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[linux-lvm] OOPS: Kernel Oops using LVM2



Hi All

I am just playing around with LVM2 before I upgrade my live system to 2.6.x. I am using a VMWare virtual machine running gentoo with the latest gentoo kernel tree, and device_mapper 1.00.08 and LVM2 2.00.08. I pvcreate a whole disk (4GB) then create a VG and lvcreate an lv filling the whole disk.

When I try to format the new LV the kernel oopses once, then again a short time afterwards.

Below are the two Oopses ksymoops'd. Could someone please have a look at this for me - anything else you need to know?

Thanks
James

Oops: 0002
CPU: 0
EIP: 0010:[<c02b41e6>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00000202
eax: 00000001 ebx: c0177164 ecx: 0000fe00 edx: c27f8000
esi: 00000001 edi: c22ddd80 ebp: 00000001 esp: c4da5e2c
ds: 0018 es: 0018 ss: 0018
Process mke2fs (pid: 1347, stackpage=c4da5000)
Stack: c02b3711 00000001 c22ddd80 003ff000 c02b3a92 0000fe00 00000000 00000002
00000310 cfe04280 c22ddd80 003ff000 00000002 00000001 c02566ba c0166f00
00000001 c22ddd80 c87ac580 c87ac600 00000192 c22ddd80 00000002 00000001
Call Trace: [<c02b3711>] [<c02b3a92>] [<c02566ba>] [<c0256771>] [<c01cc33b>]
[<c01cc4bf>] [<c01cc4f8>] [<c01cc644>] [<c01d1e9c>] [<c01cca9a>] [<c0199cdf>]
Code: ff 40 0c c3 83 ec 08 89 5c 24 04 8b 5c 24 0c ff 4b 0c 0f 94



>>EIP; c02b41e6 <dm_get+4/8> <=====


>>ebx; c0177164 <_dev_lock+0/1c>
>>edx; c27f8000 <_end+24951e8/104e2248>
>>edi; c22ddd80 <_end+1f7af68/104e2248>
>>esp; c4da5e2c <_end+4a43014/104e2248>

Trace; c02b3711 <get_kdev+41/5f>
Trace; c02b3a92 <dm_request+1b/1c1>
Trace; c02566ba <generic_make_request+e0/130>
Trace; c0256771 <submit_bh+67/b6>
Trace; c01cc33b <write_locked_buffers+29/34>
Trace; c01cc4bf <write_some_buffers+179/195>
Trace; c01cc4f8 <write_unlocked_buffers+1d/27>
Trace; c01cc644 <sync_buffers+15/71>
Trace; c01d1e9c <__block_fsync+33/61>
Trace; c01cca9a <sys_fsync+94/c6>
Trace; c0199cdf <ret+0/5>

Code;  c02b41e6 <dm_get+4/8>
00000000 <_EIP>:
Code;  c02b41e6 <dm_get+4/8>   <=====
   0:   ff 40 0c                  incl   0xc(%eax)   <=====
Code;  c02b41e9 <dm_get+7/8>
   3:   c3                        ret
Code;  c02b41ea <dm_put+0/46>
   4:   83 ec 08                  sub    $0x8,%esp
Code;  c02b41ed <dm_put+3/46>
   7:   89 5c 24 04               mov    %ebx,0x4(%esp,1)
Code;  c02b41f1 <dm_put+7/46>
   b:   8b 5c 24 0c               mov    0xc(%esp,1),%ebx
Code;  c02b41f5 <dm_put+b/46>
   f:   ff 4b 0c                  decl   0xc(%ebx)
Code;  c02b41f8 <dm_put+e/46>
  12:   0f 94 00                  sete   (%eax)

Second Ooops:

Oops: 0002
CPU: 0
EIP: 0010:[<c02b41e6>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00000202
eax: 00000001 ebx: c0177164 ecx: 0000fe00 edx: c27f8000
esi: 00000001 edi: c22d5100 ebp: 00000001 esp: cfed5e8c
ds: 0018 es: 0018 ss: 0018
Process kupdated (pid: 6, stackpage=cfed5000)
Stack: c02b3711 00000001 c22d5100 003ff000 c02b3a92 0000fe00 00000001 cfed5f1c
cfed5eac cfed5eac c22d5100 003ff000 00000002 00000001 c02566ba c0166f00
00000001 c22d5100 00000000 00000001 00000198 c22d5100 00000002 00000001
Call Trace: [<c02b3711>] [<c02b3a92>] [<c02566ba>] [<c0256771>] [<c01cc33b>]
[<c01cc4bf>] [<c01cfc15>] [<c01cff8f>] [<c01983f7>] [<c01cfe89>]
Code: ff 40 0c c3 83 ec 08 89 5c 24 04 8b 5c 24 0c ff 4b 0c 0f 94



>>EIP; c02b41e6 <dm_get+4/8> <=====


>>ebx; c0177164 <_dev_lock+0/1c>
>>edx; c27f8000 <_end+24951e8/104e2248>
>>edi; c22d5100 <_end+1f722e8/104e2248>
>>esp; cfed5e8c <_end+fb73074/104e2248>

Trace; c02b3711 <get_kdev+41/5f>
Trace; c02b3a92 <dm_request+1b/1c1>
Trace; c02566ba <generic_make_request+e0/130>
Trace; c0256771 <submit_bh+67/b6>
Trace; c01cc33b <write_locked_buffers+29/34>
Trace; c01cc4bf <write_some_buffers+179/195>
Trace; c01cfc15 <sync_old_buffers+72/c2>
Trace; c01cff8f <kupdate+106/148>
Trace; c01983f7 <arch_kernel_thread+2b/3d>
Trace; c01cfe89 <kupdate+0/148>

Code;  c02b41e6 <dm_get+4/8>
00000000 <_EIP>:
Code;  c02b41e6 <dm_get+4/8>   <=====
   0:   ff 40 0c                  incl   0xc(%eax)   <=====
Code;  c02b41e9 <dm_get+7/8>
   3:   c3                        ret
Code;  c02b41ea <dm_put+0/46>
   4:   83 ec 08                  sub    $0x8,%esp
Code;  c02b41ed <dm_put+3/46>
   7:   89 5c 24 04               mov    %ebx,0x4(%esp,1)
Code;  c02b41f1 <dm_put+7/46>
   b:   8b 5c 24 0c               mov    0xc(%esp,1),%ebx
Code;  c02b41f5 <dm_put+b/46>
   f:   ff 4b 0c                  decl   0xc(%ebx)
Code;  c02b41f8 <dm_put+e/46>
  12:   0f 94 00                  sete   (%eax)



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