kgoetz@Rommel - Wed Sep 20 - 20:03:29 :~$ gdb /usr/bin/mono 
GNU gdb 6.4.90-debian
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This GDB was configured as "i486-linux-gnu"...(no debugging symbols found)
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".

(gdb) handle SIGXCPU SIG33 SIG35 SIGPWR nostop noprint
Signal        Stop      Print   Pass to program Description
SIGXCPU       No        No      Yes             CPU time limit exceeded
SIGPWR        No        No      Yes             Power fail/restart
SIG33         No        No      Yes             Real-time event 33
SIG35         No        No      Yes             Real-time event 35
(gdb) run /usr/lib/f-spot/f-spot.exe
Starting program: /usr/bin/mono /usr/lib/f-spot/f-spot.exe
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1210636608 (LWP 30654)]
[New Thread -1214940256 (LWP 30657)]
[New Thread -1220596832 (LWP 30658)]
Starting new FSpot server
[New Thread -1241629792 (LWP 30660)]
[Thread -1241629792 (LWP 30660) exited]
[New Thread -1250022496 (LWP 30661)]
[Thread -1250022496 (LWP 30661) exited]
XXXXX
System.ArgumentNullException: Argument cannot be null.
Parameter name: s
  at System.Int32.Parse (System.String s) [0x00000] 
  at MetaItem.get_ValueAsInt () [0x00000] 
  at FSpot.Database.Updater.Run (.Db database) [0x00000] 
  at Db.Init (System.String path, Boolean create_if_missing) [0x00000] 
  at FSpot.Core..ctor () [0x00000] 
  at FSpot.Driver.Main (System.String[] args) [0x00000] 
XXXXX
Starting new FSpot server
Starting new FSpot server
Starting new FSpot server
Starting new FSpot server
Starting new FSpot server

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1220596832 (LWP 30658)]
0x080c36be in mono_object_hash ()
(gdb) bt full
#0  0x080c36be in mono_object_hash ()
No symbol table info available.
#1  0x080c3a83 in mono_object_hash ()
No symbol table info available.
#2  0xb73f9bc1 in ?? ()
No symbol table info available.
#3  0x083cce40 in ?? ()
No symbol table info available.
#4  0xffffffff in ?? ()
No symbol table info available.
#5  0x0821fb90 in ?? ()
No symbol table info available.
#6  0x08234ae0 in ?? ()
No symbol table info available.
#7  0x082cd64c in ?? ()
No symbol table info available.
#8  0x0837731c in ?? ()
No symbol table info available.
#9  0x083cce40 in ?? ()
No symbol table info available.
#10 0x083cce40 in ?? ()
No symbol table info available.
#11 0xb73f226c in ?? ()
No symbol table info available.
#12 0xb73f9b9c in ?? ()
No symbol table info available.
#13 0xb73f2284 in ?? ()
No symbol table info available.
#14 0xb73f9b4c in ?? ()
No symbol table info available.
#15 0x083cce40 in ?? ()
No symbol table info available.
#16 0xffffffff in ?? ()
No symbol table info available.
#17 0x083cce40 in ?? ()
No symbol table info available.
#18 0x00085b58 in ?? ()
No symbol table info available.
#19 0xb73f22ac in ?? ()
No symbol table info available.
#20 0xb4fcb3f4 in ?? ()
No symbol table info available.
#21 0x083cce40 in ?? ()
No symbol table info available.
#22 0xb4fcb318 in ?? ()
No symbol table info available.
#23 0x083cce40 in ?? ()
No symbol table info available.
#24 0x0837731c in ?? ()
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#25 0xb73f22a0 in ?? ()
No symbol table info available.
#26 0xb73f22bc in ?? ()
No symbol table info available.
#27 0x00085b58 in ?? ()
No symbol table info available.
#28 0x00085b58 in ?? ()
No symbol table info available.
#29 0xb73f22bc in ?? ()
No symbol table info available.
#30 0xb4fcb3c6 in ?? ()
No symbol table info available.
#31 0x083cce40 in ?? ()
No symbol table info available.
#32 0x00000000 in ?? ()
No symbol table info available.
(gdb)