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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

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On Thu, 20 Nov 2025 13:15:58 +0100 Salvatore Bonaccorso wrote:

[...]
> On Sun, Nov 16, 2025 at 05:43:05PM +0100, Salvatore Bonaccorso wrote:
> > Hi,
> > 
> > On Wed, Nov 12, 2025 at 10:44:00PM +0100, Francesco Poli wrote:
[...]
> > > OK, looking forward to receiving further feedback.
> > > 
> > > As always, thank you so much for your kind assistance!   :-)
> > 
> > I keep the answer short after we discussed it as promissed.
> > 
> > You can pass in as well other PCI devices for instance, say maybe pass
> > a USB controller in, or a NIC. But really if you never used that for
> > your usecase, our proposal is now to just keep IOMMU disabled (either
> > via BIOS setting, or via kernel command line parameter) and consider
> > this (even not solved in the most optimal way) "done".
> 
> And we agreed in yesterday's meeting since we have a workaround here,
> and no further ideas to move on and close the bug, which I'm doing
> now.

OK, I'll keep VT-d disabled in the UEFI configuration, for the time
being.

Please come back to me, in case some new fact arises in the future.
Thank you so much!

Bye.


-- 
 http://www.inventati.org/frx/
 There's not a second to spare! To the laboratory!
..................................................... Francesco Poli .
 GnuPG key fpr == CA01 1147 9CD2 EFDF FB82  3925 3E1C 27E1 1F69 BFFE

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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 "Francesco Poli (wintermute)" <invernomuto@paranoici.org> - 2025-08-31 14:50 +0200
  Processed: Re: 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 "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-09-06 14:00 +0200
  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> - 2025-09-06 14:00 +0200
    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 Francesco Poli <invernomuto@paranoici.org> - 2025-09-07 13:20 +0200
      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 Francesco Poli <invernomuto@paranoici.org> - 2025-09-29 23:10 +0200
  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 Francesco Poli <invernomuto@paranoici.org> - 2025-10-05 18:50 +0200
  Processed: Re: 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 "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-10-05 21:00 +0200
  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 Francesco Poli <invernomuto@paranoici.org> - 2025-10-05 21:30 +0200
    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> - 2025-10-11 17:30 +0200
      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 Francesco Poli <invernomuto@paranoici.org> - 2025-10-11 19:00 +0200
        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> - 2025-10-17 15:50 +0200
          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 Francesco Poli <invernomuto@paranoici.org> - 2025-10-18 13:20 +0200
            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> - 2025-10-25 17:00 +0200
              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 Francesco Poli <invernomuto@paranoici.org> - 2025-10-25 17:40 +0200
                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> - 2025-10-26 14:10 +0100
              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 Francesco Poli <invernomuto@paranoici.org> - 2025-10-26 23:40 +0100
                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 Francesco Poli <invernomuto@paranoici.org> - 2025-11-06 00:00 +0100
                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> - 2025-11-11 13:50 +0100
                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 Francesco Poli <invernomuto@paranoici.org> - 2025-11-12 22:50 +0100
                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> - 2025-11-16 17:50 +0100
  Processed: Re: 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 "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-10-17 15:50 +0200
  Processed: Re: 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 "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-10-25 17:00 +0200
  Bug#1112627: marked as done (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) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-11-20 13:20 +0100
  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 Francesco Poli <invernomuto@paranoici.org> - 2025-11-24 23:40 +0100
    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> - 2025-11-26 08:50 +0100

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