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Re: 2.6.18-rc3-git3 - XFS - BUG: unable to handle kernel NULL pointer de

To: Jesper Juhl <jesper.juhl@xxxxxxxxx>
Subject: Re: 2.6.18-rc3-git3 - XFS - BUG: unable to handle kernel NULL pointer dereference at virtual address 00000078
From: Nathan Scott <nathans@xxxxxxx>
Date: Mon, 14 Aug 2006 12:00:32 +1000
Cc: Avuton Olrich <avuton@xxxxxxxxx>, "Tony. Ho" <linux@xxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx
In-reply-to: <9a8748490608110325k25c340e2yac925eb226d1fe4f@xxxxxxxxxxxxxx>; from jesper.juhl@xxxxxxxxx on Fri, Aug 11, 2006 at 12:25:03PM +0200
References: <3aa654a40608072039r2b5c5a19hbd3e68e4fee40869@xxxxxxxxxxxxxx> <20060808134438.E2526901@xxxxxxxxxxxxxxxxxxxxxxxx> <9a8748490608080137k596a6290r3567096668449a64@xxxxxxxxxxxxxx> <20060808185405.B2528231@xxxxxxxxxxxxxxxxxxxxxxxx> <9a8748490608100431m244207b1v9c9c5087233fcf3a@xxxxxxxxxxxxxx> <20060811083546.B2596458@xxxxxxxxxxxxxxxxxxxxxxxx> <9a8748490608101544n29f863e7o7584ac64f1d4c210@xxxxxxxxxxxxxx> <9a8748490608101552w12822fa6m415a5fb5537c744d@xxxxxxxxxxxxxx> <9a8748490608110133v5f973cf6w1af340f59bb229ec@xxxxxxxxxxxxxx> <9a8748490608110325k25c340e2yac925eb226d1fe4f@xxxxxxxxxxxxxx>
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On Fri, Aug 11, 2006 at 12:25:03PM +0200, Jesper Juhl wrote:
> I didn't capture all of the xfs_repair output, but I did get this :
> ...
> Phase 4 - check for duplicate blocks...
>         - setting up duplicate extent list...
>         - clear lost+found (if it exists) ...
>         - clearing existing "lost+found" inode
>         - deleting existing "lost+found" entry
>         - check for inodes claiming duplicate blocks...
>         - agno = 0
>         - agno = 1
>         - agno = 2
>         - agno = 3
>         - agno = 4
>         - agno = 5
>         - agno = 6
> LEAFN node level is 1 inode 412035424 bno = 8388608

Ooh.  Can you describe this test case you're using?  Something with
a bunch of renames in it, obviously, but I'd also like to be able to
reproduce locally with the exact data set (file names in particular),
if at all possible.

thanks!

-- 
Nathan


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