Someone

mono$ mdb /mono/lib/banshee/banshee.exe
Mono Debugger
(mdb) run
Starting program: /mono/lib/banshee/banshee.exe
Could not find file "/mono/lib/mono/1.0/System.dll.mdb".
Process @4 stopped at #0: 0x40e67786 in Banshee.BansheeEntry.Main(System.String[])+0x1e at /home/cvs/banshee/src/Main.cs:40.
  40                 Startup(args);
(mdb) cont
Could not find file "/mono/lib/mono/gac/dbus-sharp/0.35.2.0__9eef2692033670f5/dbus-sharp.dll.mdb".
Could not find file "/mono/lib/banshee/ipod-sharp.dll.mdb".
New process @5
New process @6
Process @5 terminated normally.
Process @6 terminated normally.
New process @7
Player Engine `Helix Framework Engine (hxclientkit)' failed init tests... disabling (Couldn't create player)
EXCEPTION: System.ArgumentException: Key duplication when adding: 1118292912
in [0x00150] (at /home/cvs/mcs/class/corlib/System.Collections/Hashtable.cs:781) System.Collections.Hashtable:PutImpl (System.Object key, System.Object value, Boolean overwrite)
in [0x00004] (at /home/cvs/mcs/class/corlib/System.Collections/Hashtable.cs:433) System.Collections.Hashtable:Add (System.Object key, System.Object value)
in [0x0001a] (at /home/cvs/mcs/class/corlib/System.Collections/Hashtable.cs:1185) System.Collections.Hashtable+SyncHashtable:Add (System.Object key, System.Object value)
in [0x00025] (at /home/cvs/debugger/backends/MonoThreadManager.cs:107) Mono.Debugger.Backends.MonoThreadManager:ThreadCreated (Mono.Debugger.Backends.SingleSteppingEngine sse, Mono.Debugger.Backends.Inferior inferior, Mono.Debugger.Backends.Inferior caller_inferior)
in [0x00068] (at /home/cvs/debugger/backends/ThreadManager.cs:262) Mono.Debugger.Backends.ThreadManager:thread_created (Mono.Debugger.Backends.Inferior inferior, Int32 pid)
in [0x000d5] (at /home/cvs/debugger/backends/ThreadManager.cs:344) Mono.Debugger.Backends.ThreadManager:HandleChildEvent (Mono.Debugger.Backends.SingleSteppingEngine engine, Mono.Debugger.Backends.Inferior inferior, Mono.Debugger.Backends.ChildEvent cevent)
in (wrapper remoting-invoke-with-check) Mono.Debugger.Backends.ThreadManager:HandleChildEvent (Mono.Debugger.Backends.SingleSteppingEngine,Mono.Debugger.Backends.Inferior,Mono.Debugger.Backends.Inferior/ChildEvent&)
in [0x000f1] (at /home/cvs/debugger/backends/SingleSteppingEngine.cs:178) Mono.Debugger.Backends.SingleSteppingEngine:ProcessEvent (Int32 status)
in (wrapper remoting-invoke-with-check) Mono.Debugger.Backends.SingleSteppingEngine:ProcessEvent (int)
in [0x000c4] (at /home/cvs/debugger/backends/ThreadManager.cs:454) Mono.Debugger.Backends.ThreadManager:engine_thread_main ()