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Bug#426692: marked as done (One CPU slow down with kernel 2.6.18-4-686 (etch2))

Your message dated Sun, 26 Jul 2009 18:51:55 +0200
with message-id <20090726165155.GA15624@galadriel.inutil.org>
and subject line Re: One CPU slow down with kernel 2.6.18-4-686 (etch2)
has caused the Debian Bug report #426692,
regarding One CPU slow down with kernel 2.6.18-4-686 (etch2)
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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-- 
426692: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=426692
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image
Version: 2.6.18-4-686 (etch2)

I have a dual xeon system with 2 xeon 5050 dual core processors with HyperTreading.
Sometimes one of the physical cores slow down and never speed up again. There is
a lot of "system" and "user" load (~80-90%) and a lot of "soft irq" (~20-30%) on
that CPU (on 2 virtual CPU because of HyperTreading). When a process running on
the slow CPU it finished approximately 10 times slower than on one of the other CPUs.

The slow CPU speed up only when I reboot the system.

I am using Debian GNU/Linux 4.0, kernel 2.6.18-4-686 (etch2).
Used packages: apache2, bind9, postfix, courier, mysql, proftpd, etc...
I am not using x-window.

--- End Message ---
--- Begin Message --- 
On Thu, Dec 25, 2008 at 05:12:07PM +0100, Moritz Muehlenhoff wrote:
> On Wed, May 30, 2007 at 11:42:21AM +0200, Unas Mérnöki Iroda wrote:
> > Package: linux-image
> > Version: 2.6.18-4-686 (etch2)
> > 
> > I have a dual xeon system with 2 xeon 5050 dual core processors with HyperTreading.
> > Sometimes one of the physical cores slow down and never speed up again. There is
> > a lot of "system" and "user" load (~80-90%) and a lot of "soft irq" (~20-30%) on
> > that CPU (on 2 virtual CPU because of HyperTreading). When a process running on
> > the slow CPU it finished approximately 10 times slower than on one of the other CPUs.
> > 
> > The slow CPU speed up only when I reboot the system.
> > 
> > I am using Debian GNU/Linux 4.0, kernel 2.6.18-4-686 (etch2).
> > Used packages: apache2, bind9, postfix, courier, mysql, proftpd, etc...
> > I am not using x-window.
> 
> Does this error still occur with more recent kernel versions?
> 
> If you're running Etch, could you try to reproduce this bug
> with the 2.6.24 based kernel added in 4.0r4?
> http://packages.qa.debian.org/l/linux-2.6.24.html

No further feedback, closing the bug.

If anyone reencounters the problem, please reopen this bug.

Cheers,
        Moritz

--- End Message ---
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