Re: [Xen-devel] Freeze with 2.6.32.19 and xen-4.0.1rc5

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Mon, Aug 23, 2010 at 10:01:06AM +0200, Claus Rosenberger wrote:
> Am 22.08.2010 00:08, schrieb Claus Rosenberger:
> >  Am 21.08.2010 16:02, schrieb Pasi Kärkkäinen:
> >> On Sat, Aug 21, 2010 at 03:47:57PM +0200, Claus Rosenberger wrote:
> >>>  Hi,
> >>>
> >>> i have big trouble with a Debian Lenny dom0 and latest kernel 2.6.32.19
> >>> with xen-4.0.1rc5. Due some reason the system freezes from time to time.
> >>> I used kernel 2.6.31.9 with xen-3.4.2 before. The machine doesn't write
> >>> anything to serial console so there are no errors or something like that.
> >>>
> >>> Perhaps there is something to see from the logs ...
> >>>
> 
> 
> 
> I did some tests and get a configuration working
> 
> title         Xen 4.0-amd64 / Debian GNU/Linux, kernel 2.6.32.19
> root          (hd0,0)
> kernel                /boot/xen-4.0-amd64.gz dom0_mem=524288 console=com1 
> com1=115200,8n1,0xf1c0,0  sync_console
> loglvl=all guest_loglvl=all acpi=ht noapic noirqbalance
> module                /boot/vmlinuz-2.6.32.19 root=/dev/md0 ro console=tty0 
> console=hvc0 nomodeset
> module                /boot/initrd.img-2.6.32.19
> 
> 
> With "acpi=ht noapic noirqbalance" it seems to be stable.
> 
> Without that options i get freezes soon after rebooting but there are no logs 
> an the serial output.
> Kernel 2.6.31.14 didn't work as well  and the other working kernel without 
> that acpi options is
> 2.6.31.9 but thats not a pvops kernel.
> 

Does someone have ideas why the system would silently lockup (freeze)
without those "acpi=ht noapic noirqbalance" options? 

Afaik this is an Intel DQ45CB motherboard, which has been used by many 
people/developers.

-- Pasi


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