[Linux-cluster] GNBD 1.0.0-1 bug

djani22 at dynamicweb.hu djani22 at dynamicweb.hu
Tue Aug 23 21:33:28 UTC 2005 

Hello list,

I am not sure this is the right place, but I can't found better...

I have found one bug in gnbd 1.0.0-1!

There are the messages:

#1

 Unable to handle kernel paging request at virtual address a014d7a5
  printing eip:
 c0118cee
 *pde = f7bedd02
 Oops: 0000 [#1]
 SMP
 Modules linked in: netconsole gnbd
 CPU:    0
 EIP:    0060:[<c0118cee>]    Not tainted VLI
 EFLAGS: 00010296   (2.6.13-rc6)
 EIP is at kmap+0x1e/0x54
 eax: 00000246   ebx: a014d7a5   ecx: c11ef260   edx: cabbc400
 esi: 00008000   edi: 00000001   ebp: f6c7fe00   esp: f6c7fdf4
 ds: 007b   es: 007b   ss: 0068
 Process md3_raid1 (pid: 2769, threadinfo=f6c7e000 task=f7eef020)
 Stack: c0577800 00000006 f5f93cfc f6c7fe54 f895a9cc a014d7a5 00000001
cf793000
        00001000 00004000 d3fc3180 f73e9bf0 f895e718 cabbc400 007ea037
01000000
        d4175a4c f895e6f0 65000000 00f03d8d 00100000 d4175a4c f895e6f0
f895e700
 Call Trace:
  [<c0103ca2>] show_stack+0x9a/0xd0
  [<c0103e6d>] show_registers+0x175/0x209
  [<c010408c>] die+0xfa/0x17c
  [<c0117b68>] do_page_fault+0x269/0x7bd
  [<c01038d7>] error_code+0x4f/0x54
  [<f895a9cc>] __gnbd_send_req+0x196/0x28d [gnbd]
  [<f895af12>] do_gnbd_request+0xe5/0x198 [gnbd]
  [<c0383a0d>] __generic_unplug_device+0x28/0x2e
  [<c038150f>] __elv_add_request+0xaa/0xac
  [<c0384e5b>] __make_request+0x20d/0x512
  [<c0385490>] generic_make_request+0xb2/0x27a
  [<c04748a2>] raid1d+0xbf/0x2cb
  [<c04825c9>] md_thread+0x134/0x16f
  [<c01010d5>] kernel_thread_helper+0x5/0xb
 Code: 89 c1 81 e1 ff ff 0f 00 eb b0 90 90 90 55 89 e5 53 83 ec 08 8b 5d 08
c7 44 24 04 06 00 00 00 c7 04 24 00 78 57 c0 e8 72
 47 00 00 <8b> 03 c1 e8 1e 8b 14 85 14 db 73 c0 8b 82 0c 04 00 00 05 00 09
  <0>Fatal exception: panic in 5 seconds



#2
 ------------[ cut here ]------------
 kernel BUG at mm/highmem.c:183!
 invalid operand: 0000 [#1]
 SMP
 Modules linked in: netconsole gnbd
 CPU:    0
 EIP:    0060:[<c0151167>]    Not tainted VLI
 EFLAGS: 00010246   (2.6.13-rc6)
 EIP is at kunmap_high+0x1f/0x93
 eax: 00000000   ebx: c1c1a3a0   ecx: c0740e88   edx: 00000292
 esi: 00001000   edi: 00000000   ebp: f6e81df8   esp: f6e81df0
 ds: 007b   es: 007b   ss: 0068
 Process md2_raid1 (pid: 2813, threadinfo=f6e80000 task=f7eba020)
 Stack: c1c1a3a0 d3708c10 f6e81e00 c0118d66 f6e81e54 f895a9fd c1c1a3a0
00000001
        d0990000 00001000 00004000 ebddff84 f6cb5d8c f895e620 d452f900
007ea037
        01000000 f1c1d9ac f895e5f8 b9000000 00106937 00100000 f1c1d9ac
f895e5f8
 Call Trace:
  [<c0103ca2>] show_stack+0x9a/0xd0
  [<c0103e6d>] show_registers+0x175/0x209
  [<c010408c>] die+0xfa/0x17c
  [<c010418c>] do_trap+0x7e/0xb2
  [<c01044a8>] do_invalid_op+0xa9/0xb3
  [<c01038d7>] error_code+0x4f/0x54
  [<c0118d66>] kunmap+0x42/0x44
  [<f895a9fd>] __gnbd_send_req+0x1c7/0x28d [gnbd]
  [<f895af12>] do_gnbd_request+0xe5/0x198 [gnbd]
  [<c0383a0d>] __generic_unplug_device+0x28/0x2e
  [<c038150f>] __elv_add_request+0xaa/0xac
  [<c0384e5b>] __make_request+0x20d/0x512
  [<c0385490>] generic_make_request+0xb2/0x27a
  [<c04748a2>] raid1d+0xbf/0x2cb
  [<c04825c9>] md_thread+0x134/0x16f
  [<c01010d5>] kernel_thread_helper+0x5/0xb
 Code: e8 08 06 00 00 89 c7 e9 38 ff ff ff 55 89 e5 53 83 ec 04 89 c3 b8 80
6c 6c c0 e8 59 c3 40 00 89 1c 24 e8 e6 05 00 00 85
 c0 75 08 <0f> 0b b7 00 0a 78 57 c0 05 00 00 40 00 c1 e8 0c 8b 14 85 20 dc


