Steam ran properly before an upgrade from stock ubuntu 13.10 drivers.

Here is console output:

Running Steam on ubuntu 13.10 64-bit
STEAM_RUNTIME is enabled automatically
Installing breakpad exception handler for
appid(steam)/version(1390852599_client)
steam: ../../../../src/loader/loader.c:114: asserted_dlsym: Assertion `result'
failed.
ILocalize::AddFile() failed to load file
"public/steambootstrapper_english.txt".
[2014-01-30 03:18:26] Startup - updater built Nov 25 2013 18:07:05
Uploading dump (out-of-process) [proxy '']
/tmp/dumps/crash_20140130031826_1.dmp
/home/ogyct/.local/share/Steam/steam.sh: line 755:  2744 Aborted               
 (core dumped) $STEAM_DEBUGGER "$STEAMROOT/$PLATFORM/$STEAMEXE" "$@"
mv: cannot stat ‘/home/ogyct/.steam/registry.vdf’: No such file or directory
Installing bootstrap /home/ogyct/.local/share/Steam/bootstrap.tar.xz
Reset complete!
Restarting Steam by request...
Running Steam on ubuntu 13.10 64-bit
STEAM_RUNTIME has been set by the user to:
/home/ogyct/.local/share/Steam/ubuntu12_32/steam-runtime
Installing breakpad exception handler for
appid(steam)/version(1390852599_client)
steam: ../../../../src/loader/loader.c:114: asserted_dlsym: Assertion `result'
failed.
ILocalize::AddFile() failed to load file
"public/steambootstrapper_english.txt".
[2014-01-30 03:18:29] Startup - updater built Nov 25 2013 18:07:05
Uploading dump (out-of-process) [proxy '']
/tmp/dumps/crash_20140130031829_1.dmp
/home/ogyct/.local/share/Steam/steam.sh: line 755:  2867 Aborted               
 (core dumped) $STEAM_DEBUGGER "$STEAMROOT/$PLATFORM/$STEAMEXE" "$@"
Finished uploading minidump (out-of-process): success = yes
response: CrashID=bp-57c70046-bcd3-42a2-b276-58ea12140129
Finished uploading minidump (out-of-process): success = yes
response: CrashID=bp-3ffa1ba6-ef90-42b4-9a5a-2489b2140129