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[Qemu-devel] Re: virtio-blk XFS corruption
|
From: |
Peter Lieven |
|
Subject: |
[Qemu-devel] Re: virtio-blk XFS corruption |
|
Date: |
Sat, 25 Sep 2010 20:11:52 +0200 |
Am 25.09.2010 um 17:58 schrieb Christoph Hellwig:
> On Sat, Sep 25, 2010 at 05:40:34PM +0200, Peter Lieven wrote:
>>
>> Am 25.09.2010 um 17:37 schrieb Christoph Hellwig:
>>
>>> FYI, qemu 0.12.2 is missing:
>>
>> you mean 0.12.4 not 0.12.2, don't you?
>
> Yes, sorry. (but 0.12.2 is of course missing it, too..)
>
>>> which in the past was very good at triggering XFS guest corruption.
>>> Please try with the patch applied or even better latests qemu from git.
>>>
>>
>> i'm just trying with 0.12.5.
>>
>> i'm not so familiar with git. is there a command to pull only patches
>> that are marked as stable and will be in the next official release?
>
> All the qemu stable releases are tagged and you can check do
>
> git-checkout v0.12.5
>
> but that's not the main git HEAD which would also be interesting.
>
with v0.12.5 no xfs error, but the machine hangs after a few minutes...
(gdb) thread apply all backtrace full
Thread 5 (Thread 0x7f15131c7950 (LWP 3579)):
#0 0x00007f15136c1cd7 in ioctl () from /lib/libc.so.6
No symbol table info available.
#1 0x000000000042b9f1 in kvm_run (env=0x1d4cef0) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:921
r = 0
kvm = (kvm_context_t) 0x1d2b7b0
run = (struct kvm_run *) 0x7f1514c6f000
fd = 16
#2 0x000000000042cf4e in kvm_cpu_exec (env=0x1d4cef0) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:1651
r = 0
#3 0x000000000042d6d8 in kvm_main_loop_cpu (env=0x1d4cef0) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:1893
run_cpu = 1
#4 0x000000000042d819 in ap_main_loop (_env=0x1d4cef0) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:1943
env = (struct CPUX86State *) 0x1d4cef0
signals = {__val = {18446744067267100671, 18446744073709551615 <repeats
15 times>}}
data = (struct ioperm_data *) 0x0
#5 0x00007f15146473ba in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#6 0x00007f15136c9fcd in clone () from /lib/libc.so.6
No symbol table info available.
#7 0x0000000000000000 in ?? ()
No symbol table info available.
Thread 4 (Thread 0x7f15129c6950 (LWP 3580)):
#0 0x00007f15136c1cd7 in ioctl () from /lib/libc.so.6
No symbol table info available.
#1 0x000000000042b9f1 in kvm_run (env=0x1d67010) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:921
r = 0
kvm = (kvm_context_t) 0x1d2b7b0
run = (struct kvm_run *) 0x7f1514c6c000
fd = 17
#2 0x000000000042cf4e in kvm_cpu_exec (env=0x1d67010) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:1651
r = 0
#3 0x000000000042d6d8 in kvm_main_loop_cpu (env=0x1d67010) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:1893
run_cpu = 1
#4 0x000000000042d819 in ap_main_loop (_env=0x1d67010) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:1943
env = (struct CPUX86State *) 0x1d67010
signals = {__val = {18446744067267100671, 18446744073709551615 <repeats
15 times>}}
data = (struct ioperm_data *) 0x0
#5 0x00007f15146473ba in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#6 0x00007f15136c9fcd in clone () from /lib/libc.so.6
No symbol table info available.
#7 0x0000000000000000 in ?? ()
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
Thread 3 (Thread 0x7f15121c5950 (LWP 3581)):
#0 0x00007f151464da94 in __lll_lock_wait () from /lib/libpthread.so.0
No symbol table info available.
#1 0x00007f1514649190 in _L_lock_102 () from /lib/libpthread.so.0
No symbol table info available.
#2 0x00007f1514648a7e in pthread_mutex_lock () from /lib/libpthread.so.0
No symbol table info available.
#3 0x000000000042b7dc in post_kvm_run (kvm=0x1d2b7b0, env=0x1d74d90) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:858
No locals.
#4 0x000000000042ba68 in kvm_run (env=0x1d74d90) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:930
r = -1
kvm = (kvm_context_t) 0x1d2b7b0
run = (struct kvm_run *) 0x7f1514c69000
fd = 18
#5 0x000000000042cf4e in kvm_cpu_exec (env=0x1d74d90) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:1651
r = 0
#6 0x000000000042d6d8 in kvm_main_loop_cpu (env=0x1d74d90) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:1893
run_cpu = 1
#7 0x000000000042d819 in ap_main_loop (_env=0x1d74d90) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:1943
env = (struct CPUX86State *) 0x1d74d90
signals = {__val = {18446744067267100671, 18446744073709551615 <repeats
15 times>}}
data = (struct ioperm_data *) 0x0
#8 0x00007f15146473ba in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#9 0x00007f15136c9fcd in clone () from /lib/libc.so.6
No symbol table info available.
#10 0x0000000000000000 in ?? ()
No symbol table info available.
Thread 2 (Thread 0x7f15119c4950 (LWP 3582)):
#0 0x00007f151464da94 in __lll_lock_wait () from /lib/libpthread.so.0
No symbol table info available.
#1 0x00007f1514649190 in _L_lock_102 () from /lib/libpthread.so.0
No symbol table info available.
#2 0x00007f1514648a7e in pthread_mutex_lock () from /lib/libpthread.so.0
No symbol table info available.
#3 0x000000000042b7dc in post_kvm_run (kvm=0x1d2b7b0, env=0x1d82b10) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:858
No locals.
#4 0x000000000042ba68 in kvm_run (env=0x1d82b10) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:930
r = -1
kvm = (kvm_context_t) 0x1d2b7b0
run = (struct kvm_run *) 0x7f1514c66000
fd = 19
#5 0x000000000042cf4e in kvm_cpu_exec (env=0x1d82b10) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:1651
r = 0
#6 0x000000000042d6d8 in kvm_main_loop_cpu (env=0x1d82b10) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:1893
run_cpu = 1
---Type <return> to continue, or q <return> to quit---
#7 0x000000000042d819 in ap_main_loop (_env=0x1d82b10) at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:1943
env = (struct CPUX86State *) 0x1d82b10
signals = {__val = {18446744067267100671, 18446744073709551615 <repeats
15 times>}}
data = (struct ioperm_data *) 0x0
#8 0x00007f15146473ba in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#9 0x00007f15136c9fcd in clone () from /lib/libc.so.6
No symbol table info available.
#10 0x0000000000000000 in ?? ()
No symbol table info available.
Thread 1 (Thread 0x7f1514c766f0 (LWP 3576)):
#0 0x00007f15136c2742 in select () from /lib/libc.so.6
No symbol table info available.
#1 0x000000000040c25a in main_loop_wait (timeout=1000) at
/usr/src/qemu-kvm-0.12.5/vl.c:3994
ioh = (IOHandlerRecord *) 0x0
rfds = {fds_bits = {83886728, 0 <repeats 15 times>}}
wfds = {fds_bits = {0 <repeats 16 times>}}
xfds = {fds_bits = {0 <repeats 16 times>}}
ret = 3
nfds = 26
tv = {tv_sec = 0, tv_usec = 999994}
#2 0x000000000042dd9d in kvm_main_loop () at
/usr/src/qemu-kvm-0.12.5/qemu-kvm.c:2126
fds = {24, 25}
mask = {__val = {268443712, 0 <repeats 15 times>}}
sigfd = 26
#3 0x000000000040c98c in main_loop () at /usr/src/qemu-kvm-0.12.5/vl.c:4212
r = 0
#4 0x000000000041055a in main (argc=39, argv=0x7fffe23b2838,
envp=0x7fffe23b2978) at /usr/src/qemu-kvm-0.12.5/vl.c:6256
gdbstub_dev = 0x0
boot_devices_bitmap = 12
i = 0
snapshot = 0
linux_boot = 0
initrd_filename = 0x0
kernel_filename = 0x0
kernel_cmdline = 0x58958c ""
boot_devices = "dc", '\0' <repeats 30 times>
ds = (DisplayState *) 0x1d9ff00
dcl = (DisplayChangeListener *) 0x0
cyls = 0
heads = 0
secs = 0
translation = 0
hda_opts = (QemuOpts *) 0x0
opts = (QemuOpts *) 0x1d2adc0
optind = 39
---Type <return> to continue, or q <return> to quit---
r = 0x7fffe23b4bf7 "-no-kvm-clock"
optarg = 0x0
loadvm = 0x0
machine = (QEMUMachine *) 0x862720
cpu_model = 0x7fffe23b4b80 "qemu64,model_id=Intel(R) Xeon(R) CPU", ' '
<repeats 11 times>, "E5430 @ 2.66GHz,-tsc,-nx"
fds = {-499439560, 32767}
tb_size = 0
pid_file = 0x7fffe23b4b3f "/var/run/qemu/vm-244.pid"
incoming = 0x0
fd = 0
pwd = (struct passwd *) 0x0
chroot_dir = 0x0
run_as = 0x0
env = (struct CPUX86State *) 0x0
show_vnc_port = 0
params = {0x58d2a6 "order", 0x58d2ac "once", 0x58d2b1 "menu", 0x0}