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Re: (standard-syntax-table) segfault on FreeBSD

From: Mirian Crzig Lennox
Subject: Re: (standard-syntax-table) segfault on FreeBSD
Date: Fri, 17 Jan 2003 10:45:09 -0500
User-agent: Mutt/1.2.5i

On Fri, Jan 17, 2003 at 08:14:44PM +0900, Kenichi Handa wrote:
> In article <address@hidden>, Mirian Crzig Lennox <address@hidden> writes:
> I've just tried emacs-21.2 and CVS HEAD on FreeBSD
> 4.6.1-RC2, but can't reproduce that bug.

I've gotten the problem on both 4.6-RELEASE and 4.7-RELEASE, with

With some playing around, I've determined that if I start emacs with
the -nw switch (to disable X11 support), the problem does NOT occur.

> Please run Emacs under gdb and show us the backtrace of the
> crashing point?

Here it is.  I was incorrect about the problem being a segfault; it is
actually a bus error:

Program received signal SIGBUS, Bus error.
0x284b1dd8 in _init () from /usr/X11R6/lib/X11/locale/common/ximcp.so.2
(gdb) where
#0  0x284b1dd8 in _init () from /usr/X11R6/lib/X11/locale/common/ximcp.so.2
#1  0x284bd298 in _XimFilterPropertyNotify ()
   from /usr/X11R6/lib/X11/locale/common/ximcp.so.2
#2  0x28381560 in XFilterEvent () from /usr/X11R6/lib/libX11.so.6
#3  0x80b0b20 in XTread_socket (sd=0, bufp=0xbfbd31fc, numchars=4096, 
    expected=1) at xterm.c:9965
#4  0x80d5bc1 in read_avail_input (expected=1) at keyboard.c:6133
#5  0x80d5d86 in input_available_signal (signo=23) at keyboard.c:6296
#6  0xbfbfffac in ?? ()
#7  0x8056291 in sit_for (sec=30, usec=0, reading=1, display=1, 
    initial_display=0) at dispnew.c:6247
#8  0x80d1c49 in read_char (commandflag=1, nmaps=2, maps=0xbfbff630, 
    prev_event=405216260, used_mouse_menu=0xbfbff678) at keyboard.c:2491
#9  0x80d81d7 in read_key_sequence (keybuf=0xbfbff780, bufsize=30, 
    prompt=405216260, dont_downcase_last=0, can_return_switch_frame=1, 
    fix_current_buffer=1) at keyboard.c:8180
#10 0x80d0364 in command_loop_1 () at keyboard.c:1440
#11 0x8120ec1 in internal_condition_case (bfun=0x80d0070 <command_loop_1>, 
    handlers=405338308, hfun=0x80cfcbc <cmd_error>) at eval.c:1267
#12 0x80cff4c in command_loop_2 () at keyboard.c:1245
#13 0x8120ae8 in internal_catch (tag=405290660, 
    func=0x80cff2c <command_loop_2>, arg=405216260) at eval.c:1030
#14 0x80cfefe in command_loop () at keyboard.c:1224
#15 0x80cfa85 in recursive_edit_1 () at keyboard.c:950
#16 0x80cfbac in Frecursive_edit () at keyboard.c:1006
#17 0x80ceb40 in main (argc=4, argv=0xbfbffa8c, envp=0xbfbffaa0)
    at emacs.c:1547


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