Re: can't boot 2.6.26-rcX

Bernd Schubert
2008-05-15T16:47:44Z

On Thursday 15 May 2008 12:54:46 Avi Kivity wrote:
> Bernd Schubert wrote:
> > On Thursday 15 May 2008 09:36:41 Avi Kivity wrote:
> >> Bernd Schubert wrote:
> >>> Hello,
> >>>
> >>> there is a problem booting 2.6.26-rcX (X=1,2). It stops booting at
> >>>
> >>> Calibrating delay using timer specific routine.. 4016.92 BogoMIPS
> >>> (lpj=8033846)
> >>>
> >>> The kvm process then takes 100% of my host CPU.
> >>>
> >>> This is with kvm-67 on an AM64-X2-
> >>>
> >>> I'm not yet familiar with kvm and debugging. Will a sysrq+t trace of
> >>> the host show something useful? Or will only full git-bisect help?
> >>
> >> Do you have CONFIG_KVM_GUEST or CONFIG_KVM_CLOCK in your config? If so,
> >> this may be a paravirt problem. Try turning them off and let us know.
> >
> > Thanks, I had both options enabled. Disabling these makes the
>
> Can you check which one causes the trouble? Most likely it's the clock.

It is CONFIG_KVM_GUEST, with CONFIG_KVM_CLOCK=y is boots fine!

Thanks,
Bernd

--
Bernd Schubert
Q-Leap Networks GmbH