Re: [Xen-users] shutdown of pci-paththrough-domU freezes dom0

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Jan 14, 2010 at 03:57:43PM +0100, Christian Kniep wrote:
> Sorry for being late; the Machine is kind of my productive system. :)
> I now switched to a kernel I used in an old installation. (2.6.27.5)
> Now there are no problems with the passthrough. I will try to figure  
> out what differs between the kernel and another 2.6.27.5 I tryed which  
> fails and follow up.
> 

No problems. 

It would be good to figure out the problem, to get it fixed in pv_ops
dom0 kernel.

-- Pasi

> Thx
> 
> 
> Am 09.01.2010 um 15:25 schrieb Pasi Kärkkäinen:
> 
> >On Sat, Jan 09, 2010 at 04:20:01PM +0200, Pasi Kärkkäinen wrote:
> >>On Sat, Jan 09, 2010 at 12:59:01PM +0100, Christian Kniep wrote:
> >>>Hi there,
> >>>
> >>>I faces an issue I try to solve a couple of days.
> >>>When I start a domain without pci-passthrough I can shutdown,  
> >>>destroy it without problems.
> >>>If I pass a pci-device through the domain (e.g. dvb-cards) it  
> >>>freezes the hole system when it shut down. On the local terminal I  
> >>>see a load-increase through the roof.
> >>>The gnome-systemmon-tray refreshs, the rest of the system doesn?t  
> >>>respond.
> >>>A htop in a local terminal freezes like the rest of the desktop,  
> >>>network, etc..
> >>>
> >>>I run 3.4.2 with an 2.6.31.6-kernel from jeremy:
> >>>git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
> >>>
> >>>My guess would be it depends on the pci-passthrough and IRQ- 
> >>>release... :)
> >>>But I`m kind of stuck here. Maybe anyone face this issue too and  
> >>>could give a hint.
> >>>
> >>>Thanks and a happy new year to everyone..
> >>>
> >>
> >>Sounds like a bug.
> >>Did you try different dom0 kernel?
> >>
> >>Might be worth trying linux-2.6.18-xen in dom0, and see if that works
> >>better.
> >>
> >>That would at least tell you if the bug is in Xen or in dom0 kernel.
> >>
> >>http://wiki.xensource.com/xenwiki/XenDom0Kernels
> >>
> >
> >Also it would be good to set up a serial console.. then you could log
> >the (possible) error or crash messages and we could figure out the
> >actual problem.
> >
> >-- Pasi
> 


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