[Openmcl-devel] Bogus or non-bogus?

Arthur W Cater arthur.cater at ucd.ie
Thu Apr 23 14:38:56 UTC 2009


Hi,

This backtrace output confuses me. (darwin ppc32 1.3 R11960m, cocoa-application)

The same item (the NEWMOYO argument, the "Black Moyo#149") shows up as a bogus object in
some parts of :RAW output and in the :V output, but not in the :B output or other
parts of the selfsame :RAW output. How could that be, should I worry?

And just what are 'bogus objects' anyway? I vaguely imagine they are junk where the GC
has been, but then I'd expect never to see them, so really I do not understand.

Thanks for any advice forthcoming,
Arthur

1 > (:raw 12)
 (F0300B40) : 12 (MAXIMISE-MOYO #<Black Moyo#149, TotalSize 26, Outposts (@G1 @F2 @G3 @J5 @P4 @Q3)> 2 NIL NIL (12 24)) 244
  0 NEWMOYO: #<BOGUS object @ #x3E5594E> ("required")
  1 WHO: 2 ("required")
  2 FAILEDSPOTS: NIL ("required")
  3 CONSUMED: NIL ("required")
  4 ENGULFABLE: (12 24) ("required")
  5 : <Hops: [@G1, at F2, at G3, at J5, at P4, at Q3] {CONNECT,CONNECT,INTRABLOCK,VISIBLE,CONNECT,VISIBLE} (NIL,1) [i19,b1,v6]> ("saved SAVE0")
  6 : #<COCOA-LISTENER-PROCESS Listener(6) [Active] #x88B4FEE> ("saved SAVE1")
  7 : 2 ("saved SAVE2")
  8 : FORMAT ("saved SAVE3")
  9 : (12 24) ("saved SAVE4")
  10 : 457 ("saved SAVE5")
  11 : (#<EVAL-QUEUE-PROCESS Eval-Queue(7) [semaphore wait] #x88C4F6E> #<COCOA-LISTENER-PROCESS Listener(6) [Active] #x88B4FEE> #<PROCESS housekeeping(5) [Sleep] #x88B0756> #<APPKIT-PROCESS Initial(0) [Active] #x817B36E>) ("saved SAVE6")
  12 : @G1 ("saved SAVE7")
  13 GROWN: #<Black Moyo#150, TotalSize 8, Outposts (@G1 @F2 @G3 @G3)>
  14 USED: #<Black Moyo#148, TotalSize 72, Outposts (@Q3 @>3 @>0 @D0 @D2 @E3 @G5 @G3 @F2 @P4)>

1 > (:v 0 12)
#<BOGUS object @ #x3E5594E>
1 > (:b :start 12 :count 1 :show-frame-contents t)
 (F0300B40) : 12 (MAXIMISE-MOYO #<Black Moyo#149, TotalSize 26, Outposts (@G1 @F2 @G3 @J5 @P4 @Q3)> 2 NIL NIL (12 24)) 244
  (NEWMOYO WHO FAILEDSPOTS CONSUMED ENGULFABLE)
   NEWMOYO: #<Black Moyo#149, TotalSize 26, Outposts (@G1 @F2 @G3 @J5 @P4 @Q3)>
   WHO: 2
   FAILEDSPOTS: NIL
   CONSUMED: NIL
   ENGULFABLE: (12 24)

  GROWN: #<Black Moyo#150, TotalSize 8, Outposts (@G1 @F2 @G3 @G3)>
  USED: #<Black Moyo#148, TotalSize 72, Outposts (@Q3 @>3 @>0 @D0 @D2 @E3 @G5 @G3 @F2 @P4)>

1 > 
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