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

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From	Salvatore Bonaccorso <carnil@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1109676: linux-image-6.12.35+deb13-amd64: Regression in host kernel breaks VM VFIO graphics
Date	Thu, 24 Jul 2025 15:30:01 +0200
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Hi

On Wed, Jul 23, 2025 at 11:38:45PM +0200, Salvatore Bonaccorso wrote:
> Control: tags -1 - moreinfo
> Control: forwarded -1 https://lore.kernel.org/linux-iommu/721D44AF820A4FEB+722679cb-2226-4287-8835-9251ad69a1ac@bbaa.fun/T
> 
> Hi,
> 
> On Wed, Jul 23, 2025 at 08:00:57PM +0000, Jonathan Howard wrote:
> > I spent time figuring out from it main patch was initially working.
> > Just as I read the recommended upstream report method while composing an
> > email; 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.
> 
> Thank you! So it should land in 6.12.y upstream soonish. Right now we
> might defer a fix to the first trixie point release or the first DSA.

FTR, this fix has been included in the 6.12.40 release of today.

Regards,
Salvaotre

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Bug#1109676: linux-image-6.12.35+deb13-amd64: Regression in host kernel breaks VM VFIO graphics Salvatore Bonaccorso <carnil@debian.org> - 2025-07-23 23:50 +0200
  Processed: Re: Bug#1109676: linux-image-6.12.35+deb13-amd64:  Regression in host kernel breaks VM VFIO graphics "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-07-23 23:50 +0200
  Bug#1109676: linux-image-6.12.35+deb13-amd64: Regression in host kernel breaks VM VFIO graphics Salvatore Bonaccorso <carnil@debian.org> - 2025-07-24 15:30 +0200

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