It sounds like there are two bugs here so please choose which one you would like this bug to be about.
Also "vblank" is something that happens 60 times per second when the monitor is on, so I don't think you mean "vblank". Do you mean sleep mode? ** Package changed: xorg (Ubuntu) => xserver-xorg-video-amdgpu (Ubuntu) ** Changed in: xserver-xorg-video-amdgpu (Ubuntu) Status: New => Incomplete -- 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/1905142 Title: When vblank is send the monitors turn off then immediatly turn back on Status in xserver-xorg-video-amdgpu package in Ubuntu: Incomplete Bug description: 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 Also, the monitors turn on one by one which means that all windows are moved to the one that turns on first. 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-amdgpu/+bug/1905142/+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