Re: kvm-84 kernel panic

[Ryan Harper <ryanh@us.ibm.com>]

* Johannes Baumann <johannes.baumann@gmx.de> [2009-03-05 15:52]:
> update: its not only happening with smp guest, but with non-smp guest.
> mcelog is empty. the commandline for a debian lenny im using is:
> 
> /usr/src/kvm-84/qemu/x86_64-softmmu/qemu-system-x86_64 -S -M pc -m 512
> -smp 1 -name vm03 -uuid 0b5e3a60-9111-0289-84b5-98cdf27450ac -monitor
> pty -boot c -drive
> file=/kvm/domains/linux-test/image.img,if=ide,index=0,boot=on -drive
> file=,if=ide,media=cdrom,index=2 -net
> nic,macaddr=54:52:00:0b:a1:26,vlan=0 -net
> tap,fd=12,script=,vlan=0,ifname=vnet0 -serial none -parallel none -usb
> -vnc 127.0.0.1:0

you'll want -L /usr/src/kvm-84/qemu/pc-bios to ensure you use the bios
that came with kvm-84 instead of some other location.

> 
> (i know the path looks weird but its ok, i didnt want to do a make
> install, the right modules are also loaded)
> 
> if i add -no-kvm the host just seem to run fine..
> 
> johannes
> 
> 
> 
> Marcelo Tosatti schrieb:
> > 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.
> > 
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> 
> 
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-- 
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
ryanh@us.ibm.com