Package: emacs;
Reported by: James Ferguson <james <at> faff.org>
Date: Thu, 31 Mar 2022 21:53:02 UTC
Severity: normal
Tags: moreinfo
Found in version 29.0.50
Done: Lars Ingebrigtsen <larsi <at> gnus.org>
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(Thu, 31 Mar 2022 21:53:02 GMT) Full text and rfc822 format available.James Ferguson <james <at> faff.org>
:bug-gnu-emacs <at> gnu.org
.
(Thu, 31 Mar 2022 21:53:02 GMT) Full text and rfc822 format available.Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
From: James Ferguson <james <at> faff.org> To: bug-gnu-emacs <at> gnu.org Subject: 29.0.50; Emacs SEGV in get_glyph_face_and_encoding Date: Thu, 31 Mar 2022 17:19:03 -0400
[Message part 1 (text/plain, inline)]
My Emacs has SEGVing a few times (twice today), from a fairly recent build off `master`. Sometimes it seems to have happened when doing autocompletion (using the `corfu` package), but it has definitely happened when idle from a user perspective. I'm afraid I have a lot of packages active including lsp, and it's way too random and sporadic to be able to craft a cut-down config. I will put the `bt full` output at the bottom of this email. I have quite a few cores, but a quick check looks like they all have similar stack. That `face = 0x0` looks ... ominous(?). Please let me know if I can help generate more data. Thanks, James. ---- In GNU Emacs 29.0.50 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.20, cairo version 1.16.0) of 2022-03-23 built on jf-laptop Repository revision: d74cd0cf1f96e256c479599939efacd11600c0c8 Repository branch: master System Description: Ubuntu 20.04.4 LTS Configured using: 'configure --with-native-compilation --with-pgtk' Configured features: ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 MODULES NATIVE_COMP NOTIFY INOTIFY PDUMPER PGTK PNG RSVG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS XIM GTK3 ZLIB Important settings: value of $LANG: en_US.UTF-8 value of $XMODIFIERS: @im=ibus locale-coding-system: utf-8-unix Major mode: Dired by name Minor modes in effect: dap-tooltip-mode: t dap-ui-many-windows-mode: t dap-ui-controls-mode: t dap-ui-mode: t gdb-many-windows: t gud-tooltip-mode: t dap-auto-configure-mode: t dap-mode: t treemacs-filewatch-mode: t treemacs-follow-mode: t treemacs-git-mode: t treemacs-fringe-indicator-mode: t global-git-commit-mode: t magit-auto-revert-mode: t org-roam-db-autosync-mode: t shell-dirtrack-mode: t corfu-doc-mode: t ws-butler-global-mode: t ws-butler-mode: t winner-mode: t which-key-mode: t vertico-mode: t global-tree-sitter-mode: t dired-omit-mode: t async-bytecomp-package-mode: t dired-async-mode: t prescient-persist-mode: t projectile-mode: t minions-mode: t marginalia-mode: t textsize-mode: t direnv-mode: t corfu-global-mode: t corfu-mode: t pixel-scroll-precision-mode: t savehist-mode: t save-place-mode: t recentf-mode: t global-hl-line-mode: t hl-line-mode: t global-auto-revert-mode: t electric-pair-mode: t delete-selection-mode: t straight-use-package-mode: t straight-package-neutering-mode: t override-global-mode: t tooltip-mode: t global-eldoc-mode: t show-paren-mode: t electric-indent-mode: t mouse-wheel-mode: t tab-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t window-divider-mode: t buffer-read-only: t transient-mark-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t Load-path shadows: /home/james/.emacs.d/elpa/dpkg-dev-el-20190824.2314/debian-autoloads hides /home/james/.emacs.d/elpa/debian-el-20211006.1939/debian-autoloads /home/james/.emacs.d/elpa/transient-20220314.1605/transient hides /usr/local/share/emacs/29.0.50/lisp/transient /home/james/.emacs.d/my-packages/custom hides /usr/local/share/emacs/29.0.50/lisp/custom Features: (shadow sort expand-region text-mode-expansions cc-mode-expansions the-org-mode-expansions python-el-fgallina-expansions er-basic-expansions expand-region-core expand-region-custom mail-extr emacsbug mule-util lsp-diagnostics lsp-headerline lsp-icons lsp-modeline dap-mouse dap-ui gdb-mi bindat gud bui bui-list bui-info bui-entry bui-core bui-history bui-button bui-utils lsp-lens dap-mode dap-launch posframe dap-overlays vc-git vc-dispatcher view lsp-zig lsp-steep lsp-svelte lsp-sqls lsp-yaml lsp-xml lsp-vimscript lsp-vhdl lsp-volar lsp-vetur lsp-html lsp-verilog lsp-vala lsp-v lsp-typeprof lsp-ttcn3 lsp-toml lsp-terraform lsp-tex lsp-sorbet lsp-solargraph lsp-rust lsp-rf lsp-remark lsp-r lsp-purescript lsp-pylsp lsp-pyls lsp-pwsh lsp-php lsp-perlnavigator lsp-perl lsp-ocaml lsp-magik lsp-nix lsp-nim lsp-nginx lsp-markdown lsp-lua lsp-kotlin lsp-json lsp-javascript lsp-idris lsp-haxe lsp-groovy lsp-hack lsp-graphql lsp-go lsp-completion lsp-gdscript lsp-fsharp lsp-fortran lsp-eslint lsp-erlang lsp-emmet lsp-elixir lsp-elm lsp-dockerfile lsp-dhall lsp-d lsp-css lsp-csharp lsp-crystal lsp-cmake lsp-clojure lsp-treemacs lsp-treemacs-themes treemacs treemacs-header-line treemacs-compatibility treemacs-mode treemacs-interface treemacs-extensions treemacs-mouse-interface treemacs-tags treemacs-persistence treemacs-filewatch-mode treemacs-follow-mode treemacs-rendering treemacs-async treemacs-workspaces treemacs-dom treemacs-visuals treemacs-fringe-indicator treemacs-scope pulse treemacs-faces treemacs-icons treemacs-themes treemacs-core-utils pfuture treemacs-logging treemacs-customization treemacs-macros lsp-semantic-tokens lsp-clangd dom lsp-beancount lsp-bash lsp-ansible lsp-angular lsp-ada lsp-actionscript ccls ccls-member-hierarchy ccls-inheritance-hierarchy ccls-call-hierarchy ccls-tree ccls-code-lens ccls-semantic-highlight ccls-common help-fns radix-tree elpy elpy-rpc pyvenv eshell esh-cmd esh-ext esh-opt esh-proc esh-io esh-arg esh-module esh-groups esh-util elpy-shell elpy-profile elpy-django elpy-refactor ido hideshow files-x etags fileloop cus-edit cus-start sphinx-doc worksplit forge-list forge-commands forge-semi forge-bitbucket buck forge-gogs gogs forge-gitea gtea forge-gitlab glab forge-github ghub-graphql treepy gsexp ghub let-alist gnutls forge-notify forge-revnote forge-pullreq forge-issue forge-topic yaml parse-time bug-reference forge-post forge-repo forge forge-core forge-db closql magit-submodule magit-obsolete magit-blame magit-stash magit-reflog magit-bisect magit-push magit-pull magit-fetch magit-clone magit-remote magit-commit magit-sequence magit-notes magit-worktree magit-tag magit-merge magit-branch magit-reset magit-files magit-refs magit-status magit magit-repos magit-apply magit-wip magit-log which-func magit-diff smerge-mode diff git-commit log-edit message sendmail yank-media rfc822 mml mml-sec epa gnus-util mm-decode mm-bodies mm-encode mailabbrev mail-utils