[4694] in SIPB bug reports

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Mosaic crash - DEC5000/25 platform

daemon@ATHENA.MIT.EDU (sethf@MIT.EDU)
Tue Jul 5 07:49:09 1994

From: sethf@MIT.EDU
Date: Tue, 5 Jul 1994 07:47:27 -0400
To: bug-sipb@MIT.EDU

	I was webbing around, when the following occurred:

% sh: : not found
sh: syntax error at line 2: `&' unexpected
sh: : not found
sh: syntax error at line 2: `&' unexpected
pid 18262 (Mosaic) was killed on an unaligned access, at pc 0x59c970

Congratulations, you have found a bug in
NCSA Mosaic 2.4 on DEC Ultrix.

If a core file was generated in your directory,
please run 'dbx Mosaic' (or 'dbx /path/Mosaic' if the
Mosaic executable is not in your current directory)
and then type:
  dbx> where
and mail the results, and a description of what you were doing at the time,
to mosaic-x@ncsa.uiuc.edu.  We thank you for your support.

...exiting NCSA Mosaic now.


[1]    Illegal instruction  Mosaic (core dumped) (wd: ~)


% dbx /mit/sipb/decmipsetc/Mosaic core
dbx version 2.10.1
Type 'help' for help.
Corefile produced from file "Mosaic"
Child died at pc 0x662c40 of signal : Illegal instruction
reading symbolic information ...
[using memory image in core]
(dbx) where
>  0 abort.abort(0x0, 0x0, 0x0, 0x0, 0x4004c4) ["../malloc.c":819, 0x662c3c]
   1 RealFatal() ["main.c":124, 0x4003d4]
   2 FatalProblem(sig = 10, code = 16, scp = 0x7fffb1a4, addr = 0x4003f0 = "\350\377\275'^T") ["main.c":153, 0x4004c0]
   3 _XtSendFocusEvent(0xa, 0x0, 0x0, 0x7fffb4d8, 0x59b9a0) [0x59c96c]
   4 _XtHandleFocus(0x10205ec0, 0x7fffb4d8, 0x7fffb3b8, 0x0, 0x0) ["Keyboard.c":556, 0x5c3d74]
   5 DispatchEvent(0x104e0400, 0x20, 0x100d9104, 0x0, 0x0) ["Event.c":687, 0x59b99c]
   6 DecideToDispatch(0x5a1b9c, 0x0, 0x7fffb4d8, 0x0, 0x1) ["Event.c":1016, 0x59c184]
   7 XtDispatchEvent(0x7fffb4d8, 0x1010c570, 0x101124a0, 0x4756, 0x404b14) ["Event.c":1078, 0x59c430]
   8 XtAppMainLoop(0x1006c9d8, 0x4756, 0x0, 0x1, 0x100d2000) ["Event.c":1201, 0x59c7e4]
   9 .block20 ["gui.c":2281, 0x404b10]
  10 mo_do_gui(argc = 2, argv = 0x7fffb614) ["gui.c":2281, 0x404b10]
  11 main.main(argc = 2, argv = 0x7fffb614) ["main.c":206, 0x400534]
(dbx)

	At the time, I was reading abbe's homepage, and flipping back
and forth between an external (not Mosaic-spawned) xv and the Mosaic
window. I was doing this flipping since I needed the external xv to view
non-inlined images, as the Mosaic program was giving me trouble with this
function (roughly "Couldn't open /tmp/xv.pid-press q to quit"). I don't
know if this latter problem is related at all.

================
Seth Finkelstein
sethf@mit.edu

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