beauxq, thank you for reporting this and helping make Ubuntu better. Could you please run the following command once from a terminal as it will automatically gather and attach updated debug information to this report: apport-collect -p xorg 1522212
Please ensure you have the package xdiagnose installed, and that you click the Yes button for attaching additional debugging information. When reporting xorg related bugs in the future, please do so via the above method. You can learn more about this functionality at https://wiki.ubuntu.com/ReportingBugs. ** Package changed: xserver-xorg-video-nouveau (Ubuntu) => xorg (Ubuntu) ** Changed in: xorg (Ubuntu) Importance: Undecided => Low ** Changed in: xorg (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1522212 Title: kernel panic involving threading Status in xorg package in Ubuntu: Incomplete Bug description: my system: intel core i5 nvidia 310m lubuntu 15.10 sfml libsfml-dev 2.3.2+dfsg-1 g++ 4:5.2.1-3ubuntu1 I'm running my own cross-platform multimedia application. The program works as expected on this same ubuntu system with the proprietary nvidia driver and works as expected in Windows. This is how I conclude that the bug is in nouveau. This program uses sfml and c++ std::thread I send a thread to load some textures (into video memory), main thread shows a simple loading screen. artifacts on screen, then kernel panic I can reproduce the crash 100% on this system. I don't have another system to test it with. I have been unable to reproduce the problem with a smaller amount of code, I can zip up the whole project for you if you want. The problem does not occur if I just call the same functions in the main thread, only when I create a separate thread to load the textures. ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3 ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6 Uname: Linux 4.2.0-19-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.19.1-0ubuntu5 Architecture: amd64 CurrentDesktop: X-Cinnamon Date: Wed Dec 2 18:41:45 2015 InstallationDate: Installed on 2015-10-18 (45 days ago) InstallationMedia: Lubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) SourcePackage: xserver-xorg-video-nouveau UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1522212/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp