Re: Guest hangs after some stress tests

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, May 17, 2012 at 11:19:04PM +0300, Gleb Natapov wrote:
> On Thu, May 17, 2012 at 10:14:35PM +0200, Sasha Levin wrote:
> > On Thu, May 17, 2012 at 10:05 PM, Gleb Natapov <gleb@xxxxxxxxxx> wrote:
> > > On Thu, May 17, 2012 at 09:49:08PM +0200, Sasha Levin wrote:
> > >> Hi all,
> > >>
> > >> I've observed a guest hang after putting a little stress testing on
> > >> it. It basically hangs in ~10 secs after running several trinity
> > >> instances inside a KVM tools guest.
> > >>
> > > And do you set hypervisor bit in KVM tool?
> > 
> > We're basically forwarding the cpuid of the host, so I assume that no?
> You really should, but hang shouldn't happen anyway.
> 
> --
> 			Gleb.

If kvmclock is not enabled a number of problems arise (miscalibrated
loops per jiffy, sched_clock using tsc's out of sync on smp). Should
set the hypervisor cpuid bit (see 49ab56ac6e1b907b7da).

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux