* [uml-devel] Kernel panic: I/O op mismatch @ 2003-09-06 1:52 David Coulson 2003-09-09 0:38 ` Adam Heath 0 siblings, 1 reply; 16+ messages in thread From: David Coulson @ 2003-09-06 1:52 UTC (permalink / raw) To: user-mode-linux-devel I'm having a few issues with my current UML kernels - /dev/ubd/2: recovering journal Kernel panic: I/O op mismatch In interrupt handler - not syncing Anyone seen this before? David -- David Coulson email: d@vidcoulson.com Linux Developer / web: http://davidcoulson.net/ Network Engineer phone: (216) 533-6967 ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
* Re: [uml-devel] Kernel panic: I/O op mismatch 2003-09-06 1:52 [uml-devel] Kernel panic: I/O op mismatch David Coulson @ 2003-09-09 0:38 ` Adam Heath 2003-09-09 0:48 ` David Coulson 2003-09-09 13:10 ` Jeff Dike 0 siblings, 2 replies; 16+ messages in thread From: Adam Heath @ 2003-09-09 0:38 UTC (permalink / raw) To: David Coulson; +Cc: user-mode-linux-devel On Fri, 5 Sep 2003, David Coulson wrote: > I'm having a few issues with my current UML kernels - > > /dev/ubd/2: recovering journal > Kernel panic: I/O op mismatch > In interrupt handler - not syncing Yes. Started seeing that today. Here is what I have tracked down. Host 2.4.21-1um. UML 2.4.21-1um. Host 2.4.22, UML 2.4.22 Host 2.4.22, UML 2.4.21-1um All these combinations had this problem. However, Host 2.4.21-1um, UML 2.4.20-6um and host 2.4.22, UML 2.4.20-6um ran fine. I am not using a COW file. ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
* Re: [uml-devel] Kernel panic: I/O op mismatch 2003-09-09 0:38 ` Adam Heath @ 2003-09-09 0:48 ` David Coulson 2003-09-09 13:10 ` Jeff Dike 1 sibling, 0 replies; 16+ messages in thread From: David Coulson @ 2003-09-09 0:48 UTC (permalink / raw) To: Adam Heath; +Cc: user-mode-linux-devel Adam Heath wrote: > All these combinations had this problem. However, Host 2.4.21-1um, UML > 2.4.20-6um and host 2.4.22, UML 2.4.20-6um ran fine. I'd bet the mmap stuff broke it - I was going to try to back out the v3 COW stuff and mmap, but I figured that was basically -6um anyway ;-) David -- David Coulson email: d@vidcoulson.com Linux Developer / web: http://davidcoulson.net/ Network Engineer phone: (216) 533-6967 ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
* Re: [uml-devel] Kernel panic: I/O op mismatch 2003-09-09 0:38 ` Adam Heath 2003-09-09 0:48 ` David Coulson @ 2003-09-09 13:10 ` Jeff Dike 2003-09-09 13:16 ` David Coulson 2003-09-09 16:41 ` Matt Zimmerman 1 sibling, 2 replies; 16+ messages in thread From: Jeff Dike @ 2003-09-09 13:10 UTC (permalink / raw) To: Adam Heath; +Cc: David Coulson, user-mode-linux-devel adam@doogie.org said: > All these combinations had this problem. However, Host 2.4.21-1um, > UML 2.4.20-6um and host 2.4.22, UML 2.4.20-6um ran fine. I've been playing with this quite a bit and I can't make it misbehave. So, I need some clues as to what you're doing that I'm not. Jeff ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
* Re: [uml-devel] Kernel panic: I/O op mismatch 2003-09-09 13:10 ` Jeff Dike @ 2003-09-09 13:16 ` David Coulson 2003-09-09 15:52 ` Jeff Dike 2003-09-09 16:41 ` Matt Zimmerman 1 sibling, 1 reply; 16+ messages in thread From: David Coulson @ 2003-09-09 13:16 UTC (permalink / raw) To: Jeff Dike; +Cc: Adam Heath, user-mode-linux-devel Jeff Dike wrote: > I've been playing with this quite a bit and I can't make it misbehave. So, > I need some clues as to what you're doing that I'm not. ./linux :-) I can give you a shell on a box that does it reliably. David ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
* Re: [uml-devel] Kernel panic: I/O op mismatch 2003-09-09 13:16 ` David Coulson @ 2003-09-09 15:52 ` Jeff Dike 0 siblings, 0 replies; 16+ messages in thread From: Jeff Dike @ 2003-09-09 15:52 UTC (permalink / raw) To: David Coulson; +Cc: Adam Heath, user-mode-linux-devel david@davidcoulson.net said: > I can give you a shell on a box that does it reliably. OK, send me the details... Jeff ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
