Issue Report: TF2 Beta segfaults when run with primus

[Bor]

fresh install of steam, primus works fine with other programs.
TF2 runs without prius, but performance is not satisfactory.

Terminal output:

baloo@LeW-O-Laptop:~$ primusrun steam steam://rungameid/520
Installing breakpad exception handler for appid(steam)/version(1355250651_client)
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 20467 with name 0eBlobRegistryMutex_46AC2CB239F2CC86E74219352F59EB87
removing stale semaphore last operated on by process 20467 with name 0eBlobRegistrySignal_46AC2CB239F2CC86E74219352F59EB87
removing stale semaphore last operated on by process 20467 with name 0emSteamEngineInstance
removing stale semaphore last operated on by process 20467 with name 0eSteamEngineLock
Installing breakpad exception handler for appid(steam)/version(1355250651_client)
[1213/001703: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)
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
ExecCommandLine: "/home/baloo/.local/share/Steam/ubuntu12_32/steam steam://rungameid/520"
ExecSteamURL: "steam://rungameid/520"
roaming config store loaded successfully - 1027 bytes.
migrating temporary roaming config store
removing stale semaphore last operated on by process 20467 with name 0eBlobRegistryMutex_282E172E2CAD1DE5E62BD53B975DBF7D
removing stale semaphore last operated on by process 20467 with name 0eBlobRegistrySignal_282E172E2CAD1DE5E62BD53B975DBF7D
Installing breakpad exception handler for appid(steam)/version(1355250651_client)
System startup time: 6,65 seconds
Generating new string page texture 64: 64x256, total string texture memory is 376,83 KB
ExecSteamURL: "steam://open/driverhelperready"
Generating new string page texture 65: 512x256, total string texture memory is 901,12 KB
Generating new string page texture 66: 128x256, total string texture memory is 1,03 MB
Game update: AppID 520 "Team Fortress 2 Beta", ProcID 21186, 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.
/home/baloo/.local/share/Steam/SteamApps/solazs/Team Fortress 2 Beta/hl2.sh: 72. sor: 21193 Szegmentálási hiba    ${GAME_DEBUGGER} "${GAMEROOT}"/${GAMEEXE} "$@"
Game removed: AppID 520 "Team Fortress 2 Beta", ProcID 21186 
saving roaming config store to 'sharedconfig.vdf'
roaming config store 2 saved successfully

System info:

Processor Information:
    Vendor:  GenuineIntel
    Speed: 2001 Mhz
    8 logical processors
    4 physical processors
    HyperThreading:  Supported
    FCMOV:  Supported
    SSE2:  Supported
    SSE3:  Supported
    SSSE3:  Supported
    SSE4a:  Unsupported
    SSE41:  Supported
    SSE42:  Supported
    
Network Information:
    Network Speed:  
    
Operating System Version:
    Ubuntu 12.04.1 LTS (64 bit)
    Kernel Name:  Linux
    Kernel Version:  3.5.0-18-generic
    X Server vendor:  The X.Org Foundation
    X Server release:  11203000
    
Video Card:
    Driver:  Intel Open Source Technology Center Mesa DRI Intel(R) Sandybridge Mobile x86/MMX/SSE2

    Driver Version:  3.0 Mesa 9.1-devel
    Desktop Color Depth: 24 bits per pixel
    Monitor Refresh Rate: 59 Hz
    VendorID:  0x10de
    DeviceID:  0xdf5
    Number of Monitors:  2
    Number of Logical Video Cards:  2
    Primary Display Resolution:  1680 x 1050
    Desktop Resolution: 3280 x 1050
    Primary Display Size: 18,66" x 11,65"  (21,97" diag)
                                            47,4cm x 29,6cm  (55,8cm diag)
   Primary VRAM Not Detected
    
Sound card:
    Audio device: Realtek ALC269VB
    
Memory:
    RAM:  7880 Mb
    
Miscellaneous:
    UI Language:  English
    LANG:  hu_HU.UTF-8
    Microphone:  Not set
    Total Hard Disk Space Available:  84483 Mb
    Largest Free Hard Disk Block:  27637 Mb
    