gmm-utils mailheader pcvs-util add-log magit-core magit-autorevert magit-margin magit-transient magit-process with-editor magit-mode transient magit-git magit-base crm lsp-pyright lsp-ui lsp-ui-flycheck lsp-ui-doc goto-addr lsp-ui-imenu lsp-ui-peek lsp-ui-sideline flycheck lsp-ui-util face-remap lsp-mode lsp-protocol xref spinner network-stream markdown-mode color imenu ht inline f ewoc epg rfc6068 epg-config cursor-sensor my-org-roam org-roam-dailies org-roam-migrate org-roam-mode org-roam-capture org-roam-id org-roam-node org-roam-db org-roam-utils org-roam-compat org-roam org-capture org-id ox-reveal ox-odt rng-loc rng-uri rng-parse rng-match rng-dt rng-util rng-pttrn nxml-parse nxml-ns nxml-enc xmltok nxml-util ox-md ox-latex ox-icalendar org-agenda org-refile ox-html table ox-ascii ox-publish ox org-element avl-tree generator ob-async org-variable-pitch org org-macro org-footnote org-pcomplete org-list org-faces org-entities noutline outline org-version ob-C cc-mode cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs ob-http ob-http-mode ob-python py-isort python-black reformatter python ob-shell shell pcomplete ob-ditaa ob-plantuml ob-dot ob ob-tangle org-src ob-ref ob-lob ob-table ob-exp ob-comint ob-emacs-lisp ob-core ob-eval org-table oc-basic bibtex iso8601 time-date ol org-keys oc org-compat org-macs org-loaddefs format-spec find-func cal-menu calendar cal-loaddefs emacsql-sqlite url-http url-auth mail-parse rfc2231 rfc2047 rfc2045 mm-util ietf-drums mail-prsvr url-gw nsm rmc puny emacsql emacsql-compiler magit-section display-fill-column-indicator flyspell ispell highlight-symbol cl yasnippet-snippets yasnippet corfu-doc faff-theme init xterm-color ws-butler winner which-key vterm-autoloads vertico tree-sitter-langs tree-sitter-langs-build tar-mode arc-mode archive-mode pp tree-sitter-hl tree-sitter tree-sitter-load tree-sitter-cli tsc tsc-dyn tsc-dyn-get dired-x dired-filetype-face async-bytecomp dired-async dired-aux async dired dired-loaddefs tsc-obsolete s prescient comp comp-cstr warnings projectile lisp-mnt ibuffer-vc ibuf-macs ibuf-ext ibuffer ibuffer-loaddefs thingatpt project orderless minions marginalia hydra lv grep-a-lot grep compile text-property-search comint ansi-color advice textsize direnv pcase diff-mode dash corfu dotenv-mode server pixel-scroll ring edmacro kmacro savehist saveplace recentf tree-widget wid-edit hl-line autorevert filenotify elec-pair delsel cus-load straight-autoloads cl-extra help-mode straight use-package use-package-ensure use-package-delight use-package-diminish use-package-bind-key bind-key easy-mmode use-package-core derived finder-inf ede/auto eieio-base dpkg-dev-el debian-el rx info package browse-url url url-proxy url-privacy url-expand url-methods url-history url-cookie url-domsuf url-util mailcap url-handlers url-parse auth-source cl-seq eieio eieio-core cl-macs eieio-loaddefs password-cache json map url-vars seq gv subr-x byte-opt bytecomp byte-compile cconv cl-loaddefs cl-lib iso-transl tooltip eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel term/pgtk-win pgtk-win term/common-win tool-bar dnd fontset image regexp-opt fringe tabulated-list replace newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors frame minibuffer nadvice simple cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese composite emoji-zwj charscript charprop case-table epa-hook jka-cmpr-hook help abbrev obarray cl-preloaded button loaddefs faces cus-face macroexp files window text-properties overlay sha1 md5 base64 format env code-pages mule custom widget keymap hashtable-print-readable backquote threads dbusbind inotify dynamic-setting system-font-setting font-render-setting cairo gtk pgtk lcms2 multi-tty make-network-process native-compile emacs) Memory information: ((conses 16 1238499 895807) (symbols 48 64456 176) (strings 32 340297 89952) (string-bytes 1 12906406) (vectors 16 116582) (vector-slots 8 2891539 339078) (floats 8 835 1260) (intervals 56 6275 657) (buffers 992 24)) ---- bt full output: (gdb) bt full #0 raise (sig=sig <at> entry=11) at ../sysdeps/unix/sysv/linux/raise.c:50 set = {__val = {18446744067266837247, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 268435456, 0, 0, 93918994993472, 18446744067266838271}} pid = <optimized out> tid = <optimized out> #1 0x0000556b38450782 in terminate_due_to_signal (sig=sig <at> entry=11, backtrace_limit=backtrace_limit <at> entry=40) at emacs.c:450 #2 0x0000556b38450cc7 in handle_fatal_signal (sig=sig <at> entry=11) at sysdep.c:1780 #3 0x0000556b385590ed in deliver_thread_signal (sig=sig <at> entry=11, handler=0x556b38450cb6 <handle_fatal_signal>) at sysdep.c:1772 #4 0x0000556b3855916d in deliver_fatal_thread_signal (sig=11) at sysdep.c:1792 fatal = <optimized out> #5 handle_sigsegv (sig=11, siginfo=<optimized out>, arg=<optimized out>) at sysdep.c:1885 fatal = <optimized out> #6 0x00007f7bd8ff13c0 in <signal handler called> () at /lib/x86_64-linux-gnu/libpthread.so.0 #7 prepare_face_for_display (f=0x556b3d9467e0, face=0x0) at xfaces.c:4439 #8 0x0000556b38475c59 in get_glyph_face_and_encoding (f=<optimized out>, glyph=glyph <at> entry=0x556b69564fb0, char2b=0x7ffe4893d7b0) at xdisp.c:28569 face = 0x0 code = 0 #9 0x0000556b384af7ce in fill_glyph_string (s=s <at> entry=0x7ffe4893d850, face_id=face_id <at> entry=91, start=start <at> entry=0, end=end <at> entry=35, overlaps=overlaps <at> entry=0) at xdisp.c:28854 glyph = 0x556b69564fb0 last = 0x556b69565640 voffset = 0 glyph_not_available_p = false #10 0x0000556b384b09e7 in draw_glyphs (w=<optimized out>, x=<optimized out>, row=<optimized out>, area=<optimized out>, start=<optimized out>, end=<optimized out>, hl=<optimized out>, overla ps=<optimized out>) at xdisp.c:29656 face_id = 91 char2b = <optimized out> first_glyph = <optimized out> head = 0x7ffe4893d850 tail = 0x7ffe4893d850 s = 0x7ffe4893d850 clip_head = 0x0 clip_tail = 0x0 i = <optimized out> j = <optimized out> x_reached = <optimized out> last_x = <optimized out> area_left = <optimized out> f = <optimized out> sa_avail = 16244 sa_count = {bytes = <optimized out>} #11 0x0000556b384b3aa5 in gui_write_glyphs (w=0x556b3a491748, updated_row=<optimized out>, start=<optimized out>, updated_area=TEXT_AREA, len=35) at xdisp.c:31863 x = <optimized out> hpos = 0 chpos = 34 #12 0x0000556b3845b308 in update_text_area (vpos=0, updated_row=0x556b3f92e140, w=0x556b3a491748) at dispnew.c:3939 rif = <optimized out> changed_p = false current_row = 0x556b43b48410 desired_row = 0x556b3f92e140 rif = <optimized out> changed_p = false #13 update_window_line (w=w <at> entry=0x556b3a491748, vpos=vpos <at> entry=0, mouse_face_overwritten_p=mouse_face_overwritten_p <at> entry=0x7ffe4893dc67) at dispnew.c:4182 current_row = 0x556b43b48410 desired_row = 0x556b3f92e140 rif = <optimized out> changed_p = false #14 0x0000556b38460ee6 in update_window (w=w <at> entry=0x556b3a491748, force_p=<optimized out>, force_p <at> entry=true) at dispnew.c:3682 vpos = <optimized out> i = <optimized out> end = <optimized out> tab_line_row = <optimized out> mouse_face_overwritten_p = false n_updated = 0 mode_line_row = <optimized out> changed_p = false invisible_rows_marked = false row = <optimized out> header_line_row = <optimized out> yb = <optimized out> desired_matrix = <optimized out> paused_p = <optimized out> preempt_count = <optimized out> rif = <optimized out> #15 0x0000556b384627a3 in update_window_tree (w=0x556b3a491748, w <at> entry=0x556b485b24c8, force_p=force_p <at> entry=true) at dispnew.c:3407 paused_p = false #16 0x0000556b384629db in update_frame (f=f <at> entry=0x556b3d9467e0, force_p=true, force_p <at> entry=false, inhibit_hairy_id_p=inhibit_hairy_id_p <at> entry=false) at dispnew.c:3242 paused_p = <optimized out> root_window = 0x556b485b24c8 #17 0x0000556b384a92e5 in redisplay_internal () at xdisp.c:16598 gcscrollbars = <optimized out> f_redisplay_flag = <optimized out> f = 0x556b3d9467e0 w = <optimized out> sw = <optimized out> fr = <optimized out> pending = false must_finish = <optimized out> match_p = <optimized out> tlbufpos = {charpos = <optimized out>, bytepos = <optimized out>} tlendpos = {charpos = <optimized out>, bytepos = <optimized out>} number_of_visible_frames = <optimized out> sf = <optimized out> polling_stopped_here = true tail = 0x556b3aef20c3 frame = 0x556b3d9467e5 hscroll_retries = <optimized out> garbaged_frame_retries = 0 consider_all_windows_p = <optimized out> update_miniwindow_p = <optimized out> #18 0x0000556b384aa9c4 in redisplay_preserve_echo_area (from_where=from_where <at> entry=2) at xdisp.c:16867 #19 0x0000556b3845cadd in Fredisplay (force=<optimized out>) at dispnew.c:6188 count = {bytes = <optimized out>} #20 Fredisplay (force=0x2a109a6911c8) at dispnew.c:6168 #21 0x00007f7bd0688d62 in F636f7266752d2d6d616b652d6672616d65_corfu__make_frame_0 () at /home/james/.emacs.d/eln-cache/29.0.50-d0d7c8d0/corfu-7d809953-f87af7f9.eln #22 0x0000556b385c8050 in Ffuncall (nargs=6, args=0x7ffe4893f5f0) at eval.c:2939 val = <optimized out> #23 0x00007f7bd0689596 in F636f7266752d2d706f7075702d73686f77_corfu__popup_show_0 () at /home/james/.emacs.d/eln-cache/29.0.50-d0d7c8d0/corfu-7d809953-f87af7f9.eln #24 0x0000556b385ca072 in funcall_subr (subr=0x556b3babcfa0, numargs=7, args=<optimized out>) at eval.c:2989 argbuf = {0x192, 0x4e2, 0x5e, 0x192, 0x5e, 0x3e, 0x5e, 0x192} a = <optimized out> fun = <optimized out> #25 0x0000556b385c8050 in Ffuncall (nargs=8, args=0x7ffe4893f770) at eval.c:2939 val = <optimized out> #26 0x0000556b385c8458 in Fapply (nargs=2, args=0x7f7bd1790040) at eval.c:2546 i = <optimized out> funcall_nargs = 8 funcall_args = <optimized out> spread_arg = 0x0 fun = <optimized out> sa_avail = <optimized out> sa_count = {bytes = 576} numargs = <optimized out> retval = <optimized out> #27 0x0000556b38613177 in exec_byte_code (fun=<optimized out>, args_template=<optimized out>, nargs=<optimized out>, args=<optimized out>) at bytecode.c:809 call_nargs = 2 call_fun = <optimized