GNU bug report logs - #34277
Error after dump complete when build on Windows 10

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Message #26 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: "Shuguang Sun" <shuguang79 <at> qq.com>
Cc: bug-gnu-emacs <at> gnu.org
Subject: Re: bug#34277: Error after dump complete when build on Windows 10
Date: Thu, 07 Feb 2019 17:34:20 +0200

> From: "Shuguang Sun" <shuguang79 <at> qq.com>
> Cc: "bug-gnu-emacs" <bug-gnu-emacs <at> gnu.org>
> Date: Thu, 7 Feb 2019 20:33:54 +0800
> 
> With git repo: 369d20559d6118d6b6cee2adc265114ad30fa3b3 (after your commit)
> and ./configure --without-imagemagick --with-dumping=unexec --without-pop
> the error message becomes:
> 
> ```
> Dumping from C:/gitemacs/emacs/src/temacs.exe
>           to C:/gitemacs/emacs/src/emacs.exe
> mv -f emacs.exe bootstrap-emacs.exe
> make -C ../lisp compile-first EMACS="../src/bootstrap-emacs.exe"
> make[2]: Entering directory '/c/gitemacs/emacs/lisp'
>   ELC      emacs-lisp/macroexp.elc
> /bin/sh: line 1: 50904 Segmentation fault      EMACSLOADPATH= '../src/bootstrap-emacs.exe' -batch
> --no-site-file --no-site-lisp --eval '(setq load-prefer-newer t)' -f batch-byte-compile emacs-lisp/macroexp.el
> make[2]: *** [Makefile:301: emacs-lisp/macroexp.elc] Error 139
> make[2]: Leaving directory '/c/gitemacs/emacs/lisp'
> make[1]: *** [Makefile:797: bootstrap-emacs.exe] Error 2
> make[1]: Leaving directory '/c/gitemacs/emacs/src'
> make: *** [Makefile:423: src] Error 2
> ```
> 
> And the gdb message:
> ```
> (gdb) run -batch --no-site-file --no-site-lisp --eval '(setq load-prefer-newer t)' -f batch-byte-compile
> emacs-lisp/macroexp.el
> Starting program: C:\gitemacs\emacs\src\bootstrap-emacs.exe -batch --no-site-file --no-site-lisp --eval '(setq
> load-prefer-newer t)' -f batch-byte-compile emacs-lisp/macroexp.el
> [New Thread 34928.0x1f0c]
> [New Thread 34928.0x1624]
> [New Thread 34928.0x8854]
> [New Thread 34928.0x9b70]
> [Thread 34928.0x8854 exited with code 0]
> [Thread 34928.0x9b70 exited with code 0]
> [Thread 34928.0x1624 exited with code 0]
> 
> Thread 1 received signal SIGSEGV, Segmentation fault.
> lookup_volume_info (root_dir=<optimized out>) at w32.c:3188
> 3188        if (xstrcasecmp (info->root_dir, root_dir) == 0)
> (gdb)  thread 1
> [Switching to thread 1 (Thread 34928.0x1f0c)]
> #0  lookup_volume_info (root_dir=<optimized out>) at w32.c:3188
> 3188        if (xstrcasecmp (info->root_dir, root_dir) == 0)
> (gdb) backtrace
> #0  lookup_volume_info (root_dir=<optimized out>) at w32.c:3188
> #1  GetCachedVolumeInformation (root_dir=<optimized out>) at w32.c:3253
> #2  get_volume_info (name=name <at> entry=0x2862ddb "C:/gitemacs/emacs/src",
>     pPath=pPath <at> entry=0xbfec48) at w32.c:3353
> #3  0x00000004001a77ff in is_fat_volume (pPath=0xbfec48,
>     name=0x2862ddb "C:/gitemacs/emacs/src") at w32.c:3369
> #4  map_w32_filename (name=name <at> entry=0x2862ddb "C:/gitemacs/emacs/src",
>     pPath=0xbff410, pPath <at> entry=0xbff490) at w32.c:3396
> #5  0x00000004001a8f38 in stat_worker (path=<optimized out>,
>     path <at> entry=0x2862ddb "C:/gitemacs/emacs/src", buf=buf <at> entry=0xbff680,
>     follow_symlinks=follow_symlinks <at> entry=1) at w32.c:5073
> #6  0x00000004001a99db in stat (
>     path=path <at> entry=0x2862ddb "C:/gitemacs/emacs/src", buf=buf <at> entry=0xbff680)
>     at w32.c:5456
> #7  0x00000004000bfaff in get_current_dir_name_or_unreachable ()
>     at sysdep.c:321
> #8  0x00000004000bfe09 in emacs_get_current_dir_name () at sysdep.c:345
> #9  0x00000004001e7d37 in main (argc=<optimized out>, argv=0x2864b70)
>     at emacs.c:1024
> (gdb)

Thanks, please try the latest master.

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