https://bugs.freedesktop.org/show_bug.cgi?id=92287
Bug ID: 92287 Summary: Display errors in Qt applications after using Android Virtual Devices Product: Mesa Version: 11.0 Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: major Priority: medium Component: Drivers/DRI/nouveau Assignee: nouveau@lists.freedesktop.org Reporter: gu...@ambient-entertainment.de QA Contact: nouveau@lists.freedesktop.org Created attachment 118670 --> https://bugs.freedesktop.org/attachment.cgi?id=118670&action=edit Screenshot showing the problems After using an Android Virtual Machine (from Android Studio, https://developer.android.com/sdk/index.html) and stopping it, Qt/KDE application will show weird display errors. Pixmaps get drawn poorly aligned or with parts of them corrupted or just not at all, some windows are translucent when they should not be, drop down menus are not drawn fully (some items do not get drawn, although the space for them is still reserved) and have horizontal bars, either black or of various weird colors, through them. Most applications affected by this become unusable. I will attach a screenshot that shows the problem. Only Qt/KDE applications seem to be affected by this, as far as I can tell. Only applications that are newly started after this will be affected, not applications that have been running before but have opened new windows. When these problems start to happen, only restarting the computer seems to fix them, simply restarting the X server is not enough. On two occasions so far, the problems were even worse: The X display froze completely, except for mouse movements, and I could no longer switch the keyboards NumLuck LED on or off by pressing Numlock. I had to reset the machine with a SysRq sequence. This problem is not always reproducible, but seems to happen more often when running two AVDs simultaneously and then quitting them. The AVDs need to be configured to "Use Host GPU". I have not found any other way to reproduce this. My system: Gentoo Linux on x86_64 X server: xorg-server 1.17.2-r1 Display driver: 1.0.11 Mesa: 11.0.2 Kernel version: 4.2.2 This also happened with earlier versions of the X server and Mesa. I upgraded those after this problem first started, -- You are receiving this mail because: You are the QA Contact for the bug. You are the assignee for the bug.
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