Re: [xfs-masters] 2.6.29-rc: kernel BUG at fs/xfs/support/debug.c:108

["Alexander Beregalov" <a.beregalov@xxxxxxxxx>]

2009/1/12 Alexander Beregalov <a.beregalov@xxxxxxxxx>:
>> Hmmmm - this might be getting closer to the source of the bug.
>> It's being detecting when reading in the buffer to do a left shift
>> now, not during the delete of a record.
>>
>> I'd suggest that you treat this as the same failure and continue
>> the bisect to try to find when no problems show up at all.
>
> 687b890a184fef263ebb773926e1f4aa69240d01 is the first bad commit.
> Does it make sense?
> It can not be reverted from the current git to be sure it is guilty
> due to merge conflicts.
>

No! I got similar bug message on 9eaead5 two hours later.
9eaead5 is previous to 687b890. 9eaead5 might be the first bad commit
or earlier one.
It seems I need to test the kernel for few hours before mark it good.

Filesystem "sdb1": XFS internal error xfs_btree_check_lblock at line
200 of file fs/xfs/xfs_btree.c.  Caller 0xc024c132
Pid: 2481, comm: pdflush Not tainted 2.6.28-rc2-00208-g9eaead5 #4
Call Trace:
 [<c025f212>] ? xfs_cmn_err+0x32/0x60
 [<c025f28e>] xfs_error_report+0x4e/0x50
 [<c024c132>] ? xfs_btree_check_block+0x32/0x40
 [<c024bfbd>] xfs_btree_check_lblock+0x4d/0x190
 [<c024c132>] ? xfs_btree_check_block+0x32/0x40
<...>
Assertion failed: cur->bc_btnum != XFS_BTNUM_BMAP ||
cur->bc_private.b.allocated == 0, file: fs/xfs/xfs_btree.c, line: 348
------------[ cut here ]------------
kernel BUG at fs/xfs/support/debug.c:81!
invalid opcode: 0000 [#1] PREEMPT DEBUG_PAGEALLOC
last sysfs file: /sys/devices/platform/w83627hf.656/name
Modules linked in: w83627hf hwmon_vid i2c_nforce2
Pid: 2481, comm: pdflush Not tainted (2.6.28-rc2-00208-g9eaead5 #4)
EIP: 0060:[<c029d6ee>] EFLAGS: 00010282 CPU: 0
EIP is at assfail+0x1e/0x30
<..>
Call Trace:
 [<c024bcd0>] ? xfs_btree_del_cursor+0x60/0x80
 [<c02445be>] ? xfs_bmapi+0x48e/0x1c90
 [<c014b7a5>] ? __lock_acquire+0x2c5/0x1000
 [<c014b7a5>] ? __lock_acquire+0x2c5/0x1000
 [<c0270cd4>] ? xfs_iomap_write_allocate+0x254/0x450