* Re: [uml-devel] Kernel panic: I/O op mismatch 2003-09-09 13:10 ` Jeff Dike 2003-09-09 13:16 ` David Coulson @ 2003-09-09 16:41 ` Matt Zimmerman 2003-09-09 16:53 ` David Coulson 2003-09-09 20:32 ` Adam Heath 1 sibling, 2 replies; 16+ messages in thread From: Matt Zimmerman @ 2003-09-09 16:41 UTC (permalink / raw) To: user-mode-linux-devel On Tue, Sep 09, 2003 at 09:10:55AM -0400, Jeff Dike wrote: > adam@doogie.org said: > > All these combinations had this problem. However, Host 2.4.21-1um, > > UML 2.4.20-6um and host 2.4.22, UML 2.4.20-6um ran fine. > > I've been playing with this quite a bit and I can't make it misbehave. So, > I need some clues as to what you're doing that I'm not. Likewise. Adam can actually reproduce this with the exact same UML binary that I'm using (the one from my user-mode-linux .deb), but I can't reproduce it at all. We're also both using Debian unstable (I think), so most other factors should be the same as well. My host kernel is Debian's 2.4.21 with skas3 and device-mapper. -- - mdz ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
* Re: [uml-devel] Kernel panic: I/O op mismatch 2003-09-09 16:41 ` Matt Zimmerman @ 2003-09-09 16:53 ` David Coulson 2003-09-09 17:08 ` Matt Zimmerman 2003-09-09 20:32 ` Adam Heath 1 sibling, 1 reply; 16+ messages in thread From: David Coulson @ 2003-09-09 16:53 UTC (permalink / raw) To: Matt Zimmerman; +Cc: user-mode-linux-devel Matt Zimmerman wrote: > Likewise. Adam can actually reproduce this with the exact same UML binary > that I'm using (the one from my user-mode-linux .deb), but I can't reproduce > it at all. We're also both using Debian unstable (I think), so most other > factors should be the same as well. My host kernel is Debian's 2.4.21 with > skas3 and device-mapper. I'm 99% sure it's filesystem, rather than kernel, dependent. I gave Jeff a shell on one of my boxes, so we'll see what that turns up ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
* Re: [uml-devel] Kernel panic: I/O op mismatch 2003-09-09 16:53 ` David Coulson @ 2003-09-09 17:08 ` Matt Zimmerman 2003-09-09 20:05 ` David Coulson 0 siblings, 1 reply; 16+ messages in thread From: Matt Zimmerman @ 2003-09-09 17:08 UTC (permalink / raw) To: user-mode-linux-devel On Tue, Sep 09, 2003 at 12:53:18PM -0400, David Coulson wrote: > Matt Zimmerman wrote: > >Likewise. Adam can actually reproduce this with the exact same UML binary > >that I'm using (the one from my user-mode-linux .deb), but I can't > >reproduce > >it at all. We're also both using Debian unstable (I think), so most other > >factors should be the same as well. My host kernel is Debian's 2.4.21 with > >skas3 and device-mapper. > > I'm 99% sure it's filesystem, rather than kernel, dependent. I gave Jeff > a shell on one of my boxes, so we'll see what that turns up Host filesystem or UML filesystem? Adam and I were both using ext2 inside UML when we spoke, and I'm using ext3 on the host side. -- - mdz ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
* Re: [uml-devel] Kernel panic: I/O op mismatch 2003-09-09 17:08 ` Matt Zimmerman @ 2003-09-09 20:05 ` David Coulson 2003-09-11 12:28 ` Oleg Drokin 0 siblings, 1 reply; 16+ messages in thread From: David Coulson @ 2003-09-09 20:05 UTC (permalink / raw) To: Matt Zimmerman; +Cc: user-mode-linux-devel Matt Zimmerman wrote: > Host filesystem or UML filesystem? Adam and I were both using ext2 inside > UML when we spoke, and I'm using ext3 on the host side. Sorry, filesystem was the wrong word to use - 'image file' is more accurate. David ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
