apport information
** Tags added: apport-collected
** Description changed:
Test case:
Optimus hardware
20.04 updated
Install 440 driver
Enable nvidia_drm modeset either thru kernel parameter or a modeprobe.d file.
reboot.
Seen here -
uname -a && xrandr --verbose |grep PRIME && sudo cat
/sys/module/nvidia_drm/parameters/modeset
Linux doug-Lenovo-IdeaPad-Y510P 5.4.0-9-generic #12-Ubuntu SMP Mon Dec 16
22:34:19 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
PRIME Synchronization: 0
PRIME Synchronization: 1
PRIME Synchronization: 1
[sudo] password for doug:
Y
While same machine, ect. while booting to previous 5.3.0-24 kernel
uname -a && xrandr --verbose |grep PRIME && sudo cat
/sys/module/nvidia_drm/parameters/modeset
Linux doug-Lenovo-IdeaPad-Y510P 5.3.0-24-generic #26-Ubuntu SMP Thu Nov 14
01:33:18 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
PRIME Synchronization: 1
PRIME Synchronization: 1
PRIME Synchronization: 1
[sudo] password for doug:
Y
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: nvidia-driver-440 440.44-0ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-9.12-generic 5.4.3
Uname: Linux 5.4.0-9-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu15
Architecture: amd64
CurrentDesktop: Unity:Unity7:ubuntu
Date: Sun Jan 12 14:55:34 2020
InstallationDate: Installed on 2019-12-18 (25 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20191217)
SourcePackage: nvidia-graphics-drivers-440
UpgradeStatus: No upgrade log present (probably fresh install)
+ ---
+ ProblemType: Bug
+ ApportVersion: 2.20.11-0ubuntu15
+ Architecture: amd64
+ AudioDevicesInUse:
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC2: doug 1680 F.... pulseaudio
+ /dev/snd/controlC1: doug 1680 F.... pulseaudio
+ /dev/snd/controlC0: doug 1680 F.... pulseaudio
+ CurrentDesktop: ubuntu:GNOME
+ DistroRelease: Ubuntu 20.04
+ InstallationDate: Installed on 2020-01-13 (1 days ago)
+ InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20191217)
+ MachineType: LENOVO 20217
+ NonfreeKernelModules: nvidia_modeset nvidia
+ Package: linux (not installed)
+ ProcEnviron:
+ TERM=xterm-256color
+ PATH=(custom, no user)
+ XDG_RUNTIME_DIR=<set>
+ LANG=en_US.UTF-8
+ SHELL=/bin/bash
+ ProcFB: 0 i915drmfb
+ ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-9-generic
root=UUID=35a0dfe1-ac73-4c26-9a62-8e7b3a0838ad ro quiet splash vt.handoff=7
+ ProcVersionSignature: Ubuntu 5.4.0-9.12-generic 5.4.3
+ RelatedPackageVersions:
+ linux-restricted-modules-5.4.0-9-generic N/A
+ linux-backports-modules-5.4.0-9-generic N/A
+ linux-firmware 1.184
+ Tags: focal
+ Uname: Linux 5.4.0-9-generic x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
+ _MarkForUpload: True
+ dmi.bios.date: 09/18/2013
+ dmi.bios.vendor: LENOVO
+ dmi.bios.version: 74CN44WW(V3.05)
+ dmi.board.asset.tag: No Asset Tag
+ dmi.board.name: VIQY0Y1
+ dmi.board.vendor: LENOVO
+ dmi.board.version: 31900058STD
+ dmi.chassis.asset.tag: No Asset Tag
+ dmi.chassis.type: 10
+ dmi.chassis.vendor: LENOVO
+ dmi.chassis.version: Lenovo IdeaPad Y510P
+ dmi.modalias:
dmi:bvnLENOVO:bvr74CN44WW(V3.05):bd09/18/2013:svnLENOVO:pn20217:pvrLenovoIdeaPadY510P:rvnLENOVO:rnVIQY0Y1:rvr31900058STD:cvnLENOVO:ct10:cvrLenovoIdeaPadY510P:
+ dmi.product.family: IDEAPAD
+ dmi.product.name: 20217
+ dmi.product.sku: LENOVO_BI_IDEAPAD
+ dmi.product.version: Lenovo IdeaPad Y510P
+ dmi.sys.vendor: LENOVO
** Attachment added: "AlsaInfo.txt"
https://bugs.launchpad.net/bugs/1859357/+attachment/5320266/+files/AlsaInfo.txt
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https://bugs.launchpad.net/bugs/1859357
Title:
Prime synchronization breaks on kernel 5.4.0-9
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