This log shows updated driver deployments on July 23rd coincident with the start of the detection problems.
** Attachment added: "dpkg.log" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1784240/+attachment/5169276/+files/dpkg.log -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1784240 Title: Driver doesn't correctly probe Samsung U28D590D 28-inch 4k after recent update Status in xorg package in Ubuntu: New Bug description: 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1784240/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
