 | | | Subject: RE: unstable system question | Subject: RE: unstable system question 2007-09-20 - By Richard Riley
Back
Do you have the package sysstat installed? This is an optional package
that records a wide range of system statistics at 5 minutes intervals
(via cron). I have found it quite helpful in reviewing what was
happening leading up to a problem situation, although as you indicated
with top, it may not continue to run at the critical times. It does
record it's data in a file in /var/log/sa/ directory, so the data is
still present after a machine crash or a reboot.
> -- --Original Message-- --
> From: redhat-install-list-bounces@(protected) [mailto:redhat-install-
> list-bounces@(protected)] On Behalf Of jim ruxton
> Sent: Thursday, September 20, 2007 4:03 PM
> To: bret_stern@(protected); Getting started with Red Hat
> Linux
> Subject: RE: unstable system question
>
>
> > >
> > > My system keeps slowing down and locking up. The only thing
> > > I've found is that I get the following system message when
> > > this happens. I'm assuming this is related but it may just be
> > > a coincidence or a result of the lockup.
> > >
> > > Sep 20 04:05:35 localhost kernel: Clocksource tsc unstable
> (delta =
> > > 84348170175 ns)
> > > Sep 20 04:05:35 localhost kernel: Time: acpi_pm clocksource
> > > has been installed.
> > >
> > > I tried adding notsc to my boot file ie.
> > >
> > > kernel /vmlinuz-2 (See http://nuz-2.ora-code.com).6.22.5-49.fc6 ro
> > > root=/dev/VolGroup00/LogVol00 rhgb quiet notsc
> > >
> > > but tsc still is loaded at boot. Any one have any thoughts on
> > > this. As you can see above I'm on FC6 with 2.6.22 Kernel.
> > >
> > > Thanks,
> > > Jim
> > >
> > >
> > >
> >
> >
> > perhaps you can run the command "top" from a terminal screen
> > to see what's using your system resources as it slows down.
>
> Thanks for the suggestion but the crazy thing is that "top" won't
> run
> when things start crawling : (.
> Jim
>
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