Bug#1109676: linux-image-6.12.35+deb13-amd64: Regression in host kernel breaks VM VFIO graphics

To: 1109676@bugs.debian.org
Subject: Bug#1109676: linux-image-6.12.35+deb13-amd64: Regression in host kernel breaks VM VFIO graphics
From: Jonathan Howard <jonathan@unbiased.name>
Date: Wed, 23 Jul 2025 20:00:57 +0000 (UTC)
Message-id: <[🔎] 514b8e73-f50c-417f-8641-572e46d4d5d2@unbiased.name>
Reply-to: Jonathan Howard <jonathan@unbiased.name>, 1109676@bugs.debian.org
References: <[🔎] 175312697077.4411.17900607178419129250.reportbug@stable.host.arpa>

I spent time figuring out from it main patch was initially working.

Just as I read the recommended upstream report method while composing anemail; I looked on the maintainer list.


Spotted related post. Same regression bisect.

https://lore.kernel.org/linux-iommu/721D44AF820A4FEB+722679cb-2226-4287-8835-9251ad69a1ac@bbaa.fun/T

Can confirm the patch correction fixes my regression.
Just waiting for queue.

Reply to:

Follow-Ups:
- Bug#1109676: linux-image-6.12.35+deb13-amd64: Regression in host kernel breaks VM VFIO graphics
  - From: Salvatore Bonaccorso <carnil@debian.org>

References:
- Bug#1109676: linux-image-6.12.35+deb13-amd64: Regression in host kernel breaks VM VFIO graphics
  - From: Jonathan <jonathan@unbiased.name>

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