From: Liu Bo <bo.li.liu@oracle.com>
To: Chris Mason <chris.mason@fusionio.com>,
David Sterba <dsterba@suse.cz>,
"linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: [bug] csum mismatches and failed xfstests with 3.8-rc1 -rc4
Date: Wed, 23 Jan 2013 14:16:37 +0800 [thread overview]
Message-ID: <20130123061635.GD17162@liubo.jp.oracle.com> (raw)
In-Reply-To: <20130122143902.GD22634@shiny>
On Tue, Jan 22, 2013 at 09:39:02AM -0500, Chris Mason wrote:
> On Tue, Jan 22, 2013 at 07:26:15AM -0700, David Sterba wrote:
> > On Fri, Jan 04, 2013 at 01:50:59PM +0100, David Sterba wrote:
> > > I've noticed a few csum mismatch messages, and a few failed xfstests:
> >
> > They're still there, we're on rc4, so I started looking for potential
> > patches to revert, but tonight the test reproduced csums with these
> > patches removed:
>
> I'm able to trigger crc errors with just 50 parallel fsx O_DIRECT procs
> hammering in parallel. Trying to nail down the test case a little
> better.
After this patch(Btrfs: put csums on the right ordered extent),
I'm unable to get crc errors by running this script.
thanks,
liubo
>
> #!/bin/bash
>
> num=$1
>
> if [ "x$num" == "x" ]; then
> num=50
> fi
>
> echo "using $num procs"
>
> for x in `seq 1 $num` ; do
> echo -n "$x "
> fsx -q xxxf$x -Z -R -W -r 4096 -w 4096 &
> done
> echo "waiting"
> wait
> --
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> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
prev parent reply other threads:[~2013-01-23 6:19 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-04 12:50 [bug] csum mismatches and failed xfstests with 3.8-rc1 David Sterba
2013-01-04 13:01 ` Chris Mason
2013-01-04 13:45 ` David Sterba
2013-01-07 17:03 ` [bug] csum mismatches and failed xfstests with 3.8-rc1 and rc2 David Sterba
2013-01-07 17:06 ` David Sterba
2013-01-08 1:17 ` Chris Mason
2013-01-22 14:26 ` [bug] csum mismatches and failed xfstests with 3.8-rc1 -rc4 David Sterba
2013-01-22 14:39 ` Chris Mason
2013-01-23 6:16 ` Liu Bo [this message]
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