Re: [Xen-devel] Regression with Xen 4.4 when booting with AMD IOMMU on TA890FXE BIOSTAR

[Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>]

On 12/19/2013 8:43 PM, Konrad Rzeszutek Wilk wrote:
> > > (XEN) AMD-Vi: per-device vector map logic is broken.  Using per-device-global 
> > > maps instead until a fix is found.
> > Looks like IOAPIC definition is missing from IVRS. The one that's
> > listed (0000:00:00.1 variety 0x1 handle 0x6) is usually unused IIRC.
> > I'd expect an entry for the second one (that lives on the
> > southbridge), such as
> >      AMD-Vi: IVHD Special: 0000:00:14.0 variety 0x1 handle 0
> >
> > And page faults that you are seeing may also be related to this
> > since 0xa0 is 00:14.0.
> >
> > BIOS update might help with this problem (looks like Biostar has a
> > newer BIOS for this board) but I think this should be fixed so maybe
> > you want to keep this BIOS until a fix is developed.
> OK.
> > You could try booting with iommu=no-intremap to work around this in
> > the meantime.
> That did make it boot. Thanks!
I can reproduce the issue also and I am looking into this. I will update 
once I found the issue.
Suravee


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel