apport information ** Attachment added: "UdevDb.txt" https://bugs.launchpad.net/bugs/1661695/+attachment/4812681/+files/UdevDb.txt
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1661695 Title: screen flickering raedon Status in linux package in Ubuntu: Incomplete Bug description: 4.4.0-53 WORKS FINE 4.4.0-62 DOES NOT WORK (screen flickers) It seems there is a problem with powersafe: With auto: echo auto > /sys/class/drm/card0/device/power_dpm_force_performance_level you will see heavy screen flickering on higher display resolutions With low or high: echo low > /sys/class/drm/card0/device/power_dpm_force_performance_level or echo high > /sys/class/drm/card0/device/power_dpm_force_performance_level there is no screen flickering And having performance level set to HIGH at all times is not a workaround because it wears out the card. :( details: Linux CINNAMON 4.4.0-62-generic #83-Ubuntu SMP Wed Jan 18 14:10:15 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux ``` Vendor: X.Org (0x1002) Device: AMD PITCAIRN (DRM 2.43.0 / 4.4.0-62-generic, LLVM 5.0.0) (0x6811) Version: 17.1.0 Accelerated: yes Video memory: 2048MB Unified memory: no Preferred profile: core (0x1) Max core profile version: 4.2 Max compat profile version: 3.0 Max GLES1 profile version: 1.1 Max GLES[23] profile version: 3.0 OpenGL vendor string: X.Org OpenGL renderer string: Gallium 0.4 on AMD PITCAIRN (DRM 2.43.0 / 4.4.0-62-generic, LLVM 5.0.0) OpenGL core profile version string: 4.2 (Core Profile) Mesa 17.1.0-devel - padoka PPA OpenGL core profile shading language version string: 4.20 OpenGL core profile context flags: (none) OpenGL core profile profile mask: core profile ``` --- ApportVersion: 2.20.1-0ubuntu2.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: atomi 3734 F.... pulseaudio /dev/snd/controlC0: atomi 3734 F.... pulseaudio /dev/snd/controlC1: atomi 3734 F.... pulseaudio CurrentDesktop: X-Cinnamon DistroRelease: Linux 18.1 HibernationDevice: RESUME=UUID=30254b0c-14d7-4c0e-9168-a8d492fa027b InstallationDate: Installed on 2016-12-27 (37 days ago) InstallationMedia: Linux Mint 18.1 "Serena" - Release amd64 20161213 MachineType: Gigabyte Technology Co., Ltd. GA-78LMT-USB3 Package: linux (not installed) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/usr/bin/zsh ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-53-generic root=UUID=41cc7dce-52e8-4b29-9347-60afc0a7d0ed ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.4.0-53.74-generic 4.4.30 RelatedPackageVersions: linux-restricted-modules-4.4.0-53-generic N/A linux-backports-modules-4.4.0-53-generic N/A linux-firmware 1.157.6 RfKill: 0: hci0: Bluetooth Soft blocked: no Hard blocked: no Tags: serena Uname: Linux 4.4.0-53-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 04/23/2013 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: FA dmi.board.name: GA-78LMT-USB3 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.:bvrFA:bd04/23/2013:svnGigabyteTechnologyCo.,Ltd.:pnGA-78LMT-USB3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-78LMT-USB3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: GA-78LMT-USB3 dmi.sys.vendor: Gigabyte Technology Co., Ltd. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1661695/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
