STEAM_RUNTIME=0 steam
Running Steam on gentoo  64-bit
STEAM_RUNTIME is disabled by the user
Installing breakpad exception handler for appid(steam)/version(1366922897_client)
Installing breakpad exception handler for appid(steam)/version(1366922897_client)
unlinked 0 orphaned pipes
Installing breakpad exception handler for appid(steam)/version(1366922897_client)
[0428/113903:ERROR:object_proxy.cc(239)] Failed to call method: org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.NetworkManager was not provided by any .service files
[0428/113903:WARNING:proxy_service.cc(646)] PAC support disabled because there is no system implementation
/home/buildbot/buildslave_steam/steam_rel_client_ubuntu12_linux/build/src/steamUI/../common/steam/client_api.cpp (281) : Assertion Failed: ClientAPI_InitGlobalInstance: InternalAPI_Init_Internal failed.

Assert( Assertion Failed: ClientAPI_InitGlobalInstance: InternalAPI_Init_Internal failed.
 ):/home/buildbot/buildslave_steam/steam_rel_client_ubuntu12_linux/build/src/steamUI/../common/steam/client_api.cpp:281

Installing breakpad exception handler for appid(steam)/version(1366922897_client)
Uploading dump (out-of-process) [proxy '']
/tmp/dumps/assert_20130428113903_1.dmp
/home/buildbot/buildslave_steam/steam_rel_client_ubuntu12_linux/build/src/steamUI/SteamStartup.cpp (628) : Assertion Failed: ! "There was a problem with your Steam installation.\n" "Please reinstall steam.\n"
unlinked 2 orphaned pipes
CAsyncIOManager: 0 threads terminating.  0 reads, 0 writes, 0 deferrals.
CAsyncIOManager: 238 single object sleeps, 0 multi object sleeps
CAsyncIOManager: 0 single object alertable sleeps, 1 multi object alertable sleeps
[2013-04-28 11:39:02] Startup - updater built Apr 25 2013 13:19:25
[2013-04-28 11:39:02] Opted in to client beta 'publicbeta' via beta file
[2013-04-28 11:39:02] Verifying installation...
[2013-04-28 11:39:02] Verification complete
Shutting down. . .
[2013-04-28 11:39:03] Shutdown
Finished uploading minidump (out-of-process): success = yes
response: CrashID=bp-4599f23a-c73d-4fe0-b48b-1f44d2130428