#3

------------[ cut here ]------------
kernel BUG at mm/highmem.c:183!
invalid operand: 0000 [#1]
SMP
Modules linked in: netconsole gnbd
CPU:    0
EIP:    0060:[<c0151167>]    Not tainted VLI
EFLAGS: 00010246   (2.6.13-rc6)
EIP is at kunmap_high+0x1f/0x93
eax: 00000000   ebx: c25c99a0   ecx: c0740508   edx: 00000292
esi: 00001000   edi: 00000000   ebp: f6c3dd34   esp: f6c3dd2c
ds: 007b   es: 007b   ss: 0068
Process md10_raid1 (pid: 2865, threadinfo=f6c3c000 task=f7be4020)
Stack: c25c99a0 e287c8c0 f6c3dd3c c0118d66 f6c3dd90 f895a9fd c25c99a0
00000001
    f6d59000 00001000 00004000 f6c3ddb4 c010377e f895e810 dd1c4200 007ea037
    01000000 f10392cc f6c3ddb4 20000000 00004899 00100000 f10392cc f895e7e8
Call Trace:
 [<c0103ca2>] show_stack+0x9a/0xd0
 [<c0103e6d>] show_registers+0x175/0x209
 [<c010408c>] die+0xfa/0x17c
 [<c010418c>] do_trap+0x7e/0xb2
 [<c01044a8>] do_invalid_op+0xa9/0xb3
 [<c01038d7>] error_code+0x4f/0x54
 [<c0118d66>] kunmap+0x42/0x44
 [<f895a9fd>] __gnbd_send_req+0x1c7/0x28d [gnbd]
 [<f895af12>] do_gnbd_request+0xe5/0x198 [gnbd]
 [<c0383a0d>] __generic_unplug_device+0x28/0x2e
 [<c0384e8d>] __make_request+0x23f/0x512
 [<c0385490>] generic_make_request+0xb2/0x27a
 [<c03856a9>] submit_bio+0x51/0xe7
 [<c047de1f>] md_super_write+0x75/0x7d
 [<c047fa8d>] md_update_sb+0xd1/0x1e2
 [<c0483fa5>] md_check_recovery+0x197/0x3e9
 [<c0474805>] raid1d+0x22/0x2cb
 [<c04825c9>] md_thread+0x134/0x16f
 [<c01010d5>] kernel_thread_helper+0x5/0xb
 [43139186.670000] Code: e8 08 06 00 00 89 c7 e9 38 ff ff ff 55 89 e5 53 83
ec 04 89 c3 b8  80 6c 6c c0 e8 59 c3 40 00 89 1c 2
4 e8 e6 05 00 00 85 c0 75 08 <0f> 0b b7 00 0a 78 57 c0 05 00 00 40 00 c1 e8
0c 8b 14 85 20 dc
 <0>Fatal exception: panic in 5 seconds



And additionally I have 2 deadlock-messages, if it helps for something...

I hope I can help some....

Thanks

Janos

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