kswapd

[David Ernst]

We have a similar problem....  The only difference is we don't notice
our kswapd running high the way everyone on that bugzilla talked about
it.  Otherwise, it's just about identical... the (other) symptoms,
what triggers the symptoms, etc.  

What's worse, we're running the 2.4.21-27.0.1.EL kernel.  I had
trouble upgrading to the 2.4.21-27.0.2.EL kernel, so we're not using
it yet, but from the announcement at
http://rhn.redhat.com/errata/RHSA-2005-043.html doesn't suggest that
it would address anything about this problem anyway.  Anyone else have
similar experience?  

Does anyone know if this issue has ever been seen in 2.6.x kernels?  I
see that RedHat announced RHEL4 today (or at least that's when I got
the email) and perhaps we'll just upgrade to that rather than continue
to beat our heads against walls...

David





On Thu, Feb 10, 2005 at 08:00:53AM -0500, Blackburn, Marvin wrote:
>We have this problem too.  It gets so bad that the system locks up.
>The trouble with the fix is that some of our applications are not
>certified with
>the kernel recommended.
>
>Its strange -- this problem always recurs two weeks to the day after a
>reboot. 
>
>> -----Original Message-----
>> From: redhat-list-bounces at redhat.com 
>> [mailto:redhat-list-bounces at redhat.com] On Behalf Of Cian Cullinan
>> Sent: Wednesday, February 09, 2005 5:04 AM
>> To: General Red Hat Linux discussion list
>> Subject: Re: kswapd
>> 
>> See 
>> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=132639
>> 
>> It's a bug with kswapd. The report goes into a lot of detail about the
>> VM which went over my head, but the solution is to upgrade your kernel
>> to one with this fixed.
>> 
>> 
>> On Tue, 8 Feb 2005 15:07:19 -0800, Bhupinder Singh 
>> <bsingh at digev.com> wrote:
>> > Hi all:
>> > Very often, a process kswapd takes control of 100% or more 
>> of CPU and
>> > stays that way for quite some time. Anybody know what is 
>> causing it and
>> > how to fix it. Any help will be greatly appreciated.
>> > Thanks.
>> > Bhupinder
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