[fedora-virt] Guest kernel hanging at '...trying to set up timer as Virtual Wire IRQ...'

Mark McLoughlin markmc at redhat.com
Wed May 13 08:48:58 UTC 2009


On Tue, 2009-05-12 at 23:16 +0100, Richard W.M. Jones wrote:
> On Tue, May 12, 2009 at 10:48:41PM +0100, Daniel P. Berrange wrote:
> > On Tue, May 12, 2009 at 10:19:32PM +0100, Richard W.M. Jones wrote:
> > > 
> > > I've got the guest kernel hanging randomly at:
> > > 
> > >   ACPI: Core revision 20090320
> > >   ftrace: converting mcount calls to 0f 1f 44 00 00
> > >   ftrace: allocating 18780 entries in 37 pages
> > >   ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
> > >   ..MP-BIOS bug: 8254 timer not connected to IO-APIC
> > >   ...trying to set up timer (IRQ0) through the 8259A ...
> > >   ..... (found apic 0 pin 0) ...
> > >   ....... failed.
> > >   ...trying to set up timer as Virtual Wire IRQ...
> > > 
> > > This is the very latest on Rawhide.  Full packages, versions, etc in
> > > the build log here:
> > 
> > Last time I saw this error was due a KVM build problem causing it to 
> > use the wrong BIOS. ie it was using the plain QEMU bios, instead of the
> > KVM modified bios.
> 
> I've never had this error happening on my local machines.  However
> this situation is a bit confusing - this is running in Koji, where the
> kernel is RHEL 5.(?), I believe the whole thing is running in Xen, and
> the userspace is QEMU from Rawhide.

As Daniel says, I've seen this happen when /usr/share/qemu/bios.bin was
the stock bochs BIOS and not the KVM specific BIOS.

Sounds like the kvm-85 build recently pushed to devel/ is busted.

Cheers,
Mark.




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