I'm running 2.6.0-r3 with all filesystems using JFS. After a recent
power outage and attempted fsck, I got the following on reboot:
kernel BUG at fs/jfs/jfs_dmap.c:385!
invalid operand: 0000 [#1]
CPU: 0
EIP: 0060:[<c02484eb>] Not tainted
EFLAGS: 00010282
EIP is at dbFree+0xab/0x280
eax: 0000004b ebx: 0000002f ecx: c04471b4 edx: 00000286
esi: 00642e74 edi: 00000000 ebp: cfdffd2c esp: cfdffcdc
ds: 007b es: 007b ss: 0068
Process jfsCommit (pid: 17, threadinfo=cfdfe000 task=c137ece0)
Stack: c03f967d c03f9860 00000181 c040ae20 00000001 00000000 00000000 000590bd
00000000 cf5c78cc cf984000 cf5c7a84 00000001 cf35d000 cfda6770 6f726376
0000002f 00000000 cf3d7aa4 0000002f cfdffd6c c025ae42 cf3d7aa4 6f726376
Call Trace:
[<c025ae42>] txFreeMap+0xb2/0x340
[<c011cb4f>] schedule+0x21f/0x530
[<c017e5f6>] __mark_inode_dirty+0x126/0x130
[<c0243436>] xtTruncate+0xcb6/0x1020
[<c013faee>] mempool_free+0x5e/0xc0
[<c013f990>] mempool_alloc+0x80/0x180
[<c013cb4a>] find_get_page+0x3a/0x80
[<c015fa8b>] nobh_commit_write+0x8b/0x90
[<c0239850>] jfs_delete_inode+0x0/0x40
[<c023b08b>] freeZeroLink+0xab/0x1d0
[<c02554d3>] release_metapage+0x243/0x320
[<c0239850>] jfs_delete_inode+0x0/0x40
[<c0239888>] jfs_delete_inode+0x38/0x40
[<c0177788>] generic_delete_inode+0x78/0x140
[<c0177a63>] iput+0x63/0x90
[<c025ab12>] txUpdateMap+0x1c2/0x290
[<c025b3c6>] txLazyCommit+0x26/0x110
[<c025b58b>] jfs_lazycommit+0xdb/0x230
[<c011ceb0>] default_wake_function+0x0/0x30
[<c0109696>] ret_from_fork+0x6/0x14
[<c011ceb0>] default_wake_function+0x0/0x30
[<c025b4b0>] jfs_lazycommit+0x0/0x230
[<c0107479>] kernel_thread_helper+0x5/0xc
Code: 0f 0b 81 01 60 98 3f c0 c7 45 e8 00 00 00 00 85 ff 0f 8e a2