报错，然后我就退出了Steam，具体终端里的提示，如下：
zero@Vostro-1450:~$ steam
Running Steam on ubuntu 12.04 64-bit
STEAM_RUNTIME is enabled automatically
Installing breakpad exception handler for appid(steam)/version(1390852599_client)
libGL error: failed to load driver: i965
libGL error: Try again with LIBGL_DEBUG=verbose for more details.
libGL error: failed to load driver: swrast
libGL error: Try again with LIBGL_DEBUG=verbose for more details.
Installing breakpad exception handler for appid(steam)/version(1390852599_client)
unlinked 0 orphaned pipes
Installing breakpad exception handler for appid(steam)/version(1390852599_client)
[0202/002147:WARNING:proxy_service.cc(958)] PAC support disabled because there is no system implementation
libGL error: failed to load driver: i965
libGL error: Try again with LIBGL_DEBUG=verbose for more details.
libGL error: failed to load driver: swrast
libGL error: Try again with LIBGL_DEBUG=verbose for more details.
Error: OpenGL GLX context is not using direct rendering, which may cause performance problems.
For more information visit
https://support.steampowered.com/kb_art ... -EYZB-7457.
Installing breakpad exception handler for appid(steam)/version(1390852599_client)
Installing breakpad exception handler for appid(steam)/version(1390852599_client)
Installing breakpad exception handler for appid(steam)/version(1390852599_client)
Installing breakpad exception handler for appid(steam)/version(1390852599_client)
Installing breakpad exception handler for appid(steam)/version(1390852599_client)
Installing breakpad exception handler for appid(steam)/version(1390852599_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(1390852599_client)
Installing breakpad exception handler for appid(steam)/version(1390852599_client)
Generating new string page texture 5: 128x256, total string texture memory is 442.37 KB
Generating new string page texture 6: 32x256, total string texture memory is 475.14 KB
Generating new string page texture 7: 384x256, total string texture memory is 868.35 KB
Generating new string page texture 8: 64x256, total string texture memory is 933.89 KB
Focused window is now 1, 0
Adding license for package 0
Adding license for package 2487
Adding license for package 4912
Adding license for package 7272
Adding license for package 8228
Adding license for package 8230
Adding license for package 8363
Adding license for package 8364
Adding license for package 8952
Adding license for package 11477
Adding license for package 11793
Adding license for package 13235
Adding license for package 13844
Adding license for package 14226
Adding license for package 14613
Adding license for package 15626
Adding license for package 16610
Adding license for package 18092
Adding license for package 19072
Adding license for package 27214
roaming config store loaded successfully - 819 bytes.
migrating temporary roaming config store
libGL error: failed to load driver: i965
libGL error: Try again with LIBGL_DEBUG=verbose for more details.
libGL error: failed to load driver: swrast
libGL error: Try again with LIBGL_DEBUG=verbose for more details.
ExecCommandLine: "/home/zero/.local/share/Steam/ubuntu12_32/steam"
System startup time: 13.42 seconds
libGL error: failed to load driver: i965
libGL error: Try again with LIBGL_DEBUG=verbose for more details.
libGL error: failed to load driver: swrast
libGL error: Try again with LIBGL_DEBUG=verbose for more details.
OnFocusWindowChanged to window type: k_EWindowTypeSteamDesktop, 0
Generating new string page texture 76: 1024x256, total string texture memory is 1.98 MB
Generating new string page texture 77: 128x256, total string texture memory is 131.07 KB
`menu_proxy_module_load': /home/zero/.local/share/Steam/ubuntu12_32/steam: undefined symbol: menu_proxy_module_load
(steam:4207): Gtk-WARNING **: Failed to load type module: (null)
Generating new string page texture 82: 128x256, total string texture memory is 2.11 MB
Generating new string page texture 84: 256x256, total string texture memory is 2.38 MB
Running Steam on ubuntu 12.04 64-bit
STEAM_RUNTIME has been set by the user to: /home/zero/.local/share/Steam/ubuntu12_32/steam-runtime
unlinked 2 orphaned pipes
CAsyncIOManager: 0 threads terminating. 0 reads, 0 writes, 0 deferrals.
CAsyncIOManager: 10158 single object sleeps, 0 multi object sleeps
CAsyncIOManager: 0 single object alertable sleeps, 1 multi object alertable sleeps
[2014-02-02 00:21:46] Startup - updater built Jan 25 2014 13:44:41
[2014-02-02 00:21:47] Verifying installation...
[2014-02-02 00:21:47] Verification complete
Shutting down. . .
[2014-02-02 00:22:02] Shutdown