From: Fabio Coatti <fabio.coatti@wseurope.com>
Organization: Wireless Solutions S.p.A.
To: Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua>
Subject: Re: bonnie++ uninterruptible under heavy I/O load
Date: Fri, 11 Mar 2005 14:20:52 +0100
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Cc: Simone Piunno <simone.piunno@wseurope.com>, linux-kernel@vger.kernel.org
References: <200503111208.20283.simone.piunno@wseurope.com> <200503111335.56782.vda@port.imtp.ilyichevsk.odessa.ua>
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Alle 12:35, venerd? 11 marzo 2005, Denis Vlasenko ha scritto:

> >
> > Unresponsiveness is not 2.6.11 specific (we've seen the same thing on
> > 2.6.10 and 2.6.8), not I/O scheduler specific ("as" and "deadline" behave
> > the same) and not CPU/SMP specific (reproduced on single P4 HT and single
> > P3), but only on these two DL585 servers we've seen bonnie++ resisting
> > kill -9 for tens of seconds.
> >
> > Of course on request I can provide any other useful info.
> > Any help is appreciated.
>
> I think Alt-SysRq-T will be interesting to see

Unfortunately this machine is on a remote location, so we don't have access to 
keyboard. In some days we will be able to have a report of Alt-SysRq-T, but 
until this  of course we can provide any information that can be gathered on 
a remote shell.

-- 
Fabio Coatti              Wireless Solutions SpA - DADA group   
Services Manager        Europe HQ, via Castiglione 25 Bologna 
http://www.wseurope.com     Tel: +390512966811 Fax: +390512966800
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