Here is the error that I get when the server changes maps on the linux version of R2.1 which results in a server crash.

Bot Logo spraying turned on
Pathfinder danger factor set to 800
Waypoints created by Cooley
Creating bot...
L 05/17/2004 - 08:15:19: "Make my Day<13><0><>" entered the game
L 05/17/2004 - 08:15:19: "Make my Day<13><0><>" joined team "CT"
./hlds_run: line 423: 6224 Segmentation fault $HL_CMD
Add "-debug" to the ./hlds_run command line to generate a debug.log to help with solving this problem
Mon May 17 08:15:19 CDT 2004: Server restart in 10 seconds

May be a waypoint problem. I will do some more investigating. (looks like it is a bad waypoint file for a custom map as I could reproduce it.)

Cooley

Ps I also just got the bad pointer crash (sorry I have not had time to read the forums and I have to go to work.

L 05/17/2004 - 08:25:43: World triggered "Round_Start"
L 05/17/2004 - 08:25:56: FATAL ERROR (shutting down): NUM_FOR_EDICT: bad pointer
FATAL ERROR (shutting down): NUM_FOR_EDICT: bad pointer
Add "-debug" to the ./hlds_run command line to generate a debug.log to help with solving this problem