Re: [kvm-devel] [BUG] Oops with KVM-27

From: Luca Tettamanti
Date: Mon Jun 04 2007 - 17:22:51 EST


Il Mon, Jun 04, 2007 at 11:51:10PM +0300, Avi Kivity ha scritto:
> > While doing repeated tests with the installer I ran into another
> > (unrelated) problem. Sometimes the guest kernel hangs at boot at:
> >
> > NET: Registered protocol family 2
> >
> > with any kind of networking options (except for -net none, which works).
> > With -no-kvm it boots with any networking option.
> >
> >
>
> Can you try to pin the guest on a single core with taskset:
>
> taskset 1 qemu ...

Doesn't help. What works is 'nolapic', i.e. disabling the local APIC on
the guest kernel.
I've also tried disabling TSC (notsc) and forcing PIT as the clocksource
(clocksouce=pit clock=pit); neither of them helped.

Luca
--
Il dottore mi ha detto di smettere di fare cene intime per quattro.
A meno che non ci siamo altre tre persone.
-
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/