From: Jan Dittmer <jdi@l4x.org>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: VFS: Busy inodes after unmount. Self-destruct in 5 seconds. Have a nice day...
Date: Wed, 08 Feb 2006 08:48:48 +0100 [thread overview]
Message-ID: <43E9A260.6000202@l4x.org> (raw)
In-Reply-To: <20060207162335.5304ae61.akpm@osdl.org>
Andrew Morton wrote:
> Jan Dittmer <jdi@l4x.org> wrote:
>
>>Debian 2.6.15-1-686-smp
>>
>>$ umount /mnt/data
>>Segmentation Fault
>>
>>dmesg:
>>
>>VFS: Busy inodes after unmount. Self-destruct in 5 seconds. Have a nice day...
>>Unable to handle kernel NULL pointer dereference at virtual address 00000034
>
>
> That was clever.
>
>
>> printing eip:
>>f88c7e07
>>*pde = 00000000
>>Oops: 0000 [#1]
>>SMP
>>Modules linked in: xfs rfcomm l2cap bluetooth nfsd exportfs lockd nfs_acl sunrpc ipv6 deflate zlib_deflate twofish serpent aes blowfish des sha256
>>sha1 crypto_n ull af_key raid5 xor dm_mod tun vfat fat loop lp usbmouse eeprom i2c_dev i2c_isa i2c_core usbkbd usb_storage ehci_hcd button processor
>>ac ide_cd cdrom e100 mii 3w_xxxx e1000 joydev piix serio_raw uhci_hcd generic parport_pc ide_core usbcore parport pcspkr psmouse rtc ext3 jbd mbcache
>>raid1 md_mod sd_mod aic79xx scsi_tr ansport_spi scsi_mod shpchp pci_hotplug evdev mousedev
>>CPU: 2
>>EIP: 0060:[<f88c7e07>] Not tainted VLI
>>EFLAGS: 00210282 (2.6.15-1-686-smp)
>>EIP is at ext3_show_options+0x13/0xd5 [ext3]
>>eax: 00000000 ebx: f7f1fe00 ecx: da82c540 edx: 00000000
>>esi: da82c540 edi: da82c540 ebp: 00000400 esp: f7bcbf18
>>ds: 007b es: 007b ss: 0068
>>Process mv (pid: 4409, threadinfo=f7bca000 task=e9978a70)
>>Stack: 00000000 dfd74c00 c01646cf da82c540 dfd74c00 da82c540 dfd74c00 00000143
>> c0167ffd da82c540 dfd74c00 00000000 da82c560 0000000a 00000000 00000009
>> 00000000 00000400 e64cea80 40019000 00000000 c014ca9d e64cea80 40019000
>>Call Trace:
>> [<c01646cf>] show_vfsmnt+0xcf/0xe6
>> [<c0167ffd>] seq_read+0x199/0x26a
>> [<c014ca9d>] vfs_read+0xa1/0x138
>
>
> Have you any idea what `mv' was doing in ext3_show_options? I can only
> think that something was doing `mv /proc/mounts somewhere-else', which is
> odd.
No, but it is indeed called:
execve("/bin/mv", ["mv", "t", "t2"], [/* 25 vars */]) = 0
uname({sys="Linux", node="ds666", ...}) = 0
brk(0) = 0x8058000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f5d000
open("/etc/ld.so.cache", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=127118, ...}) = 0
old_mmap(NULL, 127118, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f3d000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/libacl.so.1", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\220\23"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=27816, ...}) = 0
old_mmap(NULL, 30788, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7f35000
old_mmap(0xb7f3c000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0xb7f3c000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/libselinux.so.1", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\2201\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=75508, ...}) = 0
old_mmap(NULL, 76816, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7f22000
old_mmap(0xb7f34000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x12000) = 0xb7f34000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/tls/i686/cmov/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\260O\1"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1262704, ...}) = 0
old_mmap(NULL, 1272764, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7deb000
old_mmap(0xb7f18000, 32768, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x12c000) = 0xb7f18000
old_mmap(0xb7f20000, 7100, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7f20000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/libattr.so.1", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0 \v\0\000"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=10608, ...}) = 0
old_mmap(NULL, 13564, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7de7000
old_mmap(0xb7dea000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0xb7dea000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/tls/i686/cmov/libdl.so.2", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20\f\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=9592, ...}) = 0
old_mmap(NULL, 12404, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7de3000
old_mmap(0xb7de5000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0xb7de5000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/libsepol.so.1", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\240\"\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=194624, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7de2000
old_mmap(NULL, 235876, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7da8000
old_mmap(0xb7dd7000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2f000) = 0xb7dd7000
old_mmap(0xb7dd8000, 39268, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7dd8000
close(3) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7da7000
mprotect(0xb7f18000, 20480, PROT_READ) = 0
set_thread_area({entry_number:-1 -> 6, base_addr:0xb7da76c0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1,
seg_not_present:0, useable:1}) = 0
munmap(0xb7f3d000, 127118) = 0
access("/etc/selinux/", F_OK) = -1 ENOENT (No such file or directory)
brk(0) = 0x8058000
brk(0x8079000) = 0x8079000
open("/proc/mounts", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f5c000
read(3, "rootfs / rootfs rw 0 0\n/dev/md7 "..., 1024) = 510
read(3, "", 1024) = 0
close(3) = 0
munmap(0xb7f5c000, 4096) = 0
open("/etc/ld.so.cache", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=127118, ...}) = 0
