I'm not sure if this is an issue with the game or Linux, but every once in a while, the paintball2 directory will "disappear" from within the game.
...
[03:19:46] [Fang]WarWulf: tarm
[03:19:46] 1 occurrences of midnight2 removed from maplist.
[03:19:46] Failed to open ./pball/save/current/siegecastle.sv2
[03:19:46] ------- Server Initialization -------
[03:19:46] ********************
ERROR: Couldn't load maps/midnight2.bsp
********************
[03:19:46] Sending heartbeat to 70.85.9.178:27900
[03:19:46] ==== ShutdownGame ====
map midnight2
[********] Date: 2007-11-09
[02:05:12] Can't find maps/midnight2.bsp
dir
[02:05:27] Directory of ./pball/*.*
[02:05:27] ----
[02:05:27]
[02:05:27] Directory of ./pball/*.*
[02:05:27] ----
[02:05:27]
Poof. Gone. The directory cvars and whatnot are all set correctly, but when I try to load a map or get a directory listing, nothing is there. The server is still "running" but useless because nothing can be loaded. Any ideas as to what might be causing this?