lainestump@rcn.com said:
> 	+$Hc-1#09 

That's a "set thread" command, it should be ignored (ie
answered with an empty string) by the kernel. (See
kern/kgdb_stub.c for the kernel side.)

Iirc there is some "remotedebug" or so command in gdb which
lets it log all conversation - perhaps this helps.

best regards
Matthias