* Re: [uml-devel] Kernel panic: I/O op mismatch 2003-09-09 20:05 ` David Coulson @ 2003-09-11 12:28 ` Oleg Drokin 2003-09-11 14:13 ` Oleg Drokin 0 siblings, 1 reply; 16+ messages in thread From: Oleg Drokin @ 2003-09-11 12:28 UTC (permalink / raw) To: user-mode-linux-devel Hello! David Coulson <david@davidcoulson.net> wrote: >> Host filesystem or UML filesystem? Adam and I were both using ext2 inside >> UML when we spoke, and I'm using ext3 on the host side. DC> Sorry, filesystem was the wrong word to use - 'image file' is more accurate. That's how I reproduce it: on host (underlying fs is reiserfs): dd if=/dev/zero of=scratch bs=1024k seek=4096 count=1 ./linux mem=100M ubd0=/space/green/rootfs debug xterm=rxvt ubd1=/space/green/scratch in uml: # mkreiserfs /dev/ubd1 <-------------mkreiserfs, 2001-------------> reiserfsprogs 3.x.0k-pre9 mkreiserfs: Guessing about desired format.. mkreiserfs: Kernel 2.4.23-pre3-2um is running. 3276k will be used Block 16 (0x6210) contains super block of format 3.5 with standard journal Block count: 1048832 Bitmap number: 33 Blocksize: 4096 Free blocks: 1040588 Root block: 8211 Tree height: 2 Hash function used to sort names: "r5" Objectid map size 2, max 1004 Journal parameters: Device [0x0] Magic [0x5db630ce] Size 8193 (including journal header) (first block 18) Max transaction length 1024 Max batch size 900 Max commit age 30 Space reserved by journal: 0 Correctness checked after mount 1 Fsck field 0x0 ATTENTION: YOU SHOULD REBOOT AFTER FDISK! ALL DATA WILL BE LOST ON './aaa'! Continue (y/n):y Initializing journal - 0%....20%....40%....60%....80%....100% In gdb at this point: Breakpoint 1, panic (fmt=0xa0180615 "I/O op mismatch") at panic.c:60 60 bust_spinlocks(1); (gdb) bt #0 panic (fmt=0xa0180615 "I/O op mismatch") at panic.c:60 #1 0xa00c92a4 in ubd_handler () at ubd_kern.c:471 #2 0xa0083510 in handle_IRQ_event (irq=4, regs=0xa01a4274, action=0xa0ab31f4) at irq.c:160 #3 0xa00836d5 in do_IRQ (irq=4, regs=0xa01a4274) at irq.c:323 #4 0xa0083f7f in sigio_handler (sig=29, regs=0xa01a4274) at irq_user.c:73 #5 0xa0090cc2 in sig_handler_common_tt (sig=29, sc_ptr=0xe8) at trap_user.c:37 #6 0xa008d7ab in sig_handler (sig=1, sc= {gs = 0, __gsh = 0, fs = 0, __fsh = 0, es = 123, __esh = 0, ds = 123, __dsh = 0, edi = 2686091136, esi = 2686074880, ebp = 2686091104, esp = 2686091076, ebx = 2686091096, edx = 2686074880, ecx = 0, eax = 4294967292, trapno = 1, err = 0, eip = 2685643674, cs = 115, __csh = 0, eflags = 582, esp_at_signal = 2686091076, ss = 123, __ssh = 0, fpstate = 0xa01a7cc8, oldmask = 134283264, cr2 = 0}) at trap_user.c:104 #7 <signal handler called> #8 0xa013ab9a in nanosleep () at pgtable.h:257 #9 0xa008c5f6 in idle_sleep (secs=-4) at time.c:115 #10 0xa0085ef6 in cpu_idle () at process_kern.c:206 #11 0xa000b4ae in rest_init () at init/main.c:346 (btw, did you know that to compile 2.4.22-2um with ptrace support one needs to add "#include <errno.h>" at arch/um/kernel/tt/ptproxy/sysdep.c otherwise it won't compile). Host is SMP. Hm, interesting if this one of the races I observed long time ago. Bye, Oleg ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
* Re: [uml-devel] Kernel panic: I/O op mismatch 2003-09-11 12:28 ` Oleg Drokin @ 2003-09-11 14:13 ` Oleg Drokin 0 siblings, 0 replies; 16+ messages in thread From: Oleg Drokin @ 2003-09-11 14:13 UTC (permalink / raw) To: jdike, user-mode-linux-devel Hello! Oleg Drokin <green@linuxhacker.ru> wrote: OD> Hello! OD> David Coulson <david@davidcoulson.net> wrote: >>> Host filesystem or UML filesystem? Adam and I were both using ext2 inside >>> UML when we spoke, and I'm using ext3 on the host side. DC>> Sorry, filesystem was the wrong word to use - 'image file' is more accurate. OD> That's how I reproduce it: Ok, so the problem is a missed cast. And the patch is below. Bye, Oleg --- arch/um/drivers/ubd_kern.c.orig 2003-09-11 16:49:48.000000000 +0400 +++ arch/um/drivers/ubd_kern.c 2003-09-11 18:12:10.861689280 +0400 @@ -1002,7 +1002,7 @@ } req->sector += ubd_part[minor].start_sect; - offset = req->sector << 9; + offset = (__u64)req->sector << 9; len = req->current_nr_sectors << 9; io_req->fds[0] = (dev->cow.file != NULL) ? dev->cow.fd : dev->fd; ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
