$ sudo lshw -C video *-display description: VGA compatible controller product: 4th Gen Core Processor Integrated Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 06 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:48 memory:f5800000-f5bfffff memory:d0000000-dfffffff ioport:f000(size=64)
I also have a dedicated GPU (I can't get lshw section for it for some reason), used with the opensource driver: VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Mars XTX [Radeon HD 8790M] $ uname -a Linux peci1-Latitude-E6540 3.13.0-65-generic #105-Ubuntu SMP Mon Sep 21 18:50:58 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux This issue didn't happen when I used the fglrx driver for the ATI card. However, using that driver, I had another problem, so I switched to the opensource one. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to unity-settings-daemon in Ubuntu. https://bugs.launchpad.net/bugs/1314059 Title: Laptop builtin display is black after wakeup, "could not set the configuration for CRTC 79" Status in unity-settings-daemon package in Ubuntu: Confirmed Bug description: After waking up, first display (built in of Thinkpad L412) appears black and message box "Could not set the monitor configuration: could not set the configuration for CRTC 79" appeared (visible on second monitor). $ xrandr Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192 VGA-0 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 531mm x 298mm 1920x1080 60.0*+ 1680x1050 60.0 1600x900 60.0 1280x1024 75.0 60.0 1280x800 59.8 1152x864 75.0 1280x720 60.0 1024x768 75.1 60.0 832x624 74.6 800x600 75.0 60.3 640x480 75.0 60.0 720x400 70.1 LVDS connected (normal left inverted right x axis y axis) 1366x768 60.0 + 50.0 1280x720 59.9 1152x768 59.8 1024x768 59.9 800x600 59.9 848x480 59.7 720x480 59.7 640x480 59.4 DisplayPort-0 disconnected (normal left inverted right x axis y axis) DisplayPort-1 disconnected (normal left inverted right x axis y axis) $ sudo lshw -c video *-display description: VGA compatible controller product: RV710/M92 [Mobility Radeon HD 4530/4570/545v] vendor: Advanced Micro Devices, Inc. [AMD/ATI] physical id: 0 bus info: pci@0000:01:00.0 version: 00 width: 32 bits clock: 33MHz capabilities: pm pciexpress msi vga_controller bus_master cap_list rom configuration: driver=radeon latency=0 resources: irq:43 memory:d0000000-dfffffff ioport:2000(size=256) memory:cfef0000-cfefffff memory:cfe00000-cfe1ffff ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: unity-settings-daemon 14.04.0+14.04.20140414-0ubuntu1 ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 CurrentDesktop: Unity Date: Tue Apr 29 11:22:20 2014 ExecutablePath: /usr/lib/unity-settings-daemon/unity-settings-daemon InstallationDate: Installed on 2013-10-23 (187 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) SourcePackage: unity-settings-daemon UpgradeStatus: Upgraded to trusty on 2014-04-18 (10 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity-settings-daemon/+bug/1314059/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp