If you don't want any problems, I suggest you update to L4DToolZ instead.
http://forums.alliedmods.net/showthread.php?t=93600
I'm not getting any random server crashes anymore, after I changed to l4dtoolz. Works perfect for both linux and windows.
+ l4dtoolz dosen't need any unreserve.smx plugins, just a simple cvar in your server.cfg