My Counter Strike:Source segfaults whenever I die and switch to spectator view.

My system info:

Processor Information:
    Vendor:  GenuineIntel
    Speed: 1995 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:  3.2.0-35-generic
    X Server Vendor:  The X.Org Foundation
    X Server Release:  11103000
    X Window Manager:  Compiz
    Steam Runtime Version:  <Runtime enabled>

Video Card:
    Driver:  NVIDIA Corporation GeForce GT 540M/PCIe/SSE2

    Driver Version:  4.3.0 NVIDIA 310.14
    Desktop Color Depth: 24 bits per pixel
    Monitor Refresh Rate: 60 Hz
    VendorID:  0x10de
    DeviceID:  0xdf4
    Number of Monitors:  2
    Number of Logical Video Cards:  2
    Primary Display Resolution:  1920 x 1080
    Desktop Resolution: 3840 x 1080
    Primary Display Size: 13.54" x 7.60"  (15.51" diag)
                                            34.4cm x 19.3cm  (39.4cm diag)
    Primary VRAM: 2047 MB

Sound card:
    Audio device: Intel CougarPoint HDMI

Memory:
    RAM:  3868 Mb

Miscellaneous:
    UI Language:  English
    LANG:  en_US.UTF-8
    Microphone:  Not set
    Total Hard Disk Space Available:  465508 Mb
    Largest Free Hard Disk Block:  92217 Mb

Installed software:

Recent Failure Reports:
    Mon Feb 18 19:11:12 2013 GMT: file ''/tmp/dumps/crash_20130218211103_1.dmp'', upload yes: ''CrashID=bp-e43ab3d0-ff1b-4c10-a0e6-34f8d2130218''
    Mon Feb 18 19:16:27 2013 GMT: file ''/tmp/dumps/crash_20130218211618_1.dmp'', upload yes: ''CrashID=bp-ae5b0ca3-4fee-4c87-a038-de8fc2130218''
    Mon Feb 18 19:27:10 2013 GMT: file ''/tmp/dumps/crash_20130218212700_1.dmp'', upload yes: ''CrashID=bp-9168fa20-b449-4f01-a0b9-b90892130218''
    Thu Feb 21 07:06:06 2013 GMT: file ''/tmp/dumps/crash_20130221090601_1.dmp'', upload yes: ''CrashID=bp-e502dcf6-4fc3-4430-a023-c033d2130220''

Terminal output

Looking up breakpad interfaces from steamclient
Calling BreakpadMiniDumpSystemInit
Steam_SetMinidumpSteamID:  Caching Steam ID:  76561198078828593 [API loaded yes]
Steam_SetMinidumpSteamID:  Setting Steam ID:  76561198078828593
Game update: AppID 240 "Counter-Strike: Source", ProcID 4989, IP 127.0.1.1:27015
warning: Unknown nb_ctl request:  4
warning: Unknown nb_ctl request:  4
warning: Unknown nb_ctl request:  4
warning: Unknown nb_ctl request:  4
warning: Unknown nb_ctl request:  4
warning: Unknown nb_ctl request:  4
Installing breakpad exception handler for appid(gameoverlayui)/version(1.0_client)
Installing breakpad exception handler for appid(steam)/version(1361398000_client)
Uploading dump (in-process) [proxy '']
/tmp/dumps/crash_20130221090601_1.dmp
success = yes
response:  CrashID=bp-e502dcf6-4fc3-4430-a023-c033d2130220
/home/yalazi/.local/share/Steam/SteamApps/yalazi/Counter-Strike Source/hl2.sh: line 72:  4989 Segmentation fault      (core dumped) ${GAME_DEBUGGER} "${GAMEROOT}"/${GAMEEXE} "$@"
Game removed: AppID 240 "Counter-Strike: Source", ProcID 4989 
saving roaming config store to 'sharedconfig.vdf'
roaming config store 2 saved successfully
Generating new string page texture 142: 8x256, total string texture memory is 6.08 MB