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Subject2.6.9-rc1-mm1 kernel BUG at fs/jbd/checkpoint.c:646!
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Date
Hi,

this keeps happening on the SMP highmem box under heavy sync IO load.

kernel BUG at fs/jbd/checkpoint.c:646!
invalid operand: 0000 [#1]
SMP
CPU: 3
EIP: 0060:[<c0199b44>] Not tainted VLI
EFLAGS: 00010282 (2.6.9-rc1-mm1)
EIP is at __journal_drop_transaction+0x30c/0x39d
eax: 00000071 ebx: ccb83100 ecx: c02d9c3c edx: c02d9c3c
esi: c320d200 edi: 00000000 ebp: 00000000 esp: ebd4ddac
ds: 007b es: 007b ss: 0068
Process kjournald (pid: 1824, threadinfo=ebd4d000 task=f7b43830)
Stack: c02bbdc0 c02ab540 c02baafd 00000286 c02bab4d ccb83100 c320d200
c0199721
c320d200 ccb83100 e0138d7c e4b1911c c01977ae e4b1911c ef34bc2c
00000003
000187c7 00000051 ebd4d000 00000000 00000000 00000f7c c0eaa084
00000000
Call Trace:
[<c0199721>] __journal_remove_checkpoint+0x4a/0x90
[<c01977ae>] journal_commit_transaction+0x778/0x13b6
[<c01178bc>] autoremove_wake_function+0x0/0x57
[<c01178bc>] autoremove_wake_function+0x0/0x57
[<c0115896>] find_busiest_queue+0x9e/0xbc
[<c0115a9d>] load_balance_newidle+0x80/0x94
[<c02a6a08>] schedule+0x2c4/0xb7b
[<c0115f94>] __wake_up_common+0x3f/0x5e
[<c01218fd>] del_timer_sync+0x92/0xcb
[<c019a940>] kjournald+0xce/0x228
[<c01178bc>] autoremove_wake_function+0x0/0x57
[<c01178bc>] autoremove_wake_function+0x0/0x57
[<c0103fd2>] ret_from_fork+0x6/0x14
[<c019a868>] commit_timeout+0x0/0x9
[<c019a872>] kjournald+0x0/0x228
[<c0102309>] kernel_thread_helper+0x5/0xb
Code: 44 24 10 4d ab 2b c0 c7 44 24 0c 86 02 00 00 c7 44 24 08 fd aa 2b
c0 c7 44 24 04 40 b5 2a c0 c7 04 24 c0 bd 2b c0 e8 ff 01 f8 ff <0f> 0b
86 02 fd aa 2b c0 e9 aa fd ff ff c7 44 24 10 20 e5 2b c0


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