You have been subscribed to a public bug:
This monitor was correctly detected and worked properly at maximum
resolution for the last 2 years, but X no longer correctly identifies
the monitor and now only proposes a maximum display resolution of
1368x768 since a recent update.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg (not installed)
ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-29-generic x86_64
.tmp.unity_support_test.0:
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CompizPlugins:
[core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,workarounds,scale,expo,ezoom]
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Sun Jul 29 11:10:25 2018
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Device [1002:67ef] (rev cf) (prog-if 00
[VGA controller])
Subsystem: XFX Pine Group Inc. Device [1682:9460]
InstallationDate: Installed on 2016-05-20 (800 days ago)
InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.3)
MachineType: Gigabyte Technology Co., Ltd. GA-990FXA-UD3
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-29-generic
root=/dev/mapper/Whiteygu-lvm--root ro
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/30/2012
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F8
dmi.board.name: GA-990FXA-UD3
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvrF8:bd05/30/2012:svnGigabyteTechnologyCo.,Ltd.:pnGA-990FXA-UD3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-990FXA-UD3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-990FXA-UD3
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.12.3+16.04.20180221-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.91-2~16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.0.7-0ubuntu0.16.04.2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.5-0ubuntu0~16.04.1
version.xserver-xorg-core: xserver-xorg-core N/A
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
xserver.bootTime: Sun Jul 29 09:18:04 2018
xserver.configfile: default
xserver.errors: AMDGPU(0): Failed to open amdgpu hybrid version
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.19.6-1ubuntu4~16.04.1
xserver.video_driver: amdgpu
** Affects: linux (Ubuntu)
Importance: High
Status: Incomplete
** Tags: amd64 apport-bug compiz-0.9 regression-update resolution ubuntu xenial
--
Driver doesn't correctly probe Samsung U28D590D 28-inch 4k after recent update
https://bugs.launchpad.net/bugs/1784240
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