From: Max Kellermann <max@duempel.org>
To: Jan Niehusmann <jan@gondor.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: KVM guest lockup
Date: Mon, 22 Dec 2008 11:57:38 +0100 [thread overview]
Message-ID: <20081222105738.GA27409@squirrel.roonstrasse.net> (raw)
In-Reply-To: <20081221115538.GA25958@x61s.gondor.com>
On 2008/12/21 12:55, Jan Niehusmann <jan@gondor.com> wrote:
> As I observed such behaviour only when the host has frequency
> scaling activated: Could it be that in this case,
> clocksource_read(clock) on the guest is misbehaving?
Indeed, the host had governor=ondemand. After the switch to
"performance", the guest seems to run stable.
So this is a bug in the guest kernel, by making wrong assumptions on
the clock values retrieved from the host, right?
Max
prev parent reply other threads:[~2008-12-22 10:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-19 17:44 Max Kellermann
2008-12-20 12:15 ` Jan Niehusmann
2008-12-21 11:55 ` Jan Niehusmann
2008-12-22 10:57 ` Max Kellermann [this message]
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