* Re: [uml-devel] Kernel panic: I/O op mismatch 2003-09-09 16:41 ` Matt Zimmerman 2003-09-09 16:53 ` David Coulson @ 2003-09-09 20:32 ` Adam Heath 1 sibling, 0 replies; 16+ messages in thread From: Adam Heath @ 2003-09-09 20:32 UTC (permalink / raw) To: Matt Zimmerman; +Cc: user-mode-linux-devel On Tue, 9 Sep 2003, Matt Zimmerman wrote: > On Tue, Sep 09, 2003 at 09:10:55AM -0400, Jeff Dike wrote: > > > adam@doogie.org said: > > > All these combinations had this problem. However, Host 2.4.21-1um, > > > UML 2.4.20-6um and host 2.4.22, UML 2.4.20-6um ran fine. > > > > I've been playing with this quite a bit and I can't make it misbehave. So, > > I need some clues as to what you're doing that I'm not. > > Likewise. Adam can actually reproduce this with the exact same UML binary > that I'm using (the one from my user-mode-linux .deb), but I can't reproduce > it at all. We're also both using Debian unstable (I think), so most other > factors should be the same as well. My host kernel is Debian's 2.4.21 with > skas3 and device-mapper. Well, not unstable. The machine I was running this on is a server, not my workstation(which tends to follow unstable, but isn't always uptodate). The machine that had the problems had a libc6 version of 2.3.2-5. Unfortunately, I installed an older uml binary(2.4.20-6um), so that we could continue to run our uml hosts on it. ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
* [uml-devel] Kernel panic: I/O op mismatch @ 2003-09-10 12:49 Vincent 2003-09-10 13:02 ` David Coulson 0 siblings, 1 reply; 16+ messages in thread From: Vincent @ 2003-09-10 12:49 UTC (permalink / raw) To: user-mode-linux-devel i was running 2.4.20-um6. i just compiled 2.4.22-1 and 2.4.22-2 but they both having the following errors. i am running on redhat 2.4.21-19 host with skas patch. VFS: Mounted root (ext2 filesystem) readonly. Kernel panic: I/O op mismatch In interrupt handler - not syncing i saw a few post regarding this kernel panic, any patch available? rgds, Vincent ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
* Re: [uml-devel] Kernel panic: I/O op mismatch 2003-09-10 12:49 Vincent @ 2003-09-10 13:02 ` David Coulson [not found] ` <58934.202.181.236.220.1063643369.squirrel@secure.yoric.net> 0 siblings, 1 reply; 16+ messages in thread From: David Coulson @ 2003-09-10 13:02 UTC (permalink / raw) To: vincent; +Cc: user-mode-linux-devel Vincent wrote: > i saw a few post regarding this kernel panic, any patch available? I'm still working with Jeff to debug the problem. David ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
[parent not found: <58934.202.181.236.220.1063643369.squirrel@secure.yoric.net>]
* Re: [uml-devel] Kernel panic: I/O op mismatch [not found] ` <58934.202.181.236.220.1063643369.squirrel@secure.yoric.net> @ 2003-09-15 17:14 ` David Coulson 0 siblings, 0 replies; 16+ messages in thread From: David Coulson @ 2003-09-15 17:14 UTC (permalink / raw) To: vincent; +Cc: user-mode-linux-devel Vincent wrote: > sorry for bothering, just wondering if you able to get rid of the devfs > compile error for 2.4.22-4? Hrm, seems to compile here just fine. > do you able to get 2.4.22-3 compile with highmem support? since i've been > having problem compiling with highmem support since 2.4.21 No, it seems broken. David -- David Coulson email: d@vidcoulson.com Linux Developer / web: http://davidcoulson.net/ Network Engineer phone: (216) 533-6967 ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel ^ permalink raw reply [flat|nested] 16+ messages in thread
end of thread, other threads:[~2003-09-15 17:15 UTC | newest]
Thread overview: 16+ messages (download: mbox.gz follow: Atom feed
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2003-09-06 1:52 [uml-devel] Kernel panic: I/O op mismatch David Coulson
2003-09-09 0:38 ` Adam Heath
2003-09-09 0:48 ` David Coulson
2003-09-09 13:10 ` Jeff Dike
2003-09-09 13:16 ` David Coulson
2003-09-09 15:52 ` Jeff Dike
2003-09-09 16:41 ` Matt Zimmerman
2003-09-09 16:53 ` David Coulson
2003-09-09 17:08 ` Matt Zimmerman
2003-09-09 20:05 ` David Coulson
2003-09-11 12:28 ` Oleg Drokin
2003-09-11 14:13 ` Oleg Drokin
2003-09-09 20:32 ` Adam Heath
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2003-09-10 12:49 Vincent
2003-09-10 13:02 ` David Coulson
[not found] ` <58934.202.181.236.220.1063643369.squirrel@secure.yoric.net>
2003-09-15 17:14 ` David Coulson
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