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

Alexander Beregalov
2009-01-23T18:43:40Z

2009/1/20 Christoph Hellwig <hch@infradead.org>:
> On Tue, Jan 20, 2009 at 09:54:44PM +0300, Alexander Beregalov wrote:
>> Hi
>>
>> Is it a new bug?
>> It is pre-2.6.29-rc1 kernel, which was supossed to be free of the bug
>> "fs_is_ok, file: fs/xfs/xfs_btree.c, line: 3327"
>
> From the trace it's a post-btree consolidation kernel, so all the bugs
> in -rc1 are there, too. It looks like this is the readahead type
> cockup that Geert noticed, so this particular one should be fixed in
> -rc2.
>
> I would strongly recommend to just turn on CNFIG_LBD for post-2.6.28
> kernels for now as all the problems showing up are without CONFIG_LBD.
Yes, both bugs do not appear on kernel with CONFIG_LBD=y.

But I do not need LBD. Does XFS strongly require LBD?
Should I always turn it on even if I do not have files or devices of size 2Tb+ ?