Public bug reported:
Every now and again, after resuming my system from suspend, I find that
the screen remains blank and that I cannot switch to a virtual console
because the mouse and keyboard appear to be dead. To get my system back
to a functional state, I need to reboot.
As I went over my journal log just now to see what might be the cause. I found
this:
Dec 07 11:41:23 Dapple (udev-worker)[39411]: vtcon1: Spawned process
'/etc/console-setup/cached_setup_font.sh' [39426] is taking longer than 59s to
complete.
Dec 07 11:41:23 Dapple systemd-udevd[432]: vtcon1: Worker [39411] processing
SEQNUM=6016 is taking a long time
Those are the last messages that got logged, even though I left the
system running for several minutes before rebooting. I saw these same
messages the previous times that my system failed to resume fully. The
behaviour appears to be random, though, as resuming will work fine any
number of times and then it will strike out of the blue. Some sort of
race condition?
For what it is worth, I use systemd scripts to automatically stop gnome-
shell before suspending and to start it again after resuming. I have to
do this because wayland and my nvidia driver appear to be incompatible
to the point of making suspending impossible. I do not know whether that
might be relevant but it is a fact that the issue only started occurring
after I introduced this automated start-stop routine.
ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: linux-image-6.17.0-7-generic 6.17.0-7.7
ProcVersionSignature: Ubuntu 6.17.0-7.7-generic 6.17.2
Uname: Linux 6.17.0-7-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: codey 2886 F.... wireplumber
/dev/snd/controlC1: codey 2886 F.... wireplumber
/dev/snd/seq: codey 2872 F.... pipewire
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sun Dec 7 11:49:00 2025
InstallationDate: Installed on 2025-05-09 (212 days ago)
InstallationMedia: Ubuntu 25.04 "Plucky Puffin" - Release amd64 (20250415.3)
MachineType: Micro-Star International Co., Ltd. MS-7B79
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcFB: 0 nvidia-drmdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.17.0-7-generic
root=UUID=1c50859e-37c8-46a8-a823-c658ef7af467 ro quiet splash
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
vt.handoff=7
RelatedPackageVersions:
firmware-sof N/A
linux-firmware 20250901.git993ff19b-0ubuntu1.4
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to questing on 2025-10-30 (37 days ago)
dmi.bios.date: 04/14/2025
dmi.bios.release: 5.17
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: H.L0
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: X470 GAMING PLUS MAX (MS-7B79)
dmi.board.vendor: Micro-Star International Co., Ltd.
dmi.board.version: 3.0
dmi.chassis.asset.tag: To be filled by O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Micro-Star International Co., Ltd.
dmi.chassis.version: 3.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInternational,LLC.:bvrH.L0:bd04/14/2025:br5.17:svnMicro-StarInternationalCo.,Ltd.:pnMS-7B79:pvr3.0:rvnMicro-StarInternationalCo.,Ltd.:rnX470GAMINGPLUSMAX(MS-7B79):rvr3.0:cvnMicro-StarInternationalCo.,Ltd.:ct3:cvr3.0:skuTobefilledbyO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: MS-7B79
dmi.product.sku: To be filled by O.E.M.
dmi.product.version: 3.0
dmi.sys.vendor: Micro-Star International Co., Ltd.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug questing wayland-session
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https://bugs.launchpad.net/bugs/2134329
Title:
input/output devices randomly non-responsive after resume due to
virtual console (vtcon1) issue
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