I also experience the same freezes on my Thinkpad X61 with Intel GM965. However I'm unable to run it in software mode as described above by setting LIBGL_DRIVERS_PATH=/notapath
$ ./webots An invalid memory reference occured. Please report this error to http://www.cyberbotics.com/bug/ This will help us improving this software. Thank you. Quitting... This happens whenever I open any of the demo world files... If I select "Your Project" from the startup menu it seems to work - the 3D world appears and I'm able to manipulate it with my mouse. Launching webots-bin with gdb gives the following backtrace: (gdb) run Starting program: /home/joh/Packages/webots-64/webots-bin [Thread debugging using libthread_db enabled] [New Thread 0x7fffeb235910 (LWP 11610)] [New Thread 0x7fffe8a74910 (LWP 11619)] Program received signal SIGSEGV, Segmentation fault. 0x00007fffea2716be in ?? () from lib/RenderSystem_GL.so (gdb) bt #0 0x00007fffea2716be in ?? () from lib/RenderSystem_GL.so #1 0x00007fffea2754eb in ?? () from lib/RenderSystem_GL.so #2 0x00007fffea2714d7 in ?? () from lib/RenderSystem_GL.so #3 0x00007fffea27192c in ?? () from lib/RenderSystem_GL.so #4 0x00007fffea26b360 in ?? () from lib/RenderSystem_GL.so #5 0x00007fffea2619d1 in ?? () from lib/RenderSystem_GL.so #6 0x00007fffea26280d in ?? () from lib/RenderSystem_GL.so #7 0x00007ffff484e399 in Ogre::Texture::createInternalResources() () from /home/joh/Packages/webots-64/lib/libOgreMain-1.6.5.so #8 0x00007ffff4851922 in Ogre::TextureManager::createManual(std::string const&, std::string const&, Ogre::TextureType, unsigned int, unsigned int, unsigned int, int, Ogre::PixelFormat, int, Ogre::ManualResourceLoader*, bool, unsigned int) () from /home/joh/Packages/webots-64/lib/libOgreMain-1.6.5.so #9 0x00000000006ca9e9 in OgreCamera::init(char const*, void*, char, int, int, int, double, double, double, double, bool) () #10 0x00000000006f1649 in V_Camera::initOgreCamera() () #11 0x00000000006f29cb in V_Camera::computeValue() () #12 0x0000000000730499 in V_SimpleSensor::needToWriteAnswer() () #13 0x00000000006eee32 in V_Camera::writeAnswer(C_Controller*) () #14 0x0000000000722e39 in V_Robot::dispatchAnswer() () #15 0x00000000006a3648 in C_Controller::step(C_Request*) () #16 0x00000000006aef9d in C_Scheduler::step() () #17 0x00000000005dca17 in A_Application::runSimulation() () #18 0x00000000005dcf82 in A_Application::MainLoop() () #19 0x0000000000a17c90 in wxEntry(int&, wchar_t**) () #20 0x00000000005d381b in main () Any idea why it crashes here? Software mode is an okay workaround for me, if it didn't crash :-P -- [i965] 64 bit Webots simulator freezes system with Intel GM965 https://bugs.launchpad.net/bugs/513523 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
