Package: emacs;
Reported by: Zdzislaw Meglicki <gustav <at> iu.edu>
Date: Wed, 4 Jun 2014 15:39:02 UTC
Severity: normal
Tags: moreinfo
Merged with 18659
Found in versions 24.3.90, 24.3.94
Done: Ken Brown <kbrown <at> cornell.edu>
Bug is archived. No further changes may be made.
View this message in rfc822 format
From: help-debbugs <at> gnu.org (GNU bug Tracking System) To: Ken Brown <kbrown <at> cornell.edu> Subject: bug#18659: closed (Re: bug#17688: 24.3.90; segmentation fault in deselect_palette) Date: Wed, 09 Sep 2020 15:12:02 +0000
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Your bug report #17688: 24.3.94; Crash in deselect_palette (Cygwin-w32 build) which was filed against the emacs package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 18659 <at> debbugs.gnu.org. -- 17688: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17688 GNU Bug Tracking System Contact help-debbugs <at> gnu.org with problems
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From: Ken Brown <kbrown <at> cornell.edu> To: Lars Ingebrigtsen <larsi <at> gnus.org> Cc: Zdzislaw Meglicki <gustav <at> iu.edu>, Eli Zaretskii <eliz <at> gnu.org>, 17688-done <at> debbugs.gnu.org Subject: Re: bug#17688: 24.3.90; segmentation fault in deselect_palette Date: Wed, 9 Sep 2020 11:10:53 -0400On 9/9/2020 7:53 AM, Lars Ingebrigtsen wrote: > Ken Brown <kbrown <at> cornell.edu> writes: > >> That's been the problem for several months. People have reported >> several crashes of the Cygwin-w32 build, always on 64-bit Cygwin, with >> backtraces that "can't happen". Can you think of any way to try to >> track this down? > > This was six years ago. Are you still seeing these crashes with the > current Cygwin/Emacs versions? No, it got fixed. Closing. Ken
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From: Ken Brown <kbrown <at> cornell.edu> To: bug-gnu-emacs <at> gnu.org Subject: 24.3.94; Crash in deselect_palette (Cygwin-w32 build) Date: Tue, 07 Oct 2014 16:02:02 -0400[Message part 4 (text/plain, inline)]I just tried to view an emacs window that had been idle for a long time. I don't remember if I was using Alt-Tab to cycle through the open windows or if I clicked on the emacs icon in the task bar. When I couldn't get to the window, I checked the terminal from which I had started emacs under gdb, and I saw that emacs had crashed: Program received signal SIGSEGV, Segmentation fault. 0x000000010068e6c9 in deselect_palette (f=0x0, hdc=0x0) at /usr/src/debug/emacs-24.3.94-1/src/w32xfns.c:123 123 if (f->output_data.w32->old_palette) (gdb) bt #0 0x000000010068e6c9 in deselect_palette (f=0x0, hdc=0x0) at /usr/src/debug/emacs-24.3.94-1/src/w32xfns.c:123 #1 0x000000010068e798 in release_frame_dc (f=0x0, hdc=0x0) at /usr/src/debug/emacs-24.3.94-1/src/w32xfns.c:154 #2 0x0000000100691df6 in uniscribe_encode_char (font=0x1010f5e98 <bss_sbrk_buffer+6283800>, c=32) at /usr/src/debug/emacs-24.3.94-1/src/w32uniscribe.c:585 #3 0x000000010047dfe5 in get_glyph_face_and_encoding (f=0x1010f3c48 <bss_sbrk_buffer+6275016>, glyph=0x60075a850, char2b=0x4280ce L"\003腐 B", two_byte_p=0x0) at /usr/src/debug/emacs-24.3.94-1/src/xdisp.c:24024 #4 0x000000010047f230 in x_get_glyph_overhangs (glyph=0x60075a850, f=0x1010f3c48 <bss_sbrk_buffer+6275016>, left=0x428130, right=0x42812c) at /usr/src/debug/emacs-24.3.94-1/src/xdisp.c:24367 #5 0x000000010047f55b in left_overwriting (s=0x4281c0) at /usr/src/debug/emacs-24.3.94-1/src/xdisp.c:24446 #6 