alexm@Desktop:~$ steam
Running Steam on ubuntu 12.04 64-bit
STEAM_RUNTIME is enabled automatically
Installing breakpad exception handler for appid(steam)/version(1361807486_client)
Installing breakpad exception handler for appid(steam)/version(1361807486_client)
[2013-03-01 14:04:29] Verifying installation...
unlinked 0 orphaned pipes
Installing breakpad exception handler for appid(steam)/version(1361807486_client)
[0301/140430:WARNING:proxy_service.cc(646)] PAC support disabled because there is no system implementation
Installing breakpad exception handler for appid(steam)/version(1361807486_client)
Installing breakpad exception handler for appid(steam)/version(1361807486_client)
Installing breakpad exception handler for appid(steam)/version(1361807486_client)
Installing breakpad exception handler for appid(steam)/version(1361807486_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(1361807486_client)
Installing breakpad exception handler for appid(steam)/version(1361807486_client)
Installing breakpad exception handler for appid(steam)/version(1361807486_client)
`menu_proxy_module_load': /home/alexm/Steam/ubuntu12_32/steam: undefined symbol: menu_proxy_module_load

(steam:5384): Gtk-WARNING **: Failed to load type module: (null)

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roaming config store loaded successfully - 3284 bytes.
migrating temporary roaming config store
ExecCommandLine: "/home/alexm/Steam/ubuntu12_32/steam"
Generating new string page texture 70: 1024x256, total string texture memory is 1.36 MB
Generating new string page texture 71: 128x256, total string texture memory is 1.49 MB
Generating new string page texture 72: 128x256, total string texture memory is 131.07 KB
Generating new string page texture 73: 64x256, total string texture memory is 1.56 MB
Generating new string page texture 74: 32x256, total string texture memory is 1.59 MB
Generating new string page texture 79: 128x256, total string texture memory is 1.72 MB
Generating new string page texture 80: 128x256, total string texture memory is 1.85 MB
Generating new string page texture 81: 256x256, total string texture memory is 2.11 MB
Generating new string page texture 82: 48x256, total string texture memory is 2.16 MB
Generating new string page texture 83: 512x256, total string texture memory is 2.69 MB
Generating new string page texture 84: 24x256, total string texture memory is 2.71 MB
Generating new string page texture 137: 384x256, total string texture memory is 3.10 MB
Generating new string page texture 138: 2048x256, total string texture memory is 5.20 MB
System startup time: 8.46 seconds
Running Steam on ubuntu 12.04 64-bit
STEAM_RUNTIME has been set by the user to: /home/alexm/Steam/ubuntu12_32/steam-runtime
ExecCommandLine: "/home/alexm/.steam/root/ubuntu12_32/steam steam://open/driverhelperready"
ExecSteamURL: "steam://open/driverhelperready"
CAsyncIOManager: creating I/O worker thread
CAsyncIOManager: creating I/O worker thread
Installing breakpad exception handler for appid(steam)/version(1361807486_client)
CAsyncIOManager: creating I/O worker thread
CAsyncIOManager: creating I/O worker thread