could not open steam after installing.

I've tried this advise but it didn't help http://askubuntu.com/questions/219656/steam-not-opening-or-responding-at-all

Any advices?

volna80@volna80-vaio-u:~$ steam
Running Steam on ubuntu 12.04 64-bit
STEAM_RUNTIME is enabled automatically
Installing breakpad exception handler for appid(steam)/version(1366403468_client)
Installing breakpad exception handler for appid(steam)/version(1366403468_client)
Installing breakpad exception handler for appid(steam)/version(1366403468_client)
unlinked 0 orphaned pipes
removing stale semaphore last operated on by process 2499 with name 0eBlobRegistryMutex_1B36F5B3FB0E23FEE0F3DEA8490A0906
removing stale semaphore last operated on by process 2499 with name 0eBlobRegistrySignal_1B36F5B3FB0E23FEE0F3DEA8490A0906
removing stale semaphore last operated on by process 2499 with name 0emSteamEngineInstance
removing stale semaphore last operated on by process 2499 with name 0eSteamEngineLock
Installing breakpad exception handler for appid(steam)/version(1366403468_client)
Steam: An X Error occurred
X Error of failed request: BadRequest (invalid request code or no such operation)
Major opcode of failed request: 154 (GLX)
Minor opcode of failed request: 19 (X_GLXQueryServerString)
Serial number of failed request: 34
xerror_handler: X failed, continuing
Steam: An X Error occurred
X Error of failed request: BadRequest (invalid request code or no such operation)
Major opcode of failed request: 154 (GLX)
Minor opcode of failed request: 19 (X_GLXQueryServerString)
Serial number of failed request: 63
xerror_handler: X failed, continuing
Steam: An X Error occurred
X Error of failed request: BadRequest (invalid request code or no such operation)
Major opcode of failed request: 154 (GLX)
Minor opcode of failed request: 14 (X_GLXGetVisualConfigs)
Serial number of failed request: 92
xerror_handler: X failed, continuing