From: Anthony Liguori <anthony-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
To: Tomasz Chmielewski <mangoo-Nem3ZqsbT/g@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: rtc: lost some interrupts at 1024Hz.
Date: Fri, 13 Apr 2007 10:10:23 -0500 [thread overview]
Message-ID: <461F9D5F.1090009@codemonkey.ws> (raw)
In-Reply-To: <461F70FF.9010704-Nem3ZqsbT/g@public.gmane.org>
Tomasz Chmielewski wrote:
> Whenever I start a guest, I get kernel log filled with "rtc: lost some
> interrupts at 1024Hz".
>
Does rebooting the host machine with nolapic on the kernel command line
help?
What sort of system are you using?
Regards,
Anthony Liguori
> What's the reason for it?
>
>
> I searched the archives, and it looks that this problem did already
> happen for a couple of people.
>
> Also in my case, it looks that KVM is not the problem here, but Qemu.
>
>
> Searching Qemu forums revealed one such report with no reply[1].
>
> Searching Qemu-devel list revealed one report, with no solution[2]
>
> Because of that, the performance is really bad.
>
> Is there a solution for that? I use kvm-intel, if needed, I can attach
> kernel .config.
>
>
> [1] http://qemu-forum.ipi.fi/viewtopic.php?t=1468
> [2] http://lists.gnu.org/archive/html/qemu-devel/2006-07/threads.html#00193
>
>
>
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next prev parent reply other threads:[~2007-04-13 15:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-13 12:01 rtc: lost some interrupts at 1024Hz Tomasz Chmielewski
[not found] ` <461F70FF.9010704-Nem3ZqsbT/g@public.gmane.org>
2007-04-13 15:10 ` Anthony Liguori [this message]
[not found] ` <461F9D5F.1090009-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2007-04-13 15:13 ` Tomasz Chmielewski
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