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XEmacs-21.4.14-2 consistently crashes


Hi all,
I can reliably crash XEmacs by the following procedure:
Start the non-X11 version:

$ DISPLAY=''  CYGWIN='error_start=c:\cygwin\bin\dumper.exe' xemacs foo &    

Press "Alt-x info" to invoke the info directory, press twice Pg-Down. 
Boom:
$ Fatal error: assertion failed, file
/usr/src/xemacs-21.4.14/src/redisplay-msw.c, line 563, 
 runs[i].dimension == 1

Fatal error (6).

Your files have been auto-saved.
Use `M-x recover-session' to recover them.
[...]
Lisp backtrace follows:

  # (condition-case ... . error)
  # (catch top-level ...)
*** starting debugger for pid 1420
*** continuing pid 1420 from debugger call

I have a core file and a stackdump, gdb leaves me rather clueless:

$ gdb /usr/bin/xemacs-21.4.14.exe xemacs-21.4.14.exe.core 
#0  0x7ffe0304 in ?? ()
(gdb) where  
#0  0x7ffe0304 in ?? ()
#1  0x77f5c534 in ntdll!ZwWaitForSingleObject ()
#2  0x77e7a62d in WaitForSingleObjectEx ()
#3  0x00000674 in ?? ()
(gdb) info threads
  5 process 1428  0x77f5f2f2 in ntdll!KiUserCallbackDispatcher ()
  4 process 1620  0x7ffe0304 in ?? ()
  3 process 3020  0x7ffe0304 in ?? ()
  2 process 3900  0x7ffe0304 in ?? ()
* 1 process 2068  0x7ffe0304 in ?? ()

The core file is some 21MB, so I refrain from sending it to the list.

This does not happen with the X11 version and Reflection X as server, 
I have not checked with XFree. 

The output of cygcheck -srcv is gzipped and attached. IIRC the
stackdump is not very useful, but I attach it anyway :-)

Any other info required?
Anything I can try myself?

Thanks for your help.


Thomas Demmer
Kraft Foods R&D Inc.
Chocolate WW Process Development

Tel.: +49 (0)89 62738-6302
Fax: +49 (0)89 62738-86302

Thought of the day
By doing just a little every day, you can gradually let the task
completely overwhelm you.


Attachment: cygcheck.out.gz
Description: Binary data

Attachment: xemacs-21.4.14.exe.stackdump
Description: Binary data

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