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Re: XFS: Assertion failed: bp->b_bn != XFS_BUF_DADDR_NULL, file: fs/xfs/

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: XFS: Assertion failed: bp->b_bn != XFS_BUF_DADDR_NULL, file: fs/xfs/xfs_buf.c, line: 598
From: Rafał Kupka <kupson@xxxxxxxxxx>
Date: Mon, 05 Mar 2012 22:40:12 +0100
Cc: xfs@xxxxxxxxxxx
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In-reply-to: <20120303114413.GA18748@xxxxxxxxxxxxx>
References: <1330539626.7615.73.camel@xxxxxxxxxxxxxxxx> <20120302104348.GA22230@xxxxxxxxxxxxx> <1330774627.32457.24.camel@xxxxxxxxxxxxxxxx> <20120303114413.GA18748@xxxxxxxxxxxxx>
On Sat, 2012-03-03 at 06:44 -0500, Christoph Hellwig wrote:
> On Sat, Mar 03, 2012 at 12:37:07PM +0100, Rafa?? Kupka wrote:
> > On Fri, 2012-03-02 at 05:43 -0500, Christoph Hellwig wrote:
Hi,

I've completed bisection process. It looks like kernel up to

704b2907 "xfs: register the inode cache shrinker before quotachecks"

is good and first bad commit is:

0e6e847f "xfs: stop using the page cache to back the buffer cache"

I double tested it - 704b2907 can do 60+ loops of xfsdump without any
trouble and 0e6e847f breaks in <10 iterations.

> > - git revision c5850150d0b9ae16840c5d9846f9d5a759996a15:
> >     Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
> >     
> >     * 'for-linus' of git://oss.sgi.com/xfs/xfs:
> >       xfs: stop using the page cache to back the buffer cache
> >       xfs: register the inode cache shrinker before quotachecks
> >       xfs: xfs_trans_read_buf() should return an error on failure
> 
> This is the only patch in that area.  Give me a bit more time to
> figure out how it could related to your issues.

Can I do something more to help?

Regards,
Rafał Kupka

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