Re: The bootstrap of Emacs on Cygwin is broken [Is also: unicode branch is merged to trunk]

[Angelo Graziosi]

Eli Zaretskii ha wrote:

> So it crashed, indeed.  The command "bt" at this point will hopefully
> shed some light on what happened.  Please post the results.

>
>> For the sake of completeness I have discovered
>>
>> $ find /tmp/ -name "*stackdump*"
>> /tmp/build/src/temacs.exe.stackdump
>> /tmp/emacs/admin/unidata/temacs.exe.stackdump
>> /tmp/emacs/lisp/international/temacs.exe.stackdump
>
> These are the Cygwin equivalents of core dump files.  I suspect they
> are very similar; please take a look at them and see where temacs
> crashed, and whether they tell the same story as "bt" in GDB above.
>

They (stackdump) are (all) zero sized, i.e. empty! Below there is the bt 
output.

Thanks,
  Angelo.


========================================================
$ gdb /tmp/build/src/temacs
GNU gdb 6.5.50.20060706-cvs (cygwin-special)
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This GDB was configured as "i686-pc-cygwin"...
(gdb) run --batch --load loadup bootstrap
Starting program: /tmp/build/src/temacs.exe --batch --load loadup bootstrap
Loaded symbols for /c/WINDOWS/system32/ntdll.dll
Loaded symbols for /c/WINDOWS/system32/kernel32.dll
Loaded symbols for /usr/X11R6/bin/cygICE-6.dll
Loaded symbols for /usr/bin/cygwin1.dll
Loaded symbols for /c/WINDOWS/system32/advapi32.dll
Loaded symbols for /c/WINDOWS/system32/rpcrt4.dll
Loaded symbols for /c/WINDOWS/system32/secur32.dll
Loaded symbols for /usr/X11R6/bin/cygSM-6.dll
Loaded symbols for /usr/X11R6/bin/cygX11-6.dll
Loaded symbols for /usr/X11R6/bin/cygXaw3d-7.dll
Loaded symbols for /usr/X11R6/bin/cygXext-6.dll
Loaded symbols for /usr/X11R6/bin/cygXmu-6.dll
Loaded symbols for /usr/X11R6/bin/cygXt-6.dll
Loaded symbols for /usr/X11R6/bin/cygXpm-4.dll
Loaded symbols for /usr/bin/cygncurses-8.dll
Loaded symbols for /usr/bin/cygjpeg-62.dll
Loaded symbols for /usr/bin/cygpng12.dll
Loaded symbols for /usr/bin/cygz.dll
Loaded symbols for /usr/bin/cygtiff-5.dll
Loaded symbols for /usr/bin/cygungif-4.dll
Loading loadup.el (source)...
Using load-path (/tmp/emacs/lisp /tmp/emacs/lisp/emacs-lisp 
/tmp/emacs/lisp/language /tmp/emacs/lisp/international 
/tmp/emacs/lisp/textmodes)
Loading emacs-lisp/byte-run (source)...
Loading emacs-lisp/backquote (source)...
Loading subr (source)...
Loading version.el (source)...
Loading widget (source)...
Loading custom (source)...
Loading emacs-lisp/map-ynp (source)...
Loading cus-start (source)...
Note, built-in variable `selection-coding-system' not bound
Loading international/mule (source)...
Loading international/mule-conf.el (source)...

Program received signal SIGSEGV, Segmentation fault.
0x610e1805 in _vfprintf_r () from /usr/bin/cygwin1.dll
(gdb) bt
#0  0x610e1805 in _vfprintf_r () from /usr/bin/cygwin1.dll
#1  0x610f0358 in printf () from /usr/bin/cygwin1.dll
#2  0x610933b8 in _sigfe () from /usr/bin/cygwin1.dll
#3  0x00bfba30 in ?? ()
#4  0x00020000 in ?? ()
#5  0x20ef0000 in bss_sbrk_buffer ()
#6  0x00020000 in ?? ()
#7  0x00033668 in ?? ()
#8  0x201671f1 in obtain (address=0x202b7a5c, size=552534016)
    at /tmp/emacs/src/ralloc.c:315
#9  0x201671f1 in obtain (address=0x202b7a5c, size=552534016)
    at /tmp/emacs/src/ralloc.c:315
#10 0x201674c9 in relocate_blocs (bloc=0x22d008, heap=0x610933b8,
    address=0x20ef0000) at /tmp/emacs/src/ralloc.c:518
#11 0x20167cff in r_alloc_sbrk (size=196608) at /tmp/emacs/src/ralloc.c:863
#12 0x20165cdb in align (size=2281480) at /tmp/emacs/src/gmalloc.c:508
#13 0x20166813 in _malloc_internal_nolock (size=65536)
    at /tmp/emacs/src/gmalloc.c:691
#14 0x61057dbc in malloc () from /usr/bin/cygwin1.dll
#15 0x00010000 in ?? ()
#16 0x00000000 in ?? ()
(gdb)
========================================================