old_mmap(NULL, 127118, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f3d000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/tls/i686/sse2/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls/i686/sse2/cmov", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/lib/tls/i686/sse2/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls/i686/sse2", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/lib/tls/i686/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls/i686/cmov", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
open("/lib/tls/i686/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls/i686", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
open("/lib/tls/sse2/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls/sse2/cmov", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/lib/tls/sse2/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls/sse2", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/lib/tls/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls/cmov", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/lib/tls/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/tls", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
open("/lib/i686/sse2/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/i686/sse2/cmov", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/lib/i686/sse2/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/i686/sse2", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/lib/i686/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/i686/cmov", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/lib/i686/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/i686", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/lib/sse2/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/sse2/cmov", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/lib/sse2/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/sse2", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/lib/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib/cmov", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/lib/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/lib", {st_mode=S_IFDIR|0755, st_size=12288, ...}) = 0
open("/usr/lib/tls/i686/sse2/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/tls/i686/sse2/cmov", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/usr/lib/tls/i686/sse2/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/tls/i686/sse2", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/usr/lib/tls/i686/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/tls/i686/cmov", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/usr/lib/tls/i686/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/tls/i686", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/usr/lib/tls/sse2/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/tls/sse2/cmov", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/usr/lib/tls/sse2/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/tls/sse2", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/usr/lib/tls/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/tls/cmov", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/usr/lib/tls/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/tls", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
open("/usr/lib/i686/sse2/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/i686/sse2/cmov", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/usr/lib/i686/sse2/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/i686/sse2", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/usr/lib/i686/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/i686/cmov", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
open("/usr/lib/i686/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/i686", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
open("/usr/lib/sse2/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/sse2/cmov", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/usr/lib/sse2/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/sse2", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/usr/lib/cmov/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/cmov", 0xbfd7302c) = -1 ENOENT (No such file or directory)
open("/usr/lib/libsetrans.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)
stat64("/usr/lib", {st_mode=S_IFDIR|0755, st_size=163840, ...}) = 0
munmap(0xb7f3d000, 127118) = 0
geteuid32() = 0
ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
open("/proc/filesystems", O_RDONLY|O_LARGEFILE) = 3
read(3, "nodev\tsysfs\nnodev\trootfs\nnodev\tb"..., 4095) = 253
close(3) = 0
stat64("t2", 0xbfd73608) = -1 ENOENT (No such file or directory)
lstat64("t", {st_mode=S_IFREG|0644, st_size=44371, ...}) = 0
lstat64("t2", 0xbfd733e4) = -1 ENOENT (No such file or directory)
rename("t", "t2") = 0
close(1) = 0
exit_group(0) = ?
Jan
next prev parent reply other threads:[~2006-02-08 7:48 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-07 20:39 VFS: Busy inodes after unmount. Self-destruct in 5 seconds. Have a nice day Jan Dittmer
2006-02-08 0:23 ` Andrew Morton
2006-02-08 7:48 ` Jan Dittmer [this message]
2006-02-08 18:06 ` Balbir Singh
2006-02-08 22:42 ` Jan Dittmer
2006-02-09 4:02 ` Balbir Singh
-- strict thread matches above, loose matches on Subject: below --
2006-12-28 9:27 Jesper Juhl
2006-12-28 9:43 ` Jan Engelhardt
2006-12-28 9:43 ` Jan Engelhardt
2006-12-28 10:32 ` Ian Kent
2006-12-28 10:32 ` Ian Kent
2001-07-29 19:13 David Ford
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=43E9A260.6000202@l4x.org \
--to=jdi@l4x.org \
--cc=akpm@osdl.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.