emacs-X11 crashes under gdb in recent snapshots
Thu Mar 7 06:02:00 GMT 2013
On Wed, Mar 06, 2013 at 04:30:34PM -0500, Ken Brown wrote:
>Starting with the 20130102 snapshot, I get a SEGV if I run emacs-X11
>under gdb. The same thing happens with emacs-w32, but not with
>emacs-nox. In the case of emacs-X11, it doesn't matter whether I run it
>in mintty or under an X server. It happens with emacs-24.2-1 as well as
>with later test versions (and builds from the emacs trunk).
>1. Install emacs-X11-24.2-1 and emacs-debuginfo-24.2-1.
>2. Start emacs under mintty.
>3. In a separate mintty, attach gdb to it and try to continue:
>$ ps | grep emacs
> 5328 10484 5328 10188 pty0 1003 16:16:33
>$ gdb -p 5328
>GNU gdb (GDB) 188.8.131.5220815-cvs (cygwin-special)
>Copyright (C) 2012 Free Software Foundation, Inc.
>License GPLv3+: GNU GPL version 3 or later
>This is free software: you are free to change and redistribute it.
>There is NO WARRANTY, to the extent permitted by law. Type "show copying"
>and "show warranty" for details.
>This GDB was configured as "i686-cygwin".
>For bug reporting instructions, please see:
>Attaching to process 10188
>[New Thread 10188.0x2a88]
>[New Thread 10188.0x1e64]
>[New Thread 10188.0xaec]
>[New Thread 10188.0x21a8]
>[New Thread 10188.0x2990]
>[New Thread 10188.0xbbc]
>Reading symbols from /usr/bin/emacs-X11.exe...Reading symbols from
>Program received signal SIGSEGV, Segmentation fault.
>[Switching to Thread 10188.0x1e64]
>0x00000030 in ?? ()
>In the 20130102 snapshot, it takes a few seconds after typing `c' before
>the crash occurs. In more recent snapshots, it happens immediately.
Thanks for the explicit instructions.
I can reproduce this. Investigating.
Problem reports: http://cygwin.com/problems.html
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
More information about the Cygwin