0x0000000100481200 in draw_glyphs (w=0x1010f4c48 <bss_sbrk_buffer+6279112>, x=625, row=0x600790f20, area=TEXT_AREA, start=77, end=78, hl= DRAW_NORMAL_TEXT, overlaps=0) at /usr/src/debug/emacs-24.3.94-1/src/xdisp.c:24945 #7 0x0000000100489ed1 in x_write_glyphs (w=0x1010f4c48 <bss_sbrk_buffer+6279112>, updated_row=0x600790f20, start=0x60075ae20, updated_area=TEXT_AREA, len=1) at /usr/src/debug/emacs-24.3.94-1/src/xdisp.c:26812 #8 0x000000010040a277 in update_text_area (w=0x1010f4c48 <bss_sbrk_buffer+6279112>, updated_row=0x600790f20, vpos=23) at /usr/src/debug/emacs-24.3.94-1/src/dispnew.c:3746 #9 0x000000010040a64d in update_window_line (w=0x1010f4c48 <bss_sbrk_buffer+6279112>, vpos=23, mouse_face_overwritten_p=0x42878f) at /usr/src/debug/emacs-24.3.94-1/src/dispnew.c:3848 #10 0x000000010040952b in update_window (w=0x1010f4c48 <bss_sbrk_buffer+6279112>, force_p=true) at /usr/src/debug/emacs-24.3.94-1/src/dispnew.c:3427 #11 0x0000000100408c9a in update_window_tree (w=0x1010f4c48 <bss_sbrk_buffer+6279112>, force_p=true) at /usr/src/debug/emacs-24.3.94-1/src/dispnew.c:3210 #12 0x0000000100408c63 in update_window_tree (w=0x600691538, force_p=true) at /usr/src/debug/emacs-24.3.94-1/src/dispnew.c:3208 #13 0x00000001004088b7 in update_frame (f=0x1010f3c48 <bss_sbrk_buffer+6275016>, force_p=true, inhibit_hairy_id_p=false) at /usr/src/debug/emacs-24.3.94-1/src/dispnew.c:3099 #14 0x0000000100453e6c in redisplay_internal () at /usr/src/debug/emacs-24.3.94-1/src/xdisp.c:13967 #15 0x000000010045495f in redisplay_preserve_echo_area (from_where=8) at /usr/src/debug/emacs-24.3.94-1/src/xdisp.c:14185 #16 0x00000001005475cc in detect_input_pending_run_timers (do_display=true) at /usr/src/debug/emacs-24.3.94-1/src/keyboard.c:9897 #17 0x000000010063a6e7 in wait_reading_process_output (time_limit=0, nsecs=0, read_kbd=-1, do_display=true, wait_for_cell=4306509874, wait_proc=0x0, just_wait_proc=0) at /usr/src/debug/emacs-24.3.94-1/src/process.c:4699 #18 0x0000000100538e14 in kbd_buffer_get_event (kbp=0x429b88, used_mouse_menu=0x42a3cf, end_time=0x0) at /usr/src/debug/emacs-24.3.94-1/src/keyboard.c:3906 #19 0x0000000100533cf3 in read_event_from_main_queue (end_time=0x0, local_getcjmp=0x429fb0, used_mouse_menu=0x42a3cf) at /usr/src/debug/emacs-24.3.94-1/src/keyboard.c:2246 #20 0x0000000100534030 in read_decoded_event_from_main_queue (end_time=0x0, local_getcjmp=0x429fb0, prev_event=4306509874, used_mouse_menu=0x42a3cf) at /usr/src/debug/emacs-24.3.94-1/src/keyboard.c:2309 #21 0x0000000100535fe4 in read_char (commandflag=1, map=25780162614, prev_event=4306509874, used_mouse_menu=0x42a3cf, end_time=0x0) at /usr/src/debug/emacs-24.3.94-1/src/keyboard.c:2895 #22 0x00000001005455af in read_key_sequence (keybuf=0x42a5e0, bufsize=30, prompt=4306509874, dont_downcase_last=false, can_return_switch_frame=true, fix_current_buffer=true, prevent_redisplay=false) at /usr/src/debug/emacs-24.3.94-1/src/keyboard.c:9088 #23 0x0000000100531a04 in command_loop_1 () at /usr/src/debug/emacs-24.3.94-1/src/keyboard.c:1452 #24 0x00000001005dbdf0 in internal_condition_case (bfun=0x1005314ef <command_loop_1>, handlers=4306584322, hfun=0x100530a7a <cmd_error>) at /usr/src/debug/emacs-24.3.94-1/src/eval.c:1348 #25 0x00000001005310bd in command_loop_2 (ignore=4306509874) at /usr/src/debug/emacs-24.3.94-1/src/keyboard.c:1177 #26 0x00000001005db141 in internal_catch (tag=4306578482, func=0x10053108b <command_loop_2>, arg=4306509874) at /usr/src/debug/emacs-24.3.94-1/src/eval.c:1112 #27 0x000000010053104c in command_loop () at /usr/src/debug/emacs-24.3.94-1/src/keyboard.c:1156 #28 0x00000001005304db in recursive_edit_1 () at /usr/src/debug/emacs-24.3.94-1/src/keyboard.c:777 #29 0x000000010053070d in Frecursive_edit () at /usr/src/debug/emacs-24.3.94-1/src/keyboard.c:848 #30 0x000000010052e3e3 in main (argc=1, argv=0x42ab00) at /usr/src/debug/emacs-24.3.94-1/src/emacs.c:1647 Lisp Backtrace: "redisplay_internal (C function)" (0xaf7720) A full backtrace of all threads is attached. At the time of the crash, the emacs frame was split into two windows. One was viewing a plain text C++ file (ASCII only), and the other was a *grep* buffer from `M-x rgrep'. I have no idea how that strange (Chinese?) character got into frame 3. I still have the gdb session open. Ken In GNU Emacs 24.3.94.1 (x86_64-unknown-cygwin) of 2014-10-03 on desktop-new Windowing system distributor `Microsoft Corp.', version 6.1.7601 Configured using: `configure --srcdir=/home/kbrown/src/cygemacs/emacs-24.3.94-1.x86_64/src/emacs-24.3.94 --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --libexecdir=/usr/libexec --datadir=/usr/share --localstatedir=/var --sysconfdir=/etc --libdir=/usr/lib --datarootdir=/usr/share --docdir=/usr/share/doc/emacs --htmldir=/usr/share/doc/emacs/html -C --with-w32 --with-file-notification=no --enable-checking=yes,glyphs 'CFLAGS=-ggdb -O2 -pipe -Wimplicit-function-declaration -O0 -g3 -fdebug-prefix-map=/home/kbrown/src/cygemacs/emacs-24.3.94-1.x86_64/build=/usr/src/debug/emacs-24.3.94-1 -fdebug-prefix-map=/home/kbrown/src/cygemacs/emacs-24.3.94-1.x86_64/src/emacs-24.3.94=/usr/src/debug/emacs-24.3.94-1' CPPFLAGS= LDFLAGS=-Wl,--stack,0x400000' Important settings: value of $LANG: en_US.UTF-8 locale-coding-system: utf-8-unix Major mode: Text Minor modes in effect: show-paren-mode: t display-time-mode: t delete-selection-mode: t tooltip-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t temp-buffer-resize-mode: t buffer-read-only: t column-number-mode: t line-number-mode: t auto-fill-function: do-auto-fill transient-mark-mode: t view-mode: t Load-path shadows: None found. Features: (misearch multi-isearch mailalias mailclient browse-url qp help-mode pp shadow gnus-util mail-extr emacsbug message cl-macs format-spec rfc822 mml mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils view server dired edmacro kmacro solar cal-dst planner-diary cl gv diary-lib diary-loaddefs planner-publish muse-xml planner advice help-fns cal-menu calendar cal-loaddefs sort muse-colors muse-latex muse-html muse-xml-common cus-edit muse-publish muse-project muse-protocols muse-regexps wid-edit cl-loaddefs cl-lib derived muse muse-nested-tags muse-mode gap-mode-autoloads info easymenu muse-autoloads package epg-config preview-latex tex-site auto-loads saveplace paren help-at-pt time delsel cus-start cus-load time-date tooltip electric uniquify ediff-hook vc-hooks lisp-float-type mwheel w32-common-fns disp-table w32-win w32-vars tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment lisp-mode prog-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core frame cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer nadvice loaddefs button faces cus-face macroexp files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote make-network-process dbusbind w32 multi-tty emacs)[deselect_palette_bt.gz (application/gzip, attachment)]
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