 8701] close(3) = 0
[pid 8701] shmdt(0x7f9e1f14b000) = 0
[pid 8701] exit_group(38) = ?
[pid 8701] +++ exited with 38 +++
[pid 8699] <... nanosleep resumed> NULL) = ? ERESTART_RESTARTBLOCK (Interrupted by signal)
[pid 8699] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8701, si_status=38, si_utime=0, si_stime=0} ---
[pid 8699] restart_syscall(<... resuming interrupted call ...>) = 0
[pid 8699] wait4(8701, [{WIFEXITED(s) && WEXITSTATUS(s) == 38}], 0, NULL) = 8701
[pid 8699] nanosleep({0, 10000000}, NULL) = 0
[pid 8699] open("/sys/block/dm-2/slaves/../../../../pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/stat", O_RDONLY) = 3
[pid 8699] fstat(3, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
[pid 8699] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e20e65000
[pid 8699] read(3, " 76621 6891 3045202 977"..., 4096) = 99
[pid 8699] close(3) = 0
[pid 8699] munmap(0x7f9e20e65000, 4096) = 0
[pid 8699] write(1, "\n", 1
) = 1
[pid 8699] write(1, "test: (groupid=0, jobs=1): err=3"..., 114test: (groupid=0, jobs=1): err=38 (file:filesetup.c:98, func=fallocate, error=Function not implemented): pid=8701
) = 114
[pid 8699] write(1, " write: io=4096 B, bw=4000.0KB/"..., 63 write: io=4096 B, bw=4000.0KB/s, iops=1000 , runt= 1msec
) = 63
[pid 8699] write(1, " clat (usec): min=117 , max=1"..., 61 clat (usec): min=117 , max=117 , avg=117.00, stdev= 0.00
) = 61
[pid 8699] write(1, " lat (usec): min=117 , max=1"..., 61 lat (usec): min=117 , max=117 , avg=117.00, stdev= 0.00
) = 61
[pid 8699] write(1, " clat percentiles (usec):\n", 29 clat percentiles (usec):
) = 29
[pid 8699] write(1, " | 1.00th=[ 117], 5.00th="..., 75 | 1.00th=[ 117], 5.00th=[ 117], 10.00th=[ 117], 20.00th=[ 117],
) = 75
[pid 8699] write(1, " | 30.00th=[ 117], 40.00th="..., 75 | 30.00th=[ 117], 40.00th=[ 117], 50.00th=[ 117], 60.00th=[ 117],
) = 75
[pid 8699] write(1, " | 70.00th=[ 117], 80.00th="..., 75 | 70.00th=[ 117], 80.00th=[ 117], 90.00th=[ 117], 95.00th=[ 117],
) = 75
[pid 8699] write(1, " | 99.00th=[ 117], 99.50th="..., 75 | 99.00th=[ 117], 99.50th=[ 117], 99.90th=[ 117], 99.95th=[ 117],
) = 75
[pid 8699] write(1, " | 99.99th=[ 117]\n", 23 | 99.99th=[ 117]
) = 23
[pid 8699] write(1, " lat (usec) : 250=100.00%\n", 29 lat (usec) : 250=100.00%
) = 29
[pid 8699] write(1, " cpu : usr=0.00%, sys="..., 63 cpu : usr=0.00%, sys=0.00%, ctx=12, majf=0, minf=24
) = 63
[pid 8699] write(1, " IO depths : 1=100.0%, 2=0.0"..., 79 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
) = 79
[pid 8699] write(1, " submit : 0=0.0%, 4=100.0"..., 80 submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
) = 80
[pid 8699] write(1, " complete : 0=50.0%, 4=50.0"..., 80 complete : 0=50.0%, 4=50.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
) = 80
[pid 8699] write(1, " issued : total=r=0/w=1/d"..., 54 issued : total=r=0/w=1/d=0, short=r=0/w=0/d=0
) = 54
[pid 8699] write(1, "\nRun status group 0 (all jobs):\n", 32
Run status group 0 (all jobs):
) = 32
[pid 8699] write(1, " WRITE: io=4KB, aggrb=4000KB/s,"..., 86 WRITE: io=4KB, aggrb=4000KB/s, minb=4000KB/s, maxb=4000KB/s, mint=1msec, maxt=1msec
) = 86
[pid 8699] write(1, "\nDisk stats (read/write):\n", 26
Disk stats (read/write):
) = 26
[pid 8699] write(1, " dm-2: ios=0/0, merge=0/0, ti"..., 139 dm-2: ios=0/0, merge=0/0, ticks=0/0, in_queue=0, util=0.00%, aggrios=0/0, aggrmerge=0/0, aggrticks=0/0, aggrin_queue=0, aggrutil=0.00%
) = 139
[pid 8699] write(1, " sda: ios=0/0, merge=0/0, ticks"..., 61 sda: ios=0/0, merge=0/0, ticks=0/0, in_queue=0, util=0.00%
) = 61
[pid 8699] munmap(0x7f9e20e67000, 96) = 0
[pid 8699] munmap(0x7f9e20e66000, 96) = 0
[pid 8699] munmap(0x7f9e2166a000, 96) = 0
[pid 8699] munmap(0x7f9e21669000, 96) = 0
[pid 8699] munmap(0x7f9e2166e000, 96) = 0
[pid 8699] munmap(0x7f9e2166d000, 96) = 0
[pid 8699] shmdt(0x7f9e2166f000) = 0
[pid 8699] shmctl(78413881, IPC_RMID, 0x7fff62e32b30) = 0
[pid 8699] munmap(0x7f9e297ad000, 8422404) = 0
[pid 8699] munmap(0x7f9e29fd4000, 96) = 0
[pid 8699] munmap(0x7f9e29fd5000, 96) = 0
[pid 8699] munmap(0x7f9e29fd6000, 96) = 0
[pid 8699] exit_group(1) = ?
