On Jun 18, 2007, at 4:32 PM, Manuel Bouyer wrote:

> On Mon, Jun 18, 2007 at 09:08:41AM +0200, Marcin Jessa wrote:
>> On Saturday 09 June 2007 02:00, Jed Davis wrote:
>>> Jed Davis <jdev@panix.com> writes:
>>>> mlelstv@serpens.de (Michael van Elst) writes:
>>>>> When running XFree86 I get regular (about every minute)
>>>>> pms0 resets and sometimes pckbport command timeouts.
>>>>>
>>>>> Does anyone else see the same?
>>>>
>>>> I get the latter occasionally, but the situation is different:  
>>>> there's
>>>> usually a hang during autoconf[*], and pressing a key unsticks  
>>>> it, and
>>>> also sometimes gives the timeout message.
>>>
>>> Also, this seems to occur either before or after probing my USB
>>> trackball, for what it's worth.
>>
>> I noticed the same after I upgraded my XEN to 3.1.0 and kernel to  
>> 4.99.20
>> I need to press a key to make it proceed. This happens when  
>> probing my USB
>> HDs.
>> It worked fined with the former XEN version.
>
> Looks like an interrupt issue; did you try playing with ACPI options ?

As you can see below I have ACPI disabled:

title Xen 3.0.4 /(HDD1)
   root(hd0,e)
   kernel (hd0,e)/xen.gz dom0_mem=262144 noapic acpi=off nosmp
   module (hd0,e)/netbsd root=/dev/hda1 ro console=pc elevator=cfq

The kernel option is disabled as well:
#acpi0          at hypervisor?


Marcin Michal Jessa
http://www.yazzy.org/