** Tags removed: kernel-bug-exists-upstream-4.11-rc7 ** Tags added: artful kernel-bug-exists-upstream-4.11-rc8
** Description changed: Upstream bug report: https://bugs.freedesktop.org/show_bug.cgi?id=99784 Imgur post that explains problem: http://imgur.com/a/3kwiq When my ASUS VW193 external monitor is connected to the VGA port of my laptop (AMD Radeon 7470m) internal laptop monitor stops working. Using the Unity Control Center I'm able to set laptop monitor as primary which disables external monitor (and vice-versa). Tried manual switch to - mainline Linux 4.5 kernel, same thing. Tested on 14.04, 15.10, 16.04 - with same results. + mainline Linux 4.5 kernel, same thing. Tested on 14.04, 15.10, 16.04, + 17.04 and 17.10 (develop branch) with same results. However, if I plug the Asus monitor into the laptop via VGA, plug my Vox TV into the laptop via HDMI, and set the resolution to 1280x720, it displays fine on both the monitor and TV. Also, the internal monitor and just HDMI together show properly. However, if I adjust to 1080i, the above working dual screen configurations show a graphical glitch: https://launchpadlibrarian.net/302517159/IMG_20170114_225834.jpg WORKAROUND: Use Ubuntu 14.04 with fglrx. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xorg 1:7.7+13ubuntu3 Uname: Linux 4.5.0-040500rc6-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.20-0ubuntu3 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true Date: Sat Mar 5 04:32:48 2016 DistUpgraded: Fresh install DistroCodename: xenial DistroVariant: ubuntu DkmsStatus: virtualbox, 5.0.14, 4.4.0-10-generic, x86_64: installed virtualbox, 5.0.14, 4.4.0-8-generic, x86_64: installed virtualbox, 5.0.14, 4.5.0-040500rc6-generic, x86_64: installed ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Trinity [Radeon HD 7640G] [1002:9903] (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. Trinity [Radeon HD 7640G] [1043:106b] Advanced Micro Devices, Inc. [AMD/ATI] Seymour [Radeon HD 6400M/7400M Series] [1002:6760] (rev ff) (prog-if ff) InstallationDate: Installed on 2016-02-18 (15 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) MachineType: ASUSTeK COMPUTER INC. K55DR ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.5.0-040500rc6-generic root=UUID=e0064410-4660-40b7-b961-76f320a921a6 ro amdgpu.powerplay=1 SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/07/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 217 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: K55DR dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr217:bd09/07/2012:svnASUSTeKCOMPUTERINC.:pnK55DR:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnK55DR:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: K55DR dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. version.compiz: compiz 1:0.9.12.2+16.04.20160209-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.67-1 version.libgl1-mesa-dri: libgl1-mesa-dri 11.1.2-1ubuntu1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 11.1.2-1ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.18.1-1ubuntu3 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.6.1-1ubuntu2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160218-1ubuntu3 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2 xserver.bootTime: Sat Mar 5 04:27:41 2016 xserver.configfile: default xserver.errors: RADEON(G0): [XvMC] Failed to initialize extension. xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.18.1-1ubuntu3 xserver.video_driver: radeon -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/1553441 Title: [Asus K55DR] When VGA plugged into laptop, only one monitor working at a time To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1553441/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
