linux-kernel - Re: [aio] e52ddd946a: xfstests generic/211 fail

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Date:	Sun, 23 Mar 2014 08:58:33 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Benjamin LaHaise <bcrl@...ck.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, lkp@...org,
	linux-fsdevel@...r.kernel.org
Subject: Re: [aio] e52ddd946a: xfstests generic/211 fail

On Sun, Mar 23, 2014 at 08:57:30AM +0800, Fengguang Wu wrote:
> On Sat, Mar 22, 2014 at 08:51:05PM -0400, Benjamin LaHaise wrote:
> > On Sun, Mar 23, 2014 at 08:40:09AM +0800, Fengguang Wu wrote:
> > > Hi Benjamin,
> > > 
> > > We noticed xfstests fail and the first bad commit is
> > 
> > What is the failure?  This is awfully vague for a bug report.
> 
> In the email title: the generic/211 case of xfstests.
> 
> Here are the rough steps to reproduce the problem in KVM:
> 
> mkfs -t ext4 -q /dev/vda
> mkfs -t ext4 -q /dev/vdd
> mount -t ext4 /dev/vda /fs/vda
> mount -t ext4 /dev/vdd /fs/vdd
> export TEST_DIR=/fs/vda
> export TEST_DEV=/dev/vda
> export SCRATCH_DEV=/dev/vdd
> export SCRATCH_MNT=/fs/scratch
> mkdir /fs/scratch -p
> ./check generic/211

generic/211      [failed, exit status 1] - output mismatch (see /lkp/benchmarks/xfstests/results//generic/211.out.bad)
    --- tests/generic/211.out   2013-09-16 21:19:49.000000000 +0800
    +++ /lkp/benchmarks/xfstests/results//generic/211.out.bad   2014-03-23 02:55:53.390625000 +0800
    @@ -1,2 +1,2 @@
     QA output created by 211
    -aio-free-ring-with-bogus-nr-pages: Success!
    +aio-free-ring-with-bogus-nr-pages: Error: io_setup returned -11, expected -ENOMEM
     ...
     (Run 'diff -u tests/generic/211.out /lkp/benchmarks/xfstests/results//generic/211.out.bad' to see the entire diff)

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