Re: kvm-84 kernel panic

[Marcelo Tosatti <mtosatti@redhat.com>]

On Wed, Mar 04, 2009 at 02:10:30PM +0100, Johannes Baumann wrote:
> Hi,
> 
> i had serveral kernel panics in the last days on a DELL R300.
> First i had ubuntu 8.10 running with latest kvm compiled.
> the panic looked like this: http://memic.paniert.org/screen.png
> 
> The impi log looks like this
> 
>  2d | 02/19/2009 | 02:54:31 | Processor #0x0d | Transition to
> Non-recoverable
>   2e | 02/19/2009 | 02:54:32 | Processor #0x60 | IERR | Asserted
>   32 | 02/19/2009 | 14:55:52 | Processor #0x0d | Transition to
> Non-recoverable
>   33 | 02/24/2009 | 23:00:14 | Processor #0x0d | Transition to
> Non-recoverable
>   37 | 02/25/2009 | 22:58:02 | Processor #0x0d | Transition to
> Non-recoverable
>   38 | 03/03/2009 | 13:59:03 | Processor #0x0d | Transition to
> Non-recoverable
>   39 | 03/03/2009 | 17:41:34 | Processor #0x0d | Transition to
> Non-recoverable
>   3a | 03/04/2009 | 07:41:02 | Processor #0x0d | Transition to
> Non-recoverable
>   3b | 03/04/2009 | 11:03:23 | Processor #0x0d | Transition to
> Non-recoverable
>   3c | 03/04/2009 | 11:03:26 | Processor #0x60 | IERR | Asserted
>   3d | 03/04/2009 | 11:08:16 | Processor #0x60 | IERR | Deasserted
> 
> Right now i have fedora 10 as host system running, with the newest kvm
> version. My CPU is Intel(R) Xeon(R) CPU X3363  @ 2.83GHz Quadcore.
> I have 2 Windows 2003 Enterprise Domains running at almost no load.
> Im not sure when to panic happens but it think its reproducable if the
> guest systems are under load.
> 
> What can i do to get more debug information?

http://en.wikipedia.org/wiki/Machine_Check_Exception

See the "Decoding MCEs" section.