Re: KVM guest lockup

From: Max Kellermann
Date: Mon Dec 22 2008 - 05:57:52 EST


On 2008/12/21 12:55, Jan Niehusmann <jan@xxxxxxxxxx> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/