out> template = <optimized out> val = <optimized out> call_args = 0x7f7bd1790040 original_fun = 0x2c70 bytecode = <optimized out> op = 2 type = <optimized out> targets = {0x556b38454e9d <exec_byte_code-1825811>, 0x556b386133c9 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<exec_byte_code-1825807>, 0x556b3861327d <exec_byte_code+1997>, 0x556b3 8613220 <exec_byte_code+1904>, 0x556b38454ea1 <exec_byte_code-1825807>, 0x556b38454ea1 <exec_byte_code-1825807>, 0x556b38454ea1 <exec_byte_code-1825807>, 0x 556b38454ea1 <exec_byte_code-1825807>, 0x556b38454ea1 <exec_byte_code-1825807>, 0x556b38454ea1 <exec_byte_code-1825807>, 0x556b38454ea1 <exec_byte_code-1825 807>, 0x556b38454ea1 <exec_byte_code-1825807>, 0x556b38613a89 <exec_byte_code+4057> <repeats 64 times>} quitcounter = 1 '\001' bc = 0x556b38a42150 <main_thread+496> top = <optimized out> pc = <optimized out> bytestr = <optimized out> vector = <optimized out> maxdepth = <optimized out> bytestr_length = <optimized out> vectorp = 0x556b47357a78 frame_base = <optimized out> fp = <optimized out> bytestr_data = <optimized out> rest = <optimized out> mandatory = <optimized out> nonrest = <optimized out> pushedargs = <optimized out> result = <optimized out> #28 0x0000556b385c8050 in Ffuncall (nargs=8, args=0x7ffe4893fa70) at eval.c:2939 val = <optimized out> #29 0x00007f7bd068d1b4 in F636f7266752d2d63616e646964617465732d706f707570_corfu__candidates_popup_0 () at /home/james/.emacs.d/eln-cache/29.0.50-d0d7c8d0/corfu-7d809953-f87af7f9.eln #30 0x0000556b385c8050 in Ffuncall (nargs=2, args=0x7ffe4893fb88) at eval.c:2939 val = <optimized out> #31 0x00007f7bd068dde2 in F636f7266752d2d757064617465_corfu__update_0 () at /home/james/.emacs.d/eln-cache/29.0.50-d0d7c8d0/corfu-7d809953-f87af7f9.eln #32 0x0000556b385c8050 in Ffuncall (nargs=1, args=0x7ffe4893fc90) at eval.c:2939 val = <optimized out> #33 0x00007f7bd0691492 in F636f7266752d2d6175746f2d636f6d706c657465_corfu__auto_complete_0 () at /home/james/.emacs.d/eln-cache/29.0.50-d0d7c8d0/corfu-7d809953-f87af7f9.eln #34 0x0000556b385c8050 in Ffuncall (nargs=2, args=0x7ffe4893fde0) at eval.c:2939 val = <optimized out> #35 0x0000556b385c85e2 in Fapply (nargs=2, args=0x7ffe4893fde0) at eval.c:2503 i = <optimized out> funcall_nargs = <optimized out> funcall_args = 0x0 spread_arg = 0x556b3ba2f243 fun = 0x2fcfd80 sa_avail = 16384 sa_count = {bytes = 320} numargs = <optimized out> retval = <optimized out> #36 0x0000556b385c8050 in Ffuncall (nargs=3, args=0x7ffe4893fdd8) at eval.c:2939 val = <optimized out> #37 0x00007f7bd2769de1 in F74696d65722d6576656e742d68616e646c6572_timer_event_handler_0 () at /usr/local/libexec/emacs/29.0.50/x86_64-pc-linux-gnu/../../../../bin/../lib/emacs/29.0.50/native-lisp/29.0.50-d0d7c8d0/preloaded/timer-3ee7cfd9-76499 eee.eln #38 0x0000556b385c8050 in Ffuncall (nargs=2, args=0x7ffe4893fe70) at eval.c:2939 val = <optimized out> #39 0x0000556b385c81de in call1 (fn=fn <at> entry=0xed60, arg1=arg1 <at> entry=0x556b3d890c55) at eval.c:2776 #40 0x0000556b38540597 in timer_check_2 (idle_timers=<optimized out>, timers=<optimized out>) at lisp.h:1155 old_deactivate_mark = 0x0 idle_timer_ripe = <optimized out> timer = <optimized out> timer_time = {tv_sec = 1648759560, tv_nsec = 744690755} timer_difference = {tv_sec = <optimized out>, tv_nsec = <optimized