Well $hit! I ran on a VM with Ubuntu 13.10...same problem:
Starting program: /SystemApps/Gorm.app/Gorm
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
2014-01-03 20:09:11.042 Gorm[6849] QueryTree window is 25186477 (root 373 cwin root 373)
2014-01-03 20:09:11.102 Gorm[6849] QueryTree window is 25186476 (root 373 cwin root 373)
2014-01-03 20:09:11.573 Gorm[6849] QueryTree window is 25186511 (root 373 cwin root 373)
2014-01-03 20:09:11.574 Gorm[6849] QueryTree window is 25186510 (root 373 cwin root 373)
Program received signal SIGSEGV, Segmentation fault.
-[NSWindow sendEvent:] (self=0x0, _cmd=<optimized out>, theEvent=0x1080810) at NSWindow.m:4409
4409 NSWindow.m: No such file or directory.
(gdb) bt
#0 -[NSWindow sendEvent:] (self=0x0, _cmd=<optimized out>, theEvent=0x1080810) at NSWindow.m:4409
#1 0x00007ffff71ea46e in -[GSDragView(Private) _handleDrag:slidePoint:] (self=0xb4aa70, _cmd=<optimized out>, theEvent=0x1052960,
slidePoint=...) at GSDragView.m:720
#2 0x00007ffff71e88e3 in -[GSDragView dragImage:at:offset:event:pasteboard:source:slideBack:] (self=0xb4aa70,
_cmd=<optimized out>, anImage=0x8866a0, screenLocation=..., initialOffset=..., event=0xab2760, pboard=<optimized out>,
sourceObject=0xd536c0, slideFlag=1 '\001') at GSDragView.m:290
#3 0x00007ffff2208769 in -[XGDragView dragImage:at:offset:event:pasteboard:source:slideBack:] (address@hidden,
address@hidden <_OBJC_SELECTOR_TABLE+7952>, address@hidden, screenLocation=...,
initialOffset=..., address@hidden, address@hidden, address@hidden,
address@hidden '\001') at XGDragView.m:228
#4 0x00007ffff71bfc36 in -[NSWindow dragImage:at:offset:event:pasteboard:source:slideBack:] (address@hidden,
address@hidden <_OBJC_SELECTOR_TABLE+5168>, address@hidden, baseLocation=...,
initialOffset=..., address@hidden, address@hidden, address@hidden,
address@hidden '\001') at NSWindow.m:4674
#5 0x00007ffff71a9464 in -[NSView dragImage:at:offset:event:pasteboard:source:slideBack:] (address@hidden,
address@hidden <_OBJC_SELECTOR_TABLE+3120>, anImage=0x8866a0, viewLocation=..., initialOffset=...,
address@hidden, address@hidden, address@hidden,
address@hidden '\001') at NSView.m:3860
#6 0x00007ffff7b291d4 in -[GormObjectEditor mouseDown:] (self=0xd536c0, _cmd=<optimized out>, theEvent=0xab2760)
at GormObjectEditor.m:481
#7 0x00007ffff71c93d0 in -[NSWindow sendEvent:] (self=0xad8630, _cmd=<optimized out>, theEvent=0xab2760) at NSWindow.m:3896
#8 0x00007ffff704c6f3 in -[NSApplication run] (self=0x87e2f0, _cmd=<optimized out>) at NSApplication.m:1562
#9 0x00007ffff702cfe5 in NSApplicationMain (argc=<optimized out>, argv=<optimized out>) at Functions.m:91
#10 0x00007ffff5ed5de5 in __libc_start_main (main=0x4019c0 <main>, argc=1, ubp_av=0x7fffffffdc78, init=<optimized out>,
fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffdc68) at libc-start.c:260
#11 0x0000000000401a05 in _start ()
At least it's now showing the NSWindow.m info. I'll see if I can dig up anything else.