First of all this is not a Backtrack bug, I think if the problem persists you should go to the guys at Metasploit, also try upgrading, my metasploit works:
Code:root@evilbox:/pentest/exploits/framework3# ./msfconsole | | _) | __ `__ \ _ \ __| _` | __| __ \ | _ \ | __| | | | __/ | ( |\__ \ | | | ( | | | _| _| _|\___|\__|\__,_|____/ .__/ _|\___/ _|\__| _| =[ metasploit v3.6.0-dev [core:3.6 api:1.0] + -- --=[ 645 exploits - 329 auxiliary + -- --=[ 216 payloads - 27 encoders - 8 nops =[ svn r11836 updated today (2011.02.26) msf >


