Not that this could be much of help, but this bug also exists on Debian 8 and 9, with Nouveau as well as the binary driver, on gdm3 (Gnome 3) too. So this is definitely not a - radeon - nvidia - binary driver - open source driver - intel - amd - compiz - gnome shell - unity problem.
As much as I can postulate, it might be a problem with kernel vs Xorg? -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unity in Ubuntu. https://bugs.launchpad.net/bugs/1004475 Title: Slow graphics after resume from suspend Status in Unity: Expired Status in compiz package in Ubuntu: Expired Status in unity package in Ubuntu: Expired Bug description: When resume from suspend the desktop loads but Unity runs very slow. ------------------------------------------------------------------------------------- General Info: -->lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.04 LTS Release: 12.04 Codename: precise -->uname -a Linux myBox 3.2.0-24-generic #39-Ubuntu SMP Mon May 21 16:52:17 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux -->apt-cache policy unity unity: Installed: 5.12-0ubuntu1 Candidate: 5.12-0ubuntu1 Version table: *** 5.12-0ubuntu1 0 500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages 100 /var/lib/dpkg/status 5.10.0-0ubuntu6 0 500 http://us.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages -->apt-cache policy compiz compiz: Installed: 1:0.9.7.8-0ubuntu1 Candidate: 1:0.9.7.8-0ubuntu1 Version table: *** 1:0.9.7.8-0ubuntu1 0 500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages 100 /var/lib/dpkg/status 1:0.9.7.6-0ubuntu1 0 500 http://us.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages -->dpkg -s Xorg | grep Version Version: 1:7.6+12ubuntu1 -->glxinfo | grep OpenGL OpenGL vendor string: X.Org OpenGL renderer string: Gallium 0.4 on AMD JUNIPER OpenGL version string: 2.1 Mesa 8.0.2 OpenGL shading language version string: 1.20 -->lspci -nn | grep VGA 01:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD] nee ATI Juniper [Radeon HD 5700 Series] [1002:68b8] Hardware Motherboard: Gigabyte GA-P55A-UD4P Processor: Intel Core i7-870 Processor Graphics: Gigabyte ATI Radeon HD 5770 GV-R577UD-1GD (Batmobile) Memory: 16GB (4 x 4GB) G.SKILL Ripjaws Series 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) F3-12800CL9D-8GBRL SSD Drive: Crucial 64GB m4 2.5-inch SATA 6GB/s Monitor: 2x Samsung P2770 Discussion link: http://ubuntuforums.org/showthread.php?p=11962793#post11962793 ------------------------------------------------------------------------------------- Fresh boot; before suspend -->glxgears Running synchronized to the vertical refresh. The framerate should be approximately the same as the monitor refresh rate. 303 frames in 5.0 seconds = 60.440 FPS 300 frames in 5.0 seconds = 59.968 FPS 300 frames in 5.0 seconds = 59.966 FPS 300 frames in 5.0 seconds = 59.970 FPS 300 frames in 5.0 seconds = 59.967 FPS 300 frames in 5.0 seconds = 59.968 FPS After suspend -->glxgears Running synchronized to the vertical refresh. The framerate should be approximately the same as the monitor refresh rate. 188 frames in 5.0 seconds = 37.560 FPS 194 frames in 5.0 seconds = 38.670 FPS 196 frames in 5.0 seconds = 39.068 FPS 198 frames in 5.0 seconds = 39.599 FPS 201 frames in 5.0 seconds = 40.198 FPS 200 frames in 5.0 seconds = 39.868 FPS After compiz --replace -->glxgears Running synchronized to the vertical refresh. The