You have been subscribed to a public bug:
The 2nd display (attached to DVI) has stopped being detected but is used
by bios and grub (output ceases once the spinning boot animation
starts). I was away for a week but it was working prior to leaving.
I've notices that Xorg.0.log shows DVI-D-0 disconnected where the 2nd
monitor should be.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
Uname: Linux 5.4.0-14-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu18
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon Mar 9 06:13:23 2020
DistUpgraded: 2020-01-31 09:33:31,151 DEBUG Running PostInstallScript:
'./xorg_fix_proprietary.py'
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 cf) (prog-if 00 [VGA
controller])
Subsystem: XFX Pine Group Inc. Radeon RX 470 [1682:9470]
InstallationDate: Installed on 2017-04-21 (1052 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Beta amd64 (20170404)
MachineType: Micro-Star International Co., Ltd. MS-7A34
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-14-generic
root=UUID=1bf886cb-50ea-4487-a660-07d91bbb51fc ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: Upgraded to focal on 2020-01-31 (37 days ago)
dmi.bios.date: 01/23/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1.M0
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: B350 TOMAHAWK (MS-7A34)
dmi.board.vendor: Micro-Star International Co., Ltd.
dmi.board.version: 1.0
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: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1.M0:bd01/23/2019:svnMicro-StarInternationalCo.,Ltd.:pnMS-7A34:pvr1.0:rvnMicro-StarInternationalCo.,Ltd.:rnB350TOMAHAWK(MS-7A34):rvr1.0:cvnMicro-StarInternationalCo.,Ltd.:ct3:cvr1.0:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: MS-7A34
dmi.product.sku: To be filled by O.E.M.
dmi.product.version: 1.0
dmi.sys.vendor: Micro-Star International Co., Ltd.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.100-4
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.0-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.0-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
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+git20190815-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
xserver.bootTime: Mon Oct 15 10:44:00 2018
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: 2:1.20.1-3ubuntu2
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 amdgpu apport-bug champagne focal regression reproducible ubuntu
--
[amdgpu] 2nd display stopped working
https://bugs.launchpad.net/bugs/1866616
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