Re: 2.6.15-mm3 bisection: git-xfs.patch makes reiserfs oops

From: Mattia Dongili
Date: Mon Jan 16 2006 - 06:49:54 EST


[...]
> Nathan Scott wrote:
>>On Sun, Jan 15, 2006 at 11:14:58PM +0100, Mattia Dongili wrote:
[...]
>>>you're right: git-xfs.patch is the bad guy.
>>>
>>>Unfortunately netconsole isn't helpful in capturing the oops (no serial
>>>ports here) but I have two more shots (more readable):
>>>http://oioio.altervista.org/linux/dsc03148.jpg
>>>http://oioio.altervista.org/linux/dsc03149.jpg
>>>
>>>
>>
>>Hmm, thats odd. It seems to be coming from:
>>reiserfs_commit_page -> reiserfs_add_ordered_list -> __add_jh(inline)
>>
>>I guess XFS may have left a buffer_head in an unusual state (with some
>>private flag/b_private set), somehow, and perhaps that buffer_head has
>>later been allocated for a page in a reiserfs write. Does this patch,
>>below, help at all?

Yes, it does help, good catch! I'm currently running -mm4, which presented
the same behaviour, with your one liner and I can't reproduce the oops
anymore (fortunately for my root FS!).

thanks
--
mattia
:wq!


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