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Your message dated Sat, 01 Nov 2025 20:57:38 +0100 (CET)
with message-id <20251101195738.21092BE2EE7@eldamar.lan>
and subject line Closing this bug (BTS maintenance for src:linux bugs)
has caused the Debian Bug report #1115580,
regarding linux-image-6.12.43+deb13-amd64: xhci_usb vfio_pci: usb controller
fails to reset when passing through to a qemu VM
to be marked as done.
This means that you claim that the problem has been dealt with.
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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1115580: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1115580
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From: Andrea Palazzi
To: Debian Bug Tracking System
Subject: linux-image-6.12.43+deb13-amd64: xhci_usb vfio_pci: usb controller
fails to reset when passing through to a qemu VM
Message-ID: <175818770979.5025.7711045374216712446.reportbug@localhost>
X-Mailer: reportbug 13.2.0
Date: Thu, 18 Sep 2025 11:28:29 +0200
Delivered-To: submit@bugs.debian.org
Package: src:linux
Version: 6.12.43-1
Severity: normal
X-Debbugs-Cc: debian-amd64@lists.debian.org, palazziandrea@yahoo.it
User: debian-amd64@lists.debian.org
Usertags: amd64
Dear Maintainer,
* What led up to the situation?
I'm trying to passthrough an USB controller to a QEMU VM to share keyboard and
mouse via a KVM switch, however the controller fails to change power state -
maybe a reset bug?
* What exactly did you do (or not do) that was effective (or
ineffective)?
After a search I tried to add options vfio-pci ids=1022:14c9 disable_idle_d3=1
to /etc/modprobe.d/vfio.conf , but that didn't work.
* What was the outcome of this action?
No changes
* What outcome did you expect instead?
I expect the USB controlelr to be passed to the VM.
Here below is an extract from the kernel logs.
[ 359.632508] xhci_hcd 0000:c1:00.4: remove, state 4
[ 359.632516] usb usb2: USB disconnect, device number 1
[ 359.632746] xhci_hcd 0000:c1:00.4: USB bus 2 deregistered
[ 359.632754] xhci_hcd 0000:c1:00.4: remove, state 1
[ 359.632765] usb usb1: USB disconnect, device number 1
[ 359.632767] usb 1-1: USB disconnect, device number 2
[ 359.632769] usb 1-1.1: USB disconnect, device number 5
[ 359.751074] usb 1-1.4: USB disconnect, device number 7
[ 360.295060] usb 1-2: USB disconnect, device number 3
[ 360.295065] usb 1-2.1: USB disconnect, device number 4
[ 360.295068] usb 1-2.1.4: USB disconnect, device number 8
[ 360.295071] usb 1-2.1.4.1: USB disconnect, device number 11
[ 360.487061] usb 1-2.3: USB disconnect, device number 6
[ 360.871059] usb 1-2.4: USB disconnect, device number 9
[ 360.967992] xhci_hcd 0000:c1:00.4: USB bus 1 deregistered
[ 361.039526] audit: type=1400 audit(1758187296.085:138): apparmor="STATUS"
operation="profile_replace" profile="unconfined"
name="libvirt-c53156d7-6b25-4664-ab2f-322f5c5edf88" pid=8777
comm="apparmor_parser"
[ 361.074989] audit: type=1400 audit(1758187296.121:139): apparmor="STATUS"
operation="profile_replace" info="same as current profile, skipping"
profile="unconfined" name="libvirt-c53156d7-6b25-4664-ab2f-322f5c5edf88//passt"
pid=8777 comm="apparmor_parser"
[ 361.153072] audit: type=1400 audit(1758187296.197:140): apparmor="STATUS"
operation="profile_replace" info="same as current profile, skipping"
profile="unconfined" name="libvirt-c53156d7-6b25-4664-ab2f-322f5c5edf88"
pid=8785 comm="apparmor_parser"
[ 361.153588] audit: type=1400 audit(1758187296.197:141): apparmor="STATUS"
operation="profile_replace" info="same as current profile, skipping"
profile="unconfined" name="libvirt-c53156d7-6b25-4664-ab2f-322f5c5edf88//passt"
pid=8785 comm="apparmor_parser"
[ 361.322658] tun: Universal TUN/TAP device driver, 1.6
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