framerate should be approximately the same as the monitor refresh rate. 303 frames in 5.0 seconds = 60.457 FPS 299 frames in 5.0 seconds = 59.797 FPS 300 frames in 5.0 seconds = 59.997 FPS 300 frames in 5.0 seconds = 59.999 FPS 300 frames in 5.0 seconds = 59.998 FPS 300 frames in 5.0 seconds = 59.998 FPS 300 frames in 5.0 seconds = 59.998 FPS 299 frames in 5.0 seconds = 59.798 FPS It doesn't look like it is only affecting Launcher performance when suspend was used. I'm not sure if this would be a separate issue so decided to include it here for now. Here is some more details. Fresh boot; suspend not used At first all looks good. Launcher opens and closes quickly but after few minutes of regular use I can see performance degradation when using Launcher. Everything else still works good. -->glxgears Running synchronized to the vertical refresh. The framerate should be approximately the same as the monitor refresh rate. 302 frames in 5.0 seconds = 60.245 FPS<= Launcher closed 299 frames in 5.0 seconds = 59.798 FPS 301 frames in 5.0 seconds = 60.002 FPS 298 frames in 5.0 seconds = 59.596 FPS 299 frames in 5.0 seconds = 59.799 FPS 102 frames in 5.1 seconds = 20.030 FPS<= pressing “Super”; Launcher slowly opens 30 frames in 5.2 seconds = 5.780 FPS 30 frames in 5.2 seconds = 5.759 FPS 30 frames in 5.2 seconds = 5.780 FPS 31 frames in 5.2 seconds = 5.962 FPS 32 frames in 5.2 seconds = 6.172 FPS 31 frames in 5.2 seconds = 5.984 FPS 30 frames in 5.2 seconds = 5.788 FPS 105 frames in 5.0 seconds = 20.984 FPS<= pressing ESC; Launcher slowly closes 299 frames in 5.0 seconds = 59.600 FPS 299 frames in 5.0 seconds = 59.600 FPS 298 frames in 5.0 seconds = 59.595 FPS 301 frames in 5.0 seconds = 60.001 FPS 300 frames in 5.0 seconds = 59.996 FPS 293 frames in 5.0 seconds = 58.597 FPS 49 frames in 5.2 seconds = 9.438 FPS<= pressing “Super”; Launcher slowly opens 31 frames in 5.2 seconds = 5.961 FPS 34 frames in 5.2 seconds = 6.529 FPS 30 frames in 5.2 seconds = 5.791 FPS 29 frames in 5.2 seconds = 5.595 FPS 33 frames in 5.2 seconds = 6.305 FPS 105 frames in 5.0 seconds = 20.984 FPS<= pressing ESC; Launcher slowly closes 299 frames in 5.0 seconds = 59.799 FPS 300 frames in 5.0 seconds = 59.998 FPS 298 frames in 5.0 seconds = 59.599 FPS 300 frames in 5.0 seconds = 59.996 FPS Everything seems to be very slow when Launcher is open and comes back to normal after Launcher is closed. Replacing compiz windows: -->compiz --replace -->glxgears Running synchronized to the vertical refresh. The framerate should be approximately the same as the monitor refresh rate. 303 frames in 5.0 seconds = 60.494 FPS<= Launcher closed 298 frames in 5.0 seconds = 59.598 FPS 299 frames in 5.0 seconds = 59.797 FPS 291 frames in 5.0 seconds = 58.199 FPS<= pressing “Super”; Launcher quickly opens 299 frames in 5.0 seconds = 59.799 FPS 298 frames in 5.0 seconds = 59.515 FPS 299 frames in 5.0 seconds = 59.679 FPS 300 frames in 5.0 seconds = 59.999 FPS<= pressing ESC; Launcher quickly closes 299 frames in 5.0 seconds = 59.798 FPS 297 frames in 5.0 seconds = 59.315 FPS 298 frames in 5.0 seconds = 59.395 FPS 297 frames in 5.0 seconds = 59.399 FPS<= pressing “Super”; Launcher quickly opens 296 frames in 5.0 seconds = 59.089 FPS This will work good for some time (10 maybe 20 minutes) and will go back to degraded performance again. 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