Re: [Xen-users] Xen 4.0.1 HVM 2008R2 Citrix PV Drivers

[Keith Coleman <list.keith@xxxxxxxxxxx>]

On Wed, Mar 23, 2011 at 8:10 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> On Thu, Mar 24, 2011 at 10:55:21AM +1100, James Harper wrote:
>> >
>> > On Wed, Feb 23, 2011 at 03:18:06PM -0500, Keith Coleman wrote:
>> > > On Wed, Feb 23, 2011 at 11:09 AM, Roy T. Collins
>> > > <RTC@xxxxxxxxxxxxxxxxxxx> wrote:
>> > > > Do you have any info on what might be needed?  I have been searching 
>> > > > the
>> > list archives and google and I cant seem to find any leads on what to look
>> > for.  Any points would be appreciated.
>> > > >
>> > > > There must not be many on the list that are using the Citrix PV 
>> > > > drivers.
>> > >
>> > > XCP 0.1.1 winpv drivers work on xen.org 3.4.3 and 4.x.
>> > >
>> > > XCP 0.5 and 1.0beta drivers work with some extra effort. Execute the
>> > > following commands in dom0 when Windows hangs on boot:
>> > > xenstore-rm /local/domain/0/backend/console/[domU_id]
>> > > xenstore-rm /local/domain/0/backend/vfb/[domU_id]
>> > >
>> > > Eventually I'll submit a patch so the newer XCP drivers will just work.
>> > >
>> >
>> > A patch for this would be very much appreciated!
>> >
>>
>> Is the timing of the 'xenstore-rm' command critical? If not you could put it 
>> in a shell script in /usr/lib/xen/bin that calls qemu-dm and call that from 
>> your script file instead. I do that when I want to turn off log throttling 
>> eg:
>>
>> #!/bin/sh
>> /usr/bin/xenstore-write /local/domain/$2/log-throttling 0
>> exec /usr/lib64/xen/bin/qemu-dm $@
>>
>> just replace my call to xenstore-write with your calls to xenstore-rm
>>
>> Of course if the timing is critical and it has to be done when windows hangs 
>> it will be a bit harder...
>>
>
> Thanks for the hint! I'm not sure if it's timing sensitive..
>

It's not sensitive so this will work.

--

Keith Coleman

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