You have been subscribed to a public bug:
Ubuntu 20.04 on amd64.
I came back to the machine after it was idle long enough for the screen
to go blank. I can see the cursor move with the mouse, but nothing
else. This is VT2.
VT1 shows a login screen. I can get to console VTs as well and did so
to file the report.
I see the following in the system log that may be related:
Jun 18 18:29:54 cerberus gnome-shell[4694]: g_signal_handler_disconnect:
assertion 'handler_id > 0' failed
Jun 18 18:29:54 cerberus gnome-shell[4694]: Source ID 3568871 was not found
when attempting to remove it
Jun 18 18:29:54 cerberus gnome-shell[4694]: Source ID 3568998 was not found
when attempting to remove it
Jun 18 18:29:54 cerberus gnome-shell[4694]: Source ID 3569045 was not found
when attempting to remove it
Jun 18 18:29:54 cerberus gnome-shell[4694]: [System monitor] applet disable
Jun 18 18:29:54 cerberus gnome-shell[4694]: g_dbus_connection_emit_signal:
assertion 'G_IS_DBUS_CONNECTION (connection)' failed
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-74.83-generic 5.4.114
Uname: Linux 5.4.0-74-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
CasperMD5CheckResult: skip
Date: Fri Jun 18 19:33:55 2021
DistUpgraded: 2020-11-04 10:03:47,100 DEBUG running doUpdate() (showErrors=True)
DistroCodename: focal
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere [Radeon RX
470/480/570/570X/580/580X/590] [1002:67df] (rev c7) (prog-if 00 [VGA
controller])
Subsystem: ASUSTeK Computer Inc. Radeon RX 480 [1043:04fb]
InstallationDate: Installed on 2020-05-29 (385 days ago)
InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
MachineType: Supermicro X10DAi
ProcEnviron:
SHELL=/bin/bash
LANG=en_US.UTF-8
TERM=linux
XDG_RUNTIME_DIR=<set>
PATH=(custom, user)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-74-generic
root=/dev/mapper/ubuntu--vg-root ro amdgpu.dc=0
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to focal on 2020-11-04 (226 days ago)
dmi.bios.date: 12/16/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 3.2
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: X10DAI
dmi.board.vendor: Supermicro
dmi.board.version: 1.01
dmi.chassis.asset.tag: To be filled by O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To be filled by O.E.M.
dmi.chassis.version: To be filled by O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr3.2:bd12/16/2019:svnSupermicro:pnX10DAi:pvr123456789:rvnSupermicro:rnX10DAI:rvr1.01:cvnTobefilledbyO.E.M.:ct3:cvrTobefilledbyO.E.M.:
dmi.product.family: SMC X10
dmi.product.name: X10DAi
dmi.product.sku: 083615D9
dmi.product.version: 123456789
dmi.sys.vendor: Supermicro
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.102-1ubuntu1~20.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 20.2.6-0ubuntu0.20.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx 20.2.6-0ubuntu0.20.04.1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.9-2ubuntu1.2~20.04.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: amd64 amdgpu apport-bug focal ubuntu
--
blank screen with cursor after login
https://bugs.launchpad.net/bugs/1932979
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