baloo@LeW-O-Laptop:~$ GAME_DEBUGGER=gdb vblank_mode=0 primusrun steam steam://rungameid/520 Installing breakpad exception handler for appid(steam)/version(1355250651_client) ATTENTION: default value of option vblank_mode overridden by environment. ATTENTION: default value of option vblank_mode overridden by environment. ATTENTION: default value of option vblank_mode overridden by environment. ATTENTION: default value of option vblank_mode overridden by environment. Looks like steam didn't shutdown cleanly, scheduling immediate update check Installing breakpad exception handler for appid(steam)/version(1355250651_client) Installing breakpad exception handler for appid(steam)/version(1355250651_client) unlinked 1 orphaned pipes removing stale semaphore last operated on by process 30733 with name 0eBlobRegistryMutex_46AC2CB239F2CC86E74219352F59EB87 removing stale semaphore last operated on by process 30733 with name 0eBlobRegistrySignal_46AC2CB239F2CC86E74219352F59EB87 removing stale semaphore last operated on by process 30733 with name 0emSteamEngineInstance removing stale semaphore last operated on by process 30733 with name 0eSteamEngineLock Installing breakpad exception handler for appid(steam)/version(1355250651_client) ATTENTION: default value of option vblank_mode overridden by environment. ATTENTION: default value of option vblank_mode overridden by environment. [1217/135118:WARNING:proxy_service.cc(646)] PAC support disabled because there is no system implementation Installing breakpad exception handler for appid(steam)/version(1355250651_client) Installing breakpad exception handler for appid(steam)/version(1355250651_client) Installing breakpad exception handler for appid(steam)/version(1355250651_client) Installing breakpad exception handler for appid(steam)/version(1355250651_client) Installing breakpad exception handler for appid(steam)/version(1355250651_client) Generating new string page texture 2: 48x256, total string texture memory is 49,15 KB Generating new string page texture 3: 256x256, total string texture memory is 311,30 KB Installing breakpad exception handler for appid(steam)/version(1355250651_client) Installing breakpad exception handler for appid(steam)/version(1355250651_client) Installing breakpad exception handler for appid(steam)/version(1355250651_client) Installing breakpad exception handler for appid(steam)/version(1355250651_client) Adding license for package 1045 Adding license for package 17250 Adding license for package 16549 Adding license for package 0 Adding license for package 18639 roaming config store loaded successfully - 1027 bytes. migrating temporary roaming config store ExecCommandLine: "/home/baloo/.local/share/Steam/ubuntu12_32/steam steam://rungameid/520" ExecSteamURL: "steam://rungameid/520" ATTENTION: default value of option vblank_mode overridden by environment. ATTENTION: default value of option vblank_mode overridden by environment. removing stale semaphore last operated on by process 30733 with name 0eBlobRegistryMutex_282E172E2CAD1DE5E62BD53B975DBF7D removing stale semaphore last operated on by process 30733 with name 0eBlobRegistrySignal_282E172E2CAD1DE5E62BD53B975DBF7D System startup time: 10,71 seconds Generating new string page texture 63: 64x256, total string texture memory is 376,83 KB ExecSteamURL: "steam://open/driverhelperready" Generating new string page texture 64: 512x256, total string texture memory is 901,12 KB Generating new string page texture 65: 128x256, total string texture memory is 1,03 MB Game update: AppID 520 "Team Fortress 2 Beta", ProcID 32648, IP 0.0.0.0:0 ERROR: ld.so: object 'gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded: ignored. ERROR: ld.so: object 'gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded: ignored. ERROR: ld.so: object 'gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded: ignored. ERROR: ld.so: object 'gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded: ignored. ERROR: ld.so: object 'gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded: ignored. ERROR: ld.so: object 'gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded: ignored. ERROR: ld.so: object '/home/baloo/.steam/bin32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded: ignored. GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2.1) 7.4-2012.04 Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /home/baloo/.local/share/Steam/SteamApps/solazs/Team Fortress 2 Beta/hl2_linux...(no debugging symbols found)...done. Breakpoint 1 at 0x8048433 LD_PRELOAD = /home/baloo/.steam/bin32/gameoverlayrenderer.so ERROR: ld.so: object '/home/baloo/.steam/bin32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded: ignored. [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0xf5cabb40 (LWP 32661)] Program received signal SIGSEGV, Segmentation fault. 0xf7fcb8cc in glXGetProcAddress () from /home/baloo/.steam/bin32/gameoverlayrenderer.so Argument list to give program being debugged when it is started is "-game tf_beta -steam". (gdb) saving roaming config store to 'sharedconfig.vdf' roaming config store 2 saved successfully quit c Continuing. [Thread 0xf5cabb40 (LWP 32661) exited] Program terminated with signal SIGSEGV, Segmentation fault.