Re: [Xen-users] pci-passthrough to a pv domu worked in xen 4.2.2, but not in 4.3.0 (solved; works in 4.3.1)

[Dieter Bloms <dieter@xxxxxxxx>]

Hi,

On Mon, Oct 07, Dieter Bloms wrote:

> > > my dom0 is an alpinelinux installed with kernel 3.10.14-1-grsec and xen
> > > 4.2.2.
> > > My domU is an opensuse 12.3 with all patches installed.
> > > The system works great, but when I do only switch xen from 4.2.2 to
> > > 4.3.0 (packages from http://nl.alpinelinux.org/alpine/edge/main/x86_64/)
> > > then my kernel in the domU does an Oops and the drivers for my dvb card
> > > aren't loaded successfully.
> > >
> > > When I switch back to xen 4.2.2 (packages from
> > > http://nl.alpinelinux.org/alpine/v2.6/main/x86_64/) it works great.
> > >
> > > Does anybody have a clue, what I can do to get it working ?
> > >
> > > I've attached my domU config, output of lspci -v and the dmesg, from the
> > > domU.
> > >
> > >
> > The default device model was changed with 4.3.0 and the new one isn't
> > currently as compatible. Try adding the following line into your config to
> > use the traditional model again:
> > 
> > *device_model_version = "qemu-xen-traditional"
> 
> this doesn't help.
> As far as I can see this is for hvm domUs, only.
> I have to use pv domUs, because of missing IOMMU.
> 
> I've tried pci=nomsi for domU kernel, but also no success.

today I tried xen 4.3.1 anddvb drivers were loaded succesfully.
It worked with the exact same config as for 4.2.2.


-- 
Best regards

  Dieter

--
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