On Fri, Aug 26, 2011 at 09:10:55AM +0200, Sander Eikelenboom wrote:
> Hello Anthony,
>
> Perhaps you could try running with xend instead of the xl toolstack ?
> Since you have also changed the hypervisor version to 4.1.1, i think you were
> previously using xend instead of xl ?
>
> So in theory it could also be a problem in the xl toolstack causing the extra
> qemu processes when building the domain.
>
Are you using pvfb for the domU?
If yes, pvfb needs qemu-dm for the VNC server..
-- Pasi
>
> Sander
>
> Thursday, August 25, 2011, 11:11:44 PM, you wrote:
>
> > On 19/08/2011 13:56, Konrad Rzeszutek Wilk wrote:
> >> On Fri, Aug 19, 2011 at 11:22:15AM +0100, Anthony Wright wrote:
> >>> On 03/08/2011 16:28, Konrad Rzeszutek Wilk wrote:
> >>>> On Fri, Jul 29, 2011 at 08:53:02AM +0100, Anthony Wright wrote:
> >>>>> I've just upgraded to xen 4.1.1 with a stock 3.0 kernel on dom0 (with
> >>>>> the vga-support patch backported). I can't get my DomU's to work due to
> >>>>> the phy disks and vifs timing out in DomU and looking through my logs
> >>>>> this morning I'm getting a consistent kernel bug report with xen
> >>>>> mentioned at the top of the stack trace and vifdisconnect mentioned on
> >>>> Yikes! Ian any ideas what to try?
> >>>>
> >>>> Anthony, can you compile the kernel with debug=y and when this happens
> >>>> see what 'xl dmesg' gives? Also there is also the 'xl debug-keys g' which
> >>>> should dump the grants in use.. that might help a bit.
> >>> I've compiled a 3.0.1 kernel with CONFIG_DEBUG=Y (a number of other
> >>> config values appeared at this point, and I took defaults for them).
> >>>
> >>> The output from /var/log/messages & 'xl dmesg' is attached. There was no
> >>> output from 'xl debug-keys g'.
> >> Ok, so I am hitting this too - I was hoping that the patch from Stefano
> >> would have fixed the issue, but sadly it did not.
> >>
> >> Let me (I am traveling right now) see if I can come up with an internim
> >> solution until Ian comes with the right fix.
> >>
> > On different hardware with the same software I'm also getting problems
> > starting DomUs, but this time the error is different. I've attached a
> > copy of the xl console output, but basically the server hang at
> > "Mount-cache hash table entries: 512". Again the VM is paravirtualised,
> > and again I get a qemu-dm process for it.
>
> > The references to this message are normally related to memory issues,
> > but the server has only 1000M of ram, so can't see it causing too much
> > of a problem.
>
> > Is this related to the other problems I'm seeing or completely separate?
>
> > thanks,
>
> > Anthony
>
>
>
>
>
> --
> Best regards,
> Sander mailto:linux@xxxxxxxxxxxxxx
>
>
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