Bug#1112627: linux-image-6.16.3+deb14-amd64: Intel audio no longer works: DMAR: [DMA Write NO_PASID] Request device [00:1b.0] ... non-zero reserved fields in PTE

[Salvatore Bonaccorso <carnil@debian.org>]

Hi Francesco,

On Mon, Sep 29, 2025 at 10:49:34PM +0200, Francesco Poli wrote:
> On Sun, 7 Sep 2025 13:01:16 +0200 Francesco Poli wrote:
> 
> [...]
> > Wow, a long list of tests!   ;-)
> > Honestly, I don't know when (or if) I can get around to performing all
> > these tests...
> > I guess we will see.
> 
> OK, a first update.
> Via snapshot.debian.org service, I performed a manual search, with the
> following results:
> 
>   6.13~rc6-1~exp1    BAD
>   6.12.43-1          good
>   6.12.41-1          good
>   6.12.38-1          good
> 
> So I guess I now have to bisect between v6.12 and v6.13-rc6, right?

Yes that brings us already quite closer. So next would be to try to
bisect between v6.12 and v6.13-rc6 upstream.

Regards,
Salvatore