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From: Mingming Cao <cmm@us.ibm.com>
To: Andrew Morton <akpm@digeo.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: 2.5.70-mm9
Date: 14 Jun 2003 17:41:29 -0700	[thread overview]
Message-ID: <1055637690.1396.15.camel@w-ming2.beaverton.ibm.com> (raw)
In-Reply-To: <20030614010139.2f0f1348.akpm@digeo.com>

On Sat, 2003-06-14 at 01:01, Andrew Morton wrote:

> Was elevator=deadline observed to fail in earlier kernels?  If not then it
> may be an anticipatory scheduler bug.  It certainly had all the appearances
> of that.
Yes, with elevator=deadline the many fsx tests failed on 2.5.70-mm5.
 
> So once you're really sure that elevator=deadline isn't going to fail,
> could you please test elevator=as?
> 
Ok, the deadline test was run for 10 hours then I stopped it (for the
elevator=as test).  

But the test on elevator=as (2.5.70-mm9 kernel) still failed, same
problem.  Some fsx tests are sleeping on io_schedule().  

Next I think I will re-run test on elevator=deadline for 24 hours, to
make sure the problem is really gone there.  After that maybe try a
different Qlogic Driver, currently I am using the driver from Qlogic
company(QLA2XXX V8).

Thanks,

Mingming


  reply	other threads:[~2003-06-15  0:27 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-06-13  8:33 2.5.70-mm9 Andrew Morton
2003-06-13  9:17 ` 2.5.70-mm9 Andrew Morton
2003-06-13 10:50 ` Bug in 2.5.70-mm9: df: `/': Value too large for defined data type Thomas Schlichter
2003-06-13 20:09   ` Andrew Morton
2003-06-13 17:57 ` 2.5.70-mm9 Brandon Low
2003-06-14  7:51 ` 2.5.70-mm9 Mingming Cao
2003-06-14  8:01   ` 2.5.70-mm9 Andrew Morton
2003-06-15  0:41     ` Mingming Cao [this message]
2003-06-15  4:14       ` 2.5.70-mm9 Nick Piggin
2003-06-16 16:25         ` 2.5.70-mm9 Mingming Cao
2003-06-15  6:20       ` 2.5.70-mm9 Andrew Morton
2003-06-16 15:59         ` 2.5.70-mm9 Mingming Cao
2003-06-18  7:13         ` 2.5.70-mm9 Mingming Cao
2003-06-18  7:38           ` 2.5.70-mm9 Andrew Morton
2003-06-18 13:54             ` 2.5.70-mm9 James Bottomley
2003-06-15  1:14 ` 2.5.70-mm9 Diego Calleja García
2003-06-15  7:58   ` 2.5.70-mm9 Felipe Alfaro Solana
2003-06-15 11:22     ` 2.5.70-mm9 Diego Calleja García
2003-06-13 22:21 2.5.70-mm9 Shane Shrybman

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