From: Thomas Treutner <thomas@scripty.at>
To: Espen Berg <espen@monsternett.no>
Cc: kvm@vger.kernel.org
Subject: Re: Timedrift in KVM guests after livemigration.
Date: Thu, 22 Apr 2010 09:40:44 +0200 [thread overview]
Message-ID: <201004220940.44920.thomas@scripty.at> (raw)
In-Reply-To: <4BCAD1F8.1080903@monsternett.no>
On Sunday 18 April 2010 11:33:44 Espen Berg wrote:
> All guest are Debian lenny with latest upstream kernel, hvm/kvm.
>
> We are using kvm-clock as guest source clock.
>
> cat /sys/devices/system/clocksource/clocksource0/current_clocksource
> kvm-clock
I had to deactivate C1E (AMD CPUs) and use acpi clocksource (for both servers
and VMs, IIRC). If you can, you should give it a try. After that, live
migration worked somewhat stable.
regards,
thomas
next prev parent reply other threads:[~2010-04-22 8:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-15 7:35 Timedrift in KVM guests after livemigration Espen Berg
2010-04-17 19:52 ` Espen Berg
2010-04-17 20:17 ` Michael Tokarev
2010-04-17 23:21 ` Espen Berg
2010-04-18 9:22 ` Dor Laor
2010-04-18 9:33 ` Espen Berg
2010-04-22 7:40 ` Thomas Treutner [this message]
2010-04-18 9:56 ` Gleb Natapov
2010-04-19 9:21 ` Espen Berg
2010-04-19 9:29 ` Gleb Natapov
2010-04-19 11:57 ` Dor Laor
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