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Re: XFS bad inode magic/vsn daddr 64 #8 (magic=5858)

To: Nick Piggin <npiggin@xxxxxxxxx>
Subject: Re: XFS bad inode magic/vsn daddr 64 #8 (magic=5858)
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed, 20 Oct 2010 11:19:27 -0400
Cc: xfs@xxxxxxxxxxx
In-reply-to: <20101020082409.GA5415@amd>
References: <20101020082409.GA5415@amd>
User-agent: Mutt/1.5.21 (2010-09-15)
On Wed, Oct 20, 2010 at 07:24:09PM +1100, Nick Piggin wrote:
> Hi, I keep hitting this bug running xfstests, and managed to
> reproduce it several times on current vanilla upstream kernel
> too, below is one trace.
> 
> Nothing special about the xfstests run, except that it is run
> on brd device for both the test and the scratch mounts. No
> special mount options or mkfs flags. It seems pretty reproducable
> though, triggering every time I've run the tests like this.
> 
> I didn't narrow down the test that causes the bug because it
> keeps running other tests and then eventually hanging. Any hints
> to narrow it down?

Care to check if it goes away if you remove the special casing of
BLKFLSBUF in brd_ioctl?

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