[pid 8700] +++ exited with 1 +++
+++ exited with 1 +++
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: fio with fallocate fails with ENOSYS
2012-07-31 19:29 ` Kevin Castiglia
@ 2012-07-31 19:32 ` Wade Cline
0 siblings, 0 replies; 4+ messages in thread
From: Wade Cline @ 2012-07-31 19:32 UTC (permalink / raw)
To: Kevin Castiglia; +Cc: Jens Axboe, fio, cmm
[-- Attachment #1: Type: text/plain, Size: 2411 bytes --]
Hello,
I actually ran into this issue as well and made a patch for it, though I
seem to have sent the e-mail to the incorrect address. I'll re-submit it
real quick...
Thank you,
Wade Cline
From: Kevin Castiglia <kcastiglia@aereo.com>
To: Jens Axboe <axboe@kernel.dk>,
Cc: fio@vger.kernel.org
Date: 07/31/2012 12:30 PM
Subject: Re: fio with fallocate fails with ENOSYS
Sent by: fio-owner@vger.kernel.org
On Tue, Jul 31, 2012 at 3:14 PM, Jens Axboe <axboe@kernel.dk> wrote:
> On 2012-07-12 22:51, Kevin Castiglia wrote:
>> Hello,
>>
>> fio with fallocate fails with ENOSYS, but I'm unable to reproduce this
>> failure outside of fio. The following command:
>> fio --rw=write --fallocate=keep --filename=hello --size=1G
>> --runtime=10 --time_based --name=test
>> reports an error (if there is no file named 'hello' in my current
>> working directory).
>>
>> Within the output I see: err=38 (file:filesetup.c:98, func=fallocate,
>> error=Function not implemented)
>>
>> The following C program prints 0 (if there is no file named testing in
>> my current working directory):
>>
>> #include <linux/falloc.h>
>> #include <stdio.h>
>> #include <errno.h>
>>
>> int main() {
>>
>> int f = open("testing", "O_CREAT", "0644");
>> int r = fallocate(f, 01, 0, 1073741824);
>> printf("%d\n", r);
>>
>> }
>>
>> Why is the fio command above failing with ENOSYS when this test
>> program runs without errors?
>>
>> Also,
>>
>> $ strace fallocate -n -l 1G test
>> ...
>> fallocate(3, 01, 0, 1073741824) = 0
>> ...
>>
>> the fallocate system call seems to work.
>>
>> I'm using Fedora 16 , fio 2.07, and an ext4 filesystem
>>
>> $ fio --version
>> fio 2.0.7
>>
>> $ uname -r
>> 3.1.0-7.fc16.x86_64
>>
>> $ mount
>> ...
>> /dev/mapper/vg_kcastiglia-lv_home on /home type ext4
>> (rw,relatime,seclabel,user_xattr,acl,barrier=1,data=ordered)
>> ...
>>
>> $ ldd --version
>> ldd (GNU libc) 2.14.90
>> ...
>>
>> $ gcc --version
>> gcc (GCC) 4.6.3 20120306 (Red Hat 4.6.3-2)
>> ...
>
> It'd help if you strace (-f) fio to show the issue.
>
> --
> Jens Axboe
>
I've attached the output of strace -f fio --rw=write --fallocate=keep
--filename=hello --size=1G --runtime=10 --time_based --name=test
Hope this helps,
Kevin Castiglia
[attachment "strace_output.log" deleted by Wade Cline/Beaverton/IBM]
[-- Attachment #2: Type: text/html, Size: 4341 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2012-07-31 19:32 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2012-07-12 20:51 fio with fallocate fails with ENOSYS Kevin Castiglia
2012-07-31 19:14 ` Jens Axboe
2012-07-31 19:29 ` Kevin Castiglia
2012-07-31 19:32 ` Wade Cline
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