out>} idle_timer_difference = {tv_sec = <optimized out>, tv_nsec = <optimized out>} ripe = <optimized out> idle_timer = <optimized out> idle_timer_time = {tv_sec = 0, tv_nsec = 200000000} timer_ripe = <optimized out> nexttime = {tv_sec = <optimized out>, tv_nsec = <optimized out>} now = {tv_sec = <optimized out>, tv_nsec = <optimized out>} idleness_now = {tv_sec = 0, tv_nsec = <optimized out>} chosen_timer = 0x556b3d890c55 nexttime = {tv_sec = <optimized out>, tv_nsec = <optimized out>} timers = 0x556b3bca5603 idle_timers = 0x556b3bca5563 tem = <optimized out> #41 timer_check () at keyboard.c:4591 nexttime = {tv_sec = <optimized out>, tv_nsec = <optimized out>} timers = 0x556b3bca5603 idle_timers = 0x556b3bca5563 tem = <optimized out> #42 0x0000556b385408ad in readable_events (flags=flags <at> entry=1) at keyboard.c:3478 #43 0x0000556b38541b28 in get_input_pending (flags=flags <at> entry=1) at keyboard.c:7156 #44 0x0000556b38547fa8 in detect_input_pending_run_timers (do_display=do_display <at> entry=true) at keyboard.c:10686 old_timers_run = <optimized out> #45 0x0000556b3862ae64 in wait_reading_process_output (time_limit=time_limit <at> entry=0, nsecs=nsecs <at> entry=0, read_kbd=read_kbd <at> entry=-1, do_display=true, wait_for_cell=wait_for_cell <at> entry=0x0, wait_proc=wait_ proc <at> entry=0x0, just_wait_proc=0) at process.c:5695 leave = false process_skipped = <optimized out> wrapped = <optimized out> channel_start = <optimized out> child_fd = <optimized out> last_read_channel = 31 channel = <optimized out> nfds = <optimized out> Available = {fds_bits = {3128957144, 0 <repeats 15 times>}} Writeok = {fds_bits = {0 <repeats 16 times>}} check_write = true check_delay = <optimized out> no_avail = false xerrno = 11 proc = <optimized out> timeout = {tv_sec = 0, tv_nsec = 53672081} end_time = {tv_sec = 2, tv_nsec = 140169898299554} timer_delay = {tv_sec = <optimized out>, tv_nsec = <optimized out>} got_output_end_time = {tv_sec = 1648859560, tv_nsec = 616005816} wait = FOREVER got_some_output = -1 prev_wait_proc_nbytes_read = 0 retry_for_async = <optimized out> now = {tv_sec = <optimized out>, tv_nsec = <optimized out>} #46 0x0000556b385420cc in kbd_buffer_get_event (end_time=0x0, used_mouse_menu=0x7ffe489409bb, kbp=<synthetic pointer>) at lisp.h:1155 do_display = <optimized out> obj = <optimized out> str = <optimized out> c = 0x0 count = {bytes = <optimized out>} save_jump = {{__jmpbuf = {0, 0, 0, 0, 0, 0, 0, 0}, __mask_was_saved = 0, __saved_mask = {__val = {0 <repeats 16 times>}}}} kb = <optimized out> nextevt = <optimized out> frame = <optimized out> terminal = <optimized out> events = {0xffffffe2, 0x1, 0x556b38ac4d60 <mpz>, 0x556b38ac4d60 <mpz>, 0x1, 0x7f7bd8e4b5e2 <__gmpz_fdiv_q_ui+98>, 0x7ffe48940530, 0xe8d4a51000, 0x0, 0x556b 3855d658 <mpz_to_intmax+24>, 0x7735940, 0x0, 0x556b3d890c55, 0x556b3863a516 <lisp_to_timespec+310>, 0x0, 0xe615180648e71f00} n = 0 #47 read_event_from_main_queue (used_mouse_menu=0x7ffe489409bb, local_getcjmp=0x7ffe48940720, end_time=0x0) at keyboard.c:2230 c = 0x0 count = {bytes = <optimized out>} save_jump = {{__jmpbuf = {0, 0, 0, 0, 0, 0, 0, 0}, __mask_was_saved = 0, __saved_mask = {__val = {0 <repeats 16 times>}}}} kb = <optimized out> nextevt = <optimized out> frame = <optimized out> terminal = <optimized out> events = {0xffffffe2, 0x1, 