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Your message dated Thu, 28 Aug 2025 17:02:29 +0000
with message-id
and subject line Bug#1109676: fixed in linux 6.12.41-1
has caused the Debian Bug report #1109676,
regarding linux-image-6.12.35+deb13-amd64: Regression in host kernel breaks
VM
VFIO graphics
to be marked as done.
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If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1109676: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1109676
Debian Bug Tracking System
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From: Jonathan
To: Debian Bug Tracking System
Subject: linux-image-6.12.35+deb13-amd64: Regression in host kernel breaks
VM
VFIO graphics
Message-ID: <175312697077.4411.17900607178419129250.reportbug@stable.host.
arpa>
X-Mailer: reportbug 13.2.0
Date: Mon, 21 Jul 2025 20:42:50 +0100
Delivered-To: submit@bugs.debian.org
Package: src:linux
Version: 6.12.35-1
Severity: normal
Tags: upstream
X-Debbugs-Cc: debian-amd64@lists.debian.org, jonathan@unbiased.name
User: debian-amd64@lists.debian.org
Usertags: amd64
Dear Maintainer,
I run desktop with iGPU and can start qemu VM(s) with a A750.
It worked (reasonably) for few years and runs with 6.12.33 kernel.
See start of VM boot (efi gop)
Windows 11 guest now starts and power saves monitor. Device has problem code
43. Can ssh.
A debian testing guest sticks to blank with cursor, from gdm, without being
able to switch VT. Newest testing kernel fine inside with old host kernel.
ssh
in fine.
Not fixed in 6.12.39 source.
Bisected to;
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
commit/?h=linux-6.12.y&id=fb5873b779dd5858123c19bbd6959566771e2e83
I also wonder if bugs #1109116 and #1109203 could be from same. Although I
can
still boot host onto card so not necessarily matching.
-- Package-specific info:
** Version:
Linux version 6.12.35+deb13-amd64 (debian-kernel@lists.debian.org)
(x86_64-linux-gnu-gcc-14 (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for
Debian) 2.44) #1 SMP PREEMPT_DYNAMIC Debian 6.12.35-1 (2025-07-03)
** Command line:
BOOT_IMAGE=/boot/vmlinuz root=/dev/mapper/stable-btrfs rootfstype=btrfs
rootflags=subvol=/stable-root,discard ro quiet splash plymouth.enable=1
apparmor=1 lsm=apparmor,landlock,yama,bpf kvm-intel.nested=1 intel_iommu=on
iommu=pt vfio_pci.ids=8086:56a1,
8086:4f90 snd_hda_intel.power_save=10000000 acpi_enforce_resources=lax
** Tainted: OE (12288)
* externally-built ("out-of-tree") module was loaded
* unsigned module was loaded
** Kernel log:
[ 9.641883] Bluetooth: hci0: Bootloader revision 0.4 build 0 week 30 2018
[ 9.642891] Bluetooth: hci0: Device revision is 2
[ 9.642892] Bluetooth: hci0: Secure boot is enabled
[ 9.642892] Bluetooth: hci0: OTP lock is enabled
[ 9.642893] Bluetooth: hci0: API lock is enabled
[ 9.642893] Bluetooth: hci0: Debug lock is disabled
[ 9.642894] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[ 9.645526] Bluetooth: hci0: Found device firmware: intel/ibt-19-0-4.sfi
[ 9.645549] Bluetooth: hci0: Boot Address: 0x24800
[ 9.645549] Bluetooth: hci0: Firmware Version: 132-3.24
[ 9.658908] input: HDA Intel PCH Rear Mic as /devices/pci0000
00/0000:00:1f.3/sound/card0/input10
[ 9.658933] input: HDA Intel PCH Front Mic as /devices/pci000
:00/0000:00:1f.3/sound/card0/input11
[ 9.658962] input: HDA Intel PCH Line as /devices/pci0000:00/
000:00:1f.3/sound/card0/input12
[ 9.658982] input: HDA Intel PCH Line Out Front as /devices/p
i0000:00/0000:00:1f.3/sound/card0/input13
[ 9.659000] input: HDA Intel PCH Line Out Surround as /device
/pci0000:00/0000:00:1f.3/sound/card0/input14
[ 9.659016] input: HDA Intel PCH Line Out CLFE as /devices/pc
0000:00/0000:00:1f.3/sound/card0/input15
[ 9.659033] input: HDA Intel PCH Front Headphone as /devices/
ci0000:00/0000:00:1f.3/sound/card0/input16
[ 9.659051] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pc
0000:00/0000:00:1f.3/sound/card0/input17
[ 9.659069] input: HDA Intel PCH HDMI/DP,pcm=7 as /devices/pc
0000:00/0000:00:1f.3/sound/card0/input18
[ 9.659088] input: HDA Intel PCH HDMI/DP,pcm=8 as /devices/pc
0000:00/0000:00:1f.3/sound/card0/input19
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