Subject: Re: [Ext2-devel] Re: OOM problems on 2.6.12-rc1 with many fsx tests
From: Badari Pulavarty <pbadari@us.ibm.com>
To: Dave Jones <davej@redhat.com>
Cc: Mingming Cao <cmm@us.ibm.com>, Andrew Morton <akpm@osdl.org>,
       Andrea Arcangeli <andrea@suse.de>, mjbligh@us.ibm.com,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       ext2-devel <ext2-devel@lists.sourceforge.net>
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Date: 25 Mar 2005 16:20:01 -0800
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On Fri, 2005-03-25 at 16:17, Dave Jones wrote:
> On Wed, Mar 23, 2005 at 11:53:04AM -0800, Mingming Cao wrote:
> 
>  > The fsx command is:
>  > 
>  > ./fsx -c 10 -n -r 4096 -w 4096 /mnt/test/foo1 &
>  > 
>  > I also see fsx tests start to generating report about read bad data
>  > about the tests have run for about 9 hours(one hour before of the OOM
>  > happen). 
> 
> Is writing to the same testfile from multiple fsx's supposed to work?
> It sounds like a surefire way to break the consistency checking that it does.
> I'm surprised it lasts 9hrs before it breaks.
> 
> In the past I've done tests like..
> 
> for i in `seq 1 100`
> do
>   fsx foo$i &
> done
> 
> to make each process use a different test file.
> 

No. We are doing on different files - Mingming cut and pasted
only a single line from the script.

Thanks,
Badari

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