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On 13/09/2014 17:21, Ken Brown wrote:
*** emacs-24.3.93-3 *** emacs-X11-24.3.93-3 *** emacs-w32-24.3.93-3 *** emacs-el-24.3.93-3 Emacs is a powerful, customizable, self-documenting, modeless text editor. Emacs contains special code editing features, a scripting language (elisp), and the capability to read mail, news, and more without leaving the editor.
I have been suffering from some crashes with emacs-X11 24.3.93-3 on x86_64This seems to have crossed my threshold of apathy, so I've been running emacs under gdb with a breakpoint on emacs_abort (since it seems to die with SIGABORT which can't be usefully backtraced...)
I get a backtrace starting as follows (full backtrace is attached): #0 emacs_abort () at /usr/src/debug/emacs-24.3.93-3/src/sysdep.c:2137#1 0x00000001004ef726 in overlays_at (pos=pos@entry=15602, extend=extend@entry=true, vec_ptr=vec_ptr@entry=0x80ee30, len_ptr=len_ptr@entry=0x80ee38, next_ptr=next_ptr@entry=0x0, prev_ptr=prev_ptr@entry=0x80ee28, change_req=change_req@entry=true) at /usr/src/debug/emacs-24.3.93-3/src/buffer.c:2854 #2 0x00000001004efcbc in Fprevious_overlay_change (pos=<optimized out>, pos@entry=62408)
at /usr/src/debug/emacs-24.3.93-3/src/buffer.c:4312#3 0x000000010058d202 in Fprevious_char_property_change (position=position@entry=62408, limit=limit@entry=61840)
at /usr/src/debug/emacs-24.3.93-3/src/textprop.c:768#4 0x000000010058eee6 in Fprevious_single_char_property_change (position=62408, position@entry=65840, prop=4304918466, object=object@entry=4304695346, limit=<optimized out>, limit@entry=61840)
at /usr/src/debug/emacs-24.3.93-3/src/textprop.c:930#5 0x0000000100414a71 in string_buffer_position_lim (string=25780888481, from=<optimized out>, to=<optimized out>, back_p=<optimized out>) at /usr/src/debug/emacs-24.3.93-3/src/xdisp.c:5404 #6 0x00000001004458f7 in note_mouse_highlight (f=<optimized out>, x=<optimized out>, y=<optimized out>)
at /usr/src/debug/emacs-24.3.93-3/src/xdisp.c:29456#7 0x00000001004a188f in XTframe_up_to_date (f=<optimized out>) at /usr/src/debug/emacs-24.3.93-3/src/xterm.c:634 #8 0x000000010043726c in redisplay_internal () at /usr/src/debug/emacs-24.3.93-3/src/xdisp.c:14026 #9 0x00000001004397a3 in redisplay_preserve_echo_area (from_where=from_where@entry=2)
at /usr/src/debug/emacs-24.3.93-3/src/xdisp.c:14120This looks somewhat similar to the problem in [1], so following the advice there in a directed plokta:
(gdb) source /usr/src/emacs-24.3.93-3.src/emacs-24.3.93/src/.gdbinit [...] (gdb) p end $14 = <optimized out> (gdb) p overlay $15 = <optimized out> (gdb) p pos $16 = 15602 (gdb) p extend $17 = true (gdb) p vec_ptr $18 = (Lisp_Object **) 0x80ee30 (gdb) p *vec_ptr $20 = (Lisp_Object *) 0x6040f9000 (gdb) p **vec_ptr $21 = 25839311040 (gdb) xtype Lisp_Int0 (gdb) xint $38 = 6459827760 (gdb) p len_ptr $22 = (ptrdiff_t *) 0x80ee38 (gdb) p *len_ptr $23 = 10 (gdb) p next_ptr $24 = (ptrdiff_t *) 0x0 (gdb) p prev_ptr $25 = (ptrdiff_t *) 0x80ee28 (gdb) p *prev_ptr $26 = 8449600 (gdb) p change_req $27 = true (gdb) p overlay $28 = <optimized out> (gdb) p endpos (gdb) p tail $35 = (struct Lisp_Overlay *) 0x603f5c4a8 (gdb) p *tail $36 = { type = Lisp_Misc_Overlay, gcmarkbit = false, spacer = 1171, next = 0x601042a58, start = 25836393491, end = 25836242131, plist = 25837850102 } Please let me know what else I can do to help investigate the problem. [1] https://cygwin.com/ml/cygwin/2014-08/msg00417.html
Attachment:
emacs-bt.txt
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