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bug#3663: Return of Bug 653 in emacs-23.0.95, Mac OS X 10.5.7


From: Gilbert Harman
Subject: bug#3663: Return of Bug 653 in emacs-23.0.95, Mac OS X 10.5.7
Date: Tue, 23 Jun 2009 17:55:42 -0400

Same problem on two different iMacs

Start emacs with no .emacs file.

Trying to evaluate the following region hangs emacs.
gdb output follows the expressions whose evaluation appears to have caused the problem.  I just tried the same thing again and the problem is repeatable.

This went away for a while but is back for the latest pretest.

 Gil

;;;  Common to all my platforms

(setq white-background nil)
(setq mac-allow-anti-aliasing nil)

;; colors
;;
(add-to-list 'default-frame-alist '(foreground-color . "lightyellow"))
(add-to-list 'default-frame-alist '(cursor-color . "Yellow3"))
(add-to-list 'default-frame-alist
           '(background-color . "black"))
(set-face-background 'region "rgb:8/6/5")
(set-face-foreground 'region "lightyellow")
(set-face-foreground 'modeline "lightgoldenrod")
(set-face-background 'modeline "gray21")
(set-face-foreground 'highlight "lightyellow")
(set-face-background 'highlight "yellow4")
(set-face-foreground 'bold "white")
(set-face-foreground 'italic "tan1")



> cd emacs-23.0.95/src
[GH-iMAC:~/emacs-23.0.95/src] gilbertharman%                                        > gdb ../nextstep/Emacs.app/Contents/MacOS/Emacs
GNU gdb 6.3.50-20050815 (Apple version gdb-960) (Sun May 18 18:38:33 UTC 2008)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-apple-darwin"...Reading symbols for shared libraries .......... done

DISPLAY = /tmp/launch-s7HmhN/:0
TERM = xterm-color
Breakpoint 1 at 0x4730634
Breakpoint 2 at 0xae89f: file sysdep.c, line 1142.
(gdb) run
Starting program: /Users/gilbertharman/emacs-23.0.95/nextstep/Emacs.app/Contents/MacOS/Emacs

Reading symbols for shared libraries +++++++++.................................................................. done
Breakpoint 1 at 0x92948634
Reading symbols for shared libraries ............ done
Reading symbols for shared libraries . done
Reading symbols for shared libraries .. done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0xc0000003
0x91da3684 in objc_msgSend ()
(gdb) bt
#0  0x91da3684 in objc_msgSend ()
#1  0x001767e8 in ns_dumpglyphs_stretch (s=0xbfffe320) at nsterm.m:2972
#2  0x00177115 in ns_draw_glyph_string (s=0xbfffe320) at nsterm.m:3043
#3  0x00039bf5 in draw_glyphs (w=0x8bd2f0, x=334, row=0x20a3df0, area=TEXT_AREA, start=0, end=39, hl=DRAW_NORMAL_TEXT, overlaps=0) at xdisp.c:20546
#4  0x0003ecbb in x_write_glyphs (start=0x2089c00, len=39) at xdisp.c:21955
#5  0x00007a51 in update_window_line (w=0x8bd2f0, vpos=10, mouse_face_overwritten_p=0xbfffe7bc) at dispnew.c:4454
#6  0x00008400 in update_window (w=0x8bd2f0, force_p=0) at dispnew.c:4310
#7  0x00009b53 in update_window_tree (w=0x8bd2f0, force_p=0) at dispnew.c:4003
#8  0x0000adb2 in update_frame (f=0x8bd170, force_p=0, inhibit_hairy_id_p=0) at dispnew.c:3930
#9  0x0003690b in redisplay_internal (preserve_echo_area=<value temporarily unavailable, due to optimizations>) at xdisp.c:11876
#10 0x0009f685 in read_char (commandflag=1, nmaps=2, maps=0xbfffefe0, prev_event=25165833, used_mouse_menu=0xbffff0d8, end_time=0x0) at keyboard.c:2707
#11 0x000a2144 in read_key_sequence (keybuf=0xbffff198, bufsize=30, prompt=25165833, dont_downcase_last=0, can_return_switch_frame=1, fix_current_buffer=1) at keyboard.c:9460
#12 0x000a466a in command_loop_1 () at keyboard.c:1642
#13 0x00107d0d in internal_condition_case (bfun=0xa4430 <command_loop_1>, handlers=25205425, hfun=0x9a810 <cmd_error>) at eval.c:1512
#14 0x00094198 in command_loop_2 () at keyboard.c:1359
#15 0x00107bec in internal_catch (tag=-1073741821, func=0x94150 <command_loop_2>, arg=25165833) at eval.c:1248
#16 0x00093eee in command_loop () at keyboard.c:1338
#17 0x00093fb2 in recursive_edit_1 () at keyboard.c:953
#18 0x00094131 in Frecursive_edit () at keyboard.c:1015
#19 0x00092a75 in main (argc=1, argv=0xbffff640) at emacs.c:1852


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