[Openmcl-devel] Another bug found: 050610a darwin + cvs up June 12

David Steuber david at david-steuber.com
Mon Jun 13 08:30:01 UTC 2005


On Jun 13, 2005, at 3:59 AM, David Steuber wrote:

> I managed to tickle another bug that got me into the kernel debugger.  
> I was running my own program via slime, but it looks like the bug was 
> triggered in one of my functions.  If you need the source, let me 
> know.  I would like to keep it confidential.  Here is a backtrace:

I found a very short test case for this bug while examining my code;

$ openmcl
Welcome to OpenMCL Version (Beta: DarwinPPC32) 0.14.3-050610a!
? (aref "" 0)
Unhandled exception 5 at 0x00006d7c, context->regs at #xf0135728
Bad index 0 for vector 0639EE26 length 0
? for help
[25975] OpenMCL kernel debugger: :b
[25975] OpenMCL kernel debugger:

(#xF0135C10) #x00005F60 : (subprimitive _nvalret)
(#xF0135C20) #x00005E54 : (subprimitive _ret1valn)
(#xF0135C30) #x0210E964 : #<Function CALL-CHECK-REGS #x060de57e> + 72
(#xF0135C40) #x00005E54 : (subprimitive _ret1valn)
(#xF0135C50) #x0211A244 : #<Function TOPLEVEL-EVAL #x060f061e> + 152
(#xF0135C60) #x0211A800 : #<Function READ-LOOP #x060f0c1e> + 844
(#xF0135C70) #x0211A838 : #<Function READ-LOOP #x060f0c1e> + 900
(#xF0135C80) #x0211A864 : #<Function READ-LOOP #x060f0c1e> + 944
(#xF0135C90) #x0211A890 : #<Function READ-LOOP #x060f0c1e> + 988
(#xF0135CA0) #x0210E8B0 : #<Function TOPLEVEL-LOOP #x060de34e> + 44
(#xF0135CB0) #x0210E8B8 : #<Function TOPLEVEL-LOOP #x060de34e> + 52
(#xF0135CC0) #x02108328 : #<Anonymous Function #x060d6c16> + 68
(#xF0135CD0) #x00005E54 : (subprimitive _ret1valn)
(#xF0135CE0) #x02128D70 : #<Anonymous Function #x061117d6> + 612
(#xF0135CF0) #x02128B5C : #<Anonymous Function #x061117d6> + 80
(#xF0135D00) #x0210672C : #<Function RUN-PROCESS-INITIAL-FORM 
#x060d262e> + 400
(#xF0135D10) #x02106768 : #<Function RUN-PROCESS-INITIAL-FORM 
#x060d262e> + 460
(#xF0135D20) #x0210687C : #<Function RUN-PROCESS-INITIAL-FORM 
#x060d262e> + 736
(#xF0135D30) #x00005E54 : (subprimitive _ret1valn)
(#xF0135D40) #x021069FC : #<Anonymous Function #x060d2766> + 152
(#xF0135D50) #x021069E4 : #<Anonymous Function #x060d2766> + 128
(#xF0135D60) #x020FC530 : #<Anonymous Function #x060c5ae6> + 172
(#xF0135D70) #x000092C8 : (subprimitive toplevel_loop)
(#xF0135D80) #x000092D4 : (subprimitive toplevel_loop)
(#xf0135d90) #x000093E4 : _start_lisp + 248
(#xf0135e50) #x0001B1BC : _lisp_thread_entry + 224
(#xf0135eb0) #x90024910 : __pthread_body + 40
(#xf0135f00) #x00000000 : (null) + 0


cstack area #x00100590


(#xBFFFFA80) #x020FD5B8 : #<Function %NANOSLEEP #x060c6c86> + 268
(#xBFFFFA90) #x02108190 : #<Anonymous Function #x060d6b3e> + 300
(#xBFFFFAA0) #x021081B4 : #<Anonymous Function #x060d6b3e> + 336
(#xBFFFFAB0) #x021081BC : #<Anonymous Function #x060d6b3e> + 344
(#xBFFFFAC0) #x021081F0 : #<Anonymous Function #x060d6b3e> + 396
(#xBFFFFAD0) #x000092C8 : (subprimitive toplevel_loop)
(#xBFFFFAE0) #x000092D4 : (subprimitive toplevel_loop)
(#xbffffaf0) #x000093E4 : _start_lisp + 248
[25975] OpenMCL kernel debugger: :k
[25975] OpenMCL kernel debugger:





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