Doesn't sound promising. >From the Bugzilla reports, it seemed to fix some people. We have trouble upgrading because of compatibility issues with EMC powerpath. EL4 is well into the future for us. > -----Original Message----- > From: redhat-list-bounces@xxxxxxxxxx > [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of David Ernst > Sent: Wednesday, February 16, 2005 2:58 PM > To: General Red Hat Linux discussion list > Subject: Re: kswapd > > Sorry, I was throwing around numbers carelessly. I'll be more > clear... > > http://rhn.redhat.com/errata/RHBA-2004-550.html talks about the > kswapd issue and recommends upgrading to package > kernel-2.4.21-27.EL. We actually didn't do this, because by the time > we got around to it, the following had been released: > > http://rhn.redhat.com/errata/RHSA-2004-689.html doesn't talk about > the kswapd issue, but recommends upgrading to kernel-2.4.21-27.0.1.EL > for security reasons. Naturally, I assumed that this would include > the "kswapd" fix in kernel-2.4.21-27.EL. In short we are presently > running kernel-2.4.21-27.0.1.EL, and still have our problem. > > http://rhn.redhat.com/errata/RHSA-2005-043.html is what references > the kernel-2.4.21-27.0.2.EL package. We had troubule with this > upgrade and backed out. The point of my comments before was that I > don't have any reason to think upgrading to this version will help > with our problem, because the errata that announces it (2005-043) > doesn't say anything about our problem. > > In short, I still have no confidence that anything we can do inside > EL3 will solve our problem. This is why I'm tempted to try EL4... it > seems possible that whatever is plaguing us with the 2.4 kernel won't > do so under a 2.6 kernel. Thoughts? > > David > > > > > > > > On Wed, Feb 16, 2005 at 08:28:01AM -0500, Blackburn, Marvin wrote: > >David, > >The previous erratta to RHSA-2005-043.html addresses the > kswapd issue. > >What was that bugzilla number? > > > >> -----Original Message----- > >> From: redhat-list-bounces@xxxxxxxxxx > >> [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of David Ernst > >> Sent: Tuesday, February 15, 2005 5:19 PM > >> To: General Red Hat Linux discussion list > >> Subject: Re: kswapd > >> > >> 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@xxxxxxxxxx > >> >> [mailto:redhat-list-bounces@xxxxxxxxxx] 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@xxxxxxxxx> 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 > >> >> > -- > >> >> > redhat-list mailing list > >> >> > unsubscribe > >> mailto:redhat-list-request@xxxxxxxxxx?subjectunsubscribe > >> >> > https://www.redhat.com/mailman/listinfo/redhat-list > >> >> > > >> >> > >> >> -- > >> >> redhat-list mailing list > >> >> unsubscribe > >> mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > >> >> https://www.redhat.com/mailman/listinfo/redhat-list > >> >> > >> > > >> >-- > >> >redhat-list mailing list > >> >unsubscribe > mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > >> >https://www.redhat.com/mailman/listinfo/redhat-list > >> > >> -- > >> redhat-list mailing list > >> unsubscribe > mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > >> https://www.redhat.com/mailman/listinfo/redhat-list > >> > > > >-- > >redhat-list mailing list > >unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > >https://www.redhat.com/mailman/listinfo/redhat-list > > -- > redhat-list mailing list > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > https://www.redhat.com/mailman/listinfo/redhat-list > -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list