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From: Nick Piggin <piggin@cyberone.com.au>
To: Mingming Cao <cmm@us.ibm.com>
Cc: Andrew Morton <akpm@digeo.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: 2.5.70-mm9
Date: Sun, 15 Jun 2003 14:14:57 +1000	[thread overview]
Message-ID: <3EEBF2C1.4050101@cyberone.com.au> (raw)
In-Reply-To: <1055637690.1396.15.camel@w-ming2.beaverton.ibm.com>



Mingming Cao wrote:

>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().  
>

So by failed, you just mean stuck in io_schedule? Are you sure
they are permanently stuck there? Is any progress being made?
I have tried this test, and often some or most of the processes
wait in io_schedule for a while, but do get woken.




  reply	other threads:[~2003-06-15  4:01 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     ` 2.5.70-mm9 Mingming Cao
2003-06-15  4:14       ` Nick Piggin [this message]
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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