0x556b38ac4d60 <mpz>, 0x556b38ac4d60 <mpz>, 0x1, 0x7f7bd8e4b5e2 <__gmpz_fdiv_q_ui+98>, 0x7ffe48940530, 0xe8d4a51000, 0x0, 0x556b 3855d658 <mpz_to_intmax+24>, 0x7735940, 0x0, 0x556b3d890c55, 0x556b3863a516 <lisp_to_timespec+310>, 0x0, 0xe615180648e71f00} n = 0 #48 read_decoded_event_from_main_queue (end_time=0x0, local_getcjmp=0x7ffe48940720, prev_event=0x0, used_mouse_menu=0x7ffe489409bb) at keyboard.c:2294 nextevt = <optimized out> frame = <optimized out> terminal = <optimized out> events = {0xffffffe2, 0x1, 0x556b38ac4d60 <mpz>, 0x556b38ac4d60 <mpz>, 0x1, 0x7f7bd8e4b5e2 <__gmpz_fdiv_q_ui+98>, 0x7ffe48940530, 0xe8d4a51000, 0x0, 0x556b 3855d658 <mpz_to_intmax+24>, 0x7735940, 0x0, 0x556b3d890c55, 0x556b3863a516 <lisp_to_timespec+310>, 0x0, 0xe615180648e71f00} n = 0 #49 0x0000556b3854919f in read_char (commandflag=1, map=0x556b3ba3c083, prev_event=0x0, used_mouse_menu=0x7ffe489409bb, end_time=0x0) at keyboard.c:2923 c = <optimized out> local_getcjmp = {{__jmpbuf = {0, -4895500374767776984, 2864, 93919082997733, 0, 93919050449027, 4896307181911821096, 1646572476972288808}, __mask_was_saved = 0, __saved_mask = {__val = {16579184018506325760, 0, 93918996393848, 96, 0, 0, 93919274685501, 35280, 93918995445234, 93919274685501, 93919052362800, 1, 9 3918995366673, 93919052345907, 93918994974232, 93919000722016}}}} save_jump = {{__jmpbuf = {0, 0, 0, 0, 0, 0, 0, 0}, __mask_was_saved = 0, __saved_mask = {__val = {0 <repeats 16 times>}}}} tem = <optimized out> save = <optimized out> previous_echo_area_message = 0x0 also_record = 0x0 reread = false recorded = false polling_stopped_here = true orig_kboard = 0x556b3b04cb80 #50 0x0000556b3854a848 in read_key_sequence (keybuf=<optimized out>, prompt=0x0, dont_downcase_last=<optimized out>, can_return_switch_frame=true, fix_current_buffer=true, prevent_redisplay=<optim ized out>) at keyboard.c:9863 interrupted_kboard = 0x556b3b04cb80 interrupted_frame = 0x556b3d9467e0 key = <optimized out> used_mouse_menu = false echo_local_start = 0 last_real_key_start = 0 keys_local_start = 0 new_binding = <optimized out> t = 0 echo_start = 0 keys_start = 0 current_binding = 0x556b3ba3c083 first_unbound = 31 mock_input = 0 used_mouse_menu_history = {false <repeats 30 times>} fkey = {parent = 0x556b3aef4283, map = 0x556b3aef4283, start = 0, end = 0} keytran = {parent = 0x7f7bd361f71b, map = 0x7f7bd361f71b, start = 0, end = 0} indec = {parent = 0x556b3aef4293, map = 0x556b3aef4293, start = 0, end = 0} shift_translated = false delayed_switch_frame = 0x0 original_uppercase = 0x0 original_uppercase_position = -1 dummyflag = false fake_prefixed_keys = 0x0 first_event = 0x0 second_event = <optimized out> #51 0x0000556b3854c4bb in command_loop_1 () at lisp.h:1155 cmd = <optimized out> keybuf = {0xba, 0x18a, 0x1de, 0xe615180648e71f00, 0x3, 0x556b386aef78, 0x60, 0x0, 0x0, 0x7f7bd35236c5, 0xe190, 0x556b385c75f2 <unbind_to+306>, 0x0, 0x556b3 85cc418 <call3+56>, 0xb, 0xe190, 0x30, 0x7f7bd35236c5, 0x556b38acfa60 <lispsym>, 0x0, 0x556b3f9ff1e3, 0x60, 0x7ffe48940ba0, 0x0, 0x0, 0x556b3853fab6 <cmd_er ror+390>, 0x8e00, 0x556b385c75f2 <unbind_to+306>, 0x0, 0xe615180648e71f00} i = <optimized out> prev_modiff = 5800 prev_buffer = 0x556b49015438 #52 0x0000556b385c68d7 in internal_condition_case (bfun=bfun <at> entry=0x556b3854c280 <command_loop_1>, handlers=handlers <at> entry