Re: [Xen-users] Xen 4.0.1 crashing

[Kiss Karoly <crash@xxxxxxxxx>]

On 2010/12/04 14:01, Mark Pryor wrote:
> > > > I have a problem with Xen 4.0.1 crashing on my
> > box running
> > > > Debian
> > > > unstable.
> > > > 
> > > > Hardware specs:
> > > > Intel Core i3 CPU
> > > > Gigabyte P55-UD3L mainboard with virtualization
> > enabled
> > > > 4G RAM
> > > > 320G SATA disk 
> > > > 
> > > > I managed to get a crash log using a serial
> > console,
> > > > http://pastebin.com/6VcByQD4
> > > > 
> > > > Could anyone give me a hint on what next ?
> > Thanks for the reply Mark.
> > 
> > > 
> > > If that is the i3-530 then it has amd64 support. I see
> > some bug reports for debain about 2.6.32-5-xen-686 and PAE.
> > It's an i3-550.
> > 
> > > Your best bet is to redo everything to x86_64/amd64.
> > Tried Xen 4.0.1 amd64 + 2.6.32-5-amd64 from stock debian
> > unstable.
> > The same result, only it crashes a lot sooner:
> > 
> > [    0.000000] Initializing cgroup subsys cpuset
> > (XEN) d0:v0: unhandled page fault (ec=0000)
> > (XEN) Pagetable walk from ffff812000002480:
> > 
> > Any other ideas ?
> 
> Well the RAM might be under-powered. If the RAM-Volts are still default, I 
> would raise it up (maybe 2 notches) and test with memtest.
> 
> Also in the Advanced Bios you will find HPET (should be on). C2/C4 should be 
> off. And no CPU power throttling is necessary - disable `CPU EIST`.
> 
> Good overview of bios settings for P45 is here
> http://www.tomshardware.com/forum/263989-30-bios-settings-gigabyte-ep45-ud3p
> 
> I hope the P55 is similar.

Tried all this with no success, but I found a thread on xen-devel, where 
someone else had this same problem.
http://lists.xensource.com/archives/html/xen-devel/2010-08/msg00888.html
Turns out that the debian unstable 2.6.32-5-xen-686 kernel loaded in dom0 was 
causing all the havoc.
Tried an older kernel 2.6.26-2-xen which worked with both hypervisors 32/64 
bits, but had problems with AHCI ...
Without AHCI the system started up fine, then the nv driver failed to recognize 
my Nvidia 460 GTX video card,
and nvidia factory drivers don't support xen so I might have to postpone 
playing with xen for a while.

Thanks for the help anyway.

Regards,
Kiss Karoly

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