Installed software:
    
Recent Failure Reports:
    Wed Dec 12 12:55:49 2012 GMT: file ''/tmp/dumps/assert_20121212135546_1.dmp'', upload yes: ''CrashID=bp-514c03cf-43e5-4791-829d-fd8172121212''
    Wed Dec 12 12:55:52 2012 GMT: file ''/tmp/dumps/crash_20121212135550_2.dmp'', upload yes: ''CrashID=bp-91b866c8-2bb4-42d6-8798-3271d2121212''
    Wed Dec 12 12:57:18 2012 GMT: file ''/tmp/dumps/assert_20121212135714_1.dmp'', upload yes: ''CrashID=bp-3c89c2af-aeb1-43e2-b7ff-d85ea2121212''
    Wed Dec 12 12:57:22 2012 GMT: file ''/tmp/dumps/crash_20121212135718_2.dmp'', upload yes: ''CrashID=bp-30fcf9fe-5be3-407f-a677-5e6152121212''
    Wed Dec 12 16:07:00 2012 GMT: file ''/tmp/dumps/assert_20121212170657_1.dmp'', upload yes: ''CrashID=bp-1421d911-5a72-4e54-a639-b25d52121212''
    Wed Dec 12 16:21:33 2012 GMT: file ''/tmp/dumps/assert_20121212172129_2.dmp'', upload yes: ''CrashID=bp-26ec5eb3-f838-4cee-b200-c98e42121212''
    Wed Dec 12 16:21:37 2012 GMT: file ''/tmp/dumps/crash_20121212172133_3.dmp'', upload yes: ''CrashID=bp-3c83b2e5-12b0-414c-9ef3-d54662121212''
    Wed Dec 12 21:38:01 2012 GMT: file ''/tmp/dumps/assert_20121212223753_1.dmp'', upload yes: ''CrashID=bp-dfef8376-4038-45e7-bbc0-cfd662121212''
    Wed Dec 12 21:38:06 2012 GMT: file ''/tmp/dumps/crash_20121212223802_2.dmp'', upload yes: ''CrashID=bp-f69a152d-e71b-481d-aacc-566152121212''
    Wed Dec 12 22:58:34 2012 GMT: file ''/tmp/dumps/assert_20121212235830_1.dmp'', upload yes: ''CrashID=bp-3b10be21-3688-479c-9e67-8835c2121212''
    Wed Dec 12 23:16:18 2012 GMT: file ''/tmp/dumps/assert_20121213001614_1.dmp'', upload yes: ''CrashID=bp-2f366848-715b-4142-9583-e6a8e2121212''
    

I'd appreciate any help.

[Bor]

sysinfo video card section with primusrun:

Video Card:
    Driver:  NVIDIA Corporation GeForce GT 525M/PCIe/SSE2

    Driver Version:  4.3.0 NVIDIA 310.19
    Desktop Color Depth: 24 bits per pixel
    Monitor Refresh Rate: 59 Hz
    VendorID:  0x10de
    DeviceID:  0xdf5
    Number of Monitors:  2
    Number of Logical Video Cards:  2
    Primary Display Resolution:  1680 x 1050
    Desktop Resolution: 3280 x 1050
    Primary Display Size: 18,66" x 11,65"  (21,97" diag)
                                            47,4cm x 29,6cm  (55,8cm diag)
    Primary VRAM: 2047 MB

[Bor]

Also, weird X errors keep occuring with primus, too:

SteamUpdateUI: An X Error occurred
X Error of failed request:  BadDrawable (invalid Pixmap or Window parameter)
Major opcode of failed request:  136 (DRI2)
Minor opcode of failed request:  7 (DRI2GetBuffersWithFormat	)
Resource id in failed request:  0x380007e
Serial number of failed request:  738
xerror_handler: X failed, continuing
SteamUpdateUI: An X Error occurred
X Error of failed request:  BadDrawable (invalid Pixmap or Window parameter)