Yeah, my server has locked up aswell.
Code:
Could not establish connection to Steam servers.
Could not establish connection to Steam servers.
Uploading dump (in-process) [proxy '']
/tmp/dumps/crash_20130710223246_1.dmp
success = no
error: Couldn't connect to server
/usr/local/srcds/gameserver/orangebox/srcds_run: line 324: 18221 Segmentation fault (core dumped) $HL_CMD
Add "-debug" to the /usr/local/srcds/gameserver/orangebox/srcds_run command line to generate a debug.log to help with solving this problem
Wed Jul 10 22:35:00 UTC 2013: Server restart in 10 seconds