From: Baruch Even <baruch@ev-en.org>
To: Fabio Coatti <fabio.coatti@wseurope.com>
Cc: Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua>,
Simone Piunno <simone.piunno@wseurope.com>,
linux-kernel@vger.kernel.org
Subject: Re: bonnie++ uninterruptible under heavy I/O load
Date: Fri, 11 Mar 2005 13:29:17 +0000 [thread overview]
Message-ID: <42319D2D.7060402@ev-en.org> (raw)
In-Reply-To: <200503111420.52890.fabio.coatti@wseurope.com>
Fabio Coatti wrote:
> Alle 12:35, venerdì 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.
echo t > /proc/sysrq-trigger
will do the job equivalently.
Baruch
next prev parent reply other threads:[~2005-03-11 13:29 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-11 11:08 bonnie++ uninterruptible under heavy I/O load Simone Piunno
2005-03-11 11:35 ` Denis Vlasenko
2005-03-11 13:20 ` Fabio Coatti
2005-03-11 13:29 ` Baruch Even [this message]
2005-03-11 14:14 ` Simone Piunno
2005-03-11 15:16 ` Jens Axboe
2005-03-11 15:50 ` Fabio Coatti
2005-03-11 15:54 ` Jens Axboe
2005-03-11 15:58 ` Simone Piunno
2005-03-11 16:00 ` Jens Axboe
2005-03-11 16:24 ` Simone Piunno
-- strict thread matches above, loose matches on Subject: below --
2005-03-11 14:24 Christian Guggenberger
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