From: Thomas Fjellstrom <thomas@fjellstrom.ca>
To: Avi Kivity <avi@redhat.com>
Cc: "kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: kvm linux guest hanging for minutes at a time
Date: Tue, 9 Aug 2011 08:54:03 -0600 [thread overview]
Message-ID: <201108090854.03516.thomas@fjellstrom.ca> (raw)
In-Reply-To: <4E4148FF.4010503@redhat.com>
On August 9, 2011, Avi Kivity wrote:
> On 08/09/2011 05:46 PM, Thomas Fjellstrom wrote:
> > > > Does it matter that I have several vms running? Is there a way to
> > > > limit it to tracing the single kvm process that's been locking up?
> > >
> > > You can use "trace-cmd record -F ... qemu ..." but that misses out on
> > > events the run from workqueues.
> > >
> > > Best to stop those other guests.
> >
> > I would prefer not to do that, those other guests are my web server, mail
> > server, and database server. I have no idea if I can reproduce the
> > problem in a reasonable time frame.
>
> Okay then, please use -F.
>
> Note, please be sure to note the time the guest hangs so we can
> correlate it with the trace.
The fun part is the last thing to cause a hang was a 'aptitude dist-upgrade',
which updated the kernel, and removed the running kernel, so if it has to be
restarted, I won't be able to run again with the same kernel, unless I can find
the package for the old kernel some place.
--
Thomas Fjellstrom
thomas@fjellstrom.ca
next prev parent reply other threads:[~2011-08-09 14:54 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-07 14:06 kvm linux guest hanging for minutes at a time Thomas Fjellstrom
2011-08-09 9:16 ` Avi Kivity
2011-08-09 12:03 ` Thomas Fjellstrom
2011-08-09 12:36 ` Avi Kivity
2011-08-09 14:31 ` Thomas Fjellstrom
2011-08-09 14:37 ` Avi Kivity
2011-08-09 14:46 ` Thomas Fjellstrom
2011-08-09 14:49 ` Avi Kivity
2011-08-09 14:54 ` Thomas Fjellstrom [this message]
2011-08-09 15:01 ` Thomas Fjellstrom
2011-08-10 15:03 ` Philipp Hahn
2011-08-09 15:33 ` Nick
2011-08-11 6:38 ` Avi Kivity
2011-08-11 16:37 ` Thomas Fjellstrom
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