Pkg xen devel - Jun 2021 - Bug#989778: Regression in at least 5.10.y and mainline: Firewire audio interface fails to work properly (when booted under Xen)

Hi,

On Sun, Jun 27, 2021 at 04:17:03AM +1000, ??? wrote:
> On Thu, 24 Jun 2021 at 04:50, Salvatore Bonaccorso <carnil at
debian.org>
> wrote:
> 
> > Hi Robin,
> >
> > On Mon, Jun 14, 2021 at 02:29:08PM +0100, Robin Murphy wrote:
> > > On 2021-06-13 07:29, Salvatore Bonaccorso wrote:
> > > > A user in Debian reported the above issue, which was
reproducible with
> > > > 5.13-rc5 and 5.10.y as packaged in Debian and found that
85a5a6875ca9
> > > > ("swiotlb: don't modify orig_addr in
swiotlb_tbl_sync_single") that
> > > > introduced the issue.
> > >
> > > Sounds like it's probably the same thing as being discussed
over here:
> > >
> > >
> >
https://lore.kernel.org/linux-iommu/2e899de2-4b69-c4b6-33a6-09fb8949d2fd at
nxp.com/
> >
> > Thanks for the pointer, it seems that now it has been fixed upstream
> > with 5f89468e2f06 ("swiotlb: manipulate orig_addr when tlb_addr
has
> > offset").
> >
> 
> I've checked out upstream v5.13
b7050b242430f3170e0b57f5f55136e44cb8dc66
> (which includes the above commit) and confirmed that my issue is now
> resolved.
> Now to wait for it to reach Debian :)
The commit has been backported and queued for 5.10.y now as well, so
will reach Debian as well. I'm cherry-picking the commit as well in
the packaging repository.

Regards,
Salvatore