You have been subscribed to a public bug:
every time that happens the following message is shown in syslog:
/usr/libexec/gdm-x-session[3330]: (EE) AMDGPU(0): drmmode_do_crtc_dpms cannot
get last vblank counter
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: xorg 1:7.7+19ubuntu15
ProcVersionSignature: Ubuntu 5.8.0-30.32-generic 5.8.17
Uname: Linux 5.8.0-30-generic x86_64
.tmp.unity_support_test.0:
ApportVersion: 2.20.11-0ubuntu50.2
Architecture: amd64
BootLog:
CasperMD5CheckResult: skip
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sat Nov 21 18:38:27 2020
DistUpgraded: 2020-11-18 01:07:32,653 ERROR got error from PostInstallScript
./xorg_fix_proprietary.py (g-exec-error-quark: Failed to execute child process
“./xorg_fix_proprietary.py” (No such file or directory) (8))
DistroCodename: groovy
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 [Radeon RX 5600 OEM/5600 XT /
5700/5700 XT] [1002:731f] (rev c1) (prog-if 00 [VGA controller])
Subsystem: Gigabyte Technology Co., Ltd Navi 10 [Radeon RX 5600 OEM/5600 XT
/ 5700/5700 XT] [1458:2316]
MachineType: Gigabyte Technology Co., Ltd. AB350-Gaming
ProcEnviron:
LANGUAGE=en_IE:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_IE.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.8.0-30-generic
root=UUID=556540f5-c271-4a31-8207-81a7fcaac401 ro amdgpu.dc=1
SourcePackage: xorg
UpgradeStatus: Upgraded to groovy on 2020-11-18 (3 days ago)
dmi.bios.date: 11/27/2019
dmi.bios.release: 5.14
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F50a
dmi.board.asset.tag: Default string
dmi.board.name: AB350-Gaming-CF
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF50a:bd11/27/2019:br5.14:svnGigabyteTechnologyCo.,Ltd.:pnAB350-Gaming:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnAB350-Gaming-CF:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: Default string
dmi.product.name: AB350-Gaming
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
modified.conffile..etc.default.apport:
# set this to 0 to disable apport, or to 1 to enable it
# you can temporarily override this with
# sudo service apport start force_start=1
enabled=0
mtime.conffile..etc.default.apport: 2016-03-16T23:17:19.931496
version.compiz: compiz 1:0.9.14.1+20.10.20200813-0ubuntu1
version.libdrm2: libdrm2 2.4.102-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 20.2.1-1
version.libgl1-mesa-glx: libgl1-mesa-glx 20.2.1-1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.9-2ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.6-2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
xserver.bootTime: Tue Nov 17 23:04:32 2020
xserver.configfile: default
xserver.errors:
open /dev/dri/card0: No such file or directory
open /dev/dri/card0: No such file or directory
Screen 0 deleted because of no matching config section.
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
xserver.version: 2:1.20.8-2ubuntu2.4
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: amd64 apport-bug groovy possible-manual-nvidia-install
third-party-packages ubuntu
--
When entering sleep mode the monitors turn off then immediately turn back on
https://bugs.launchpad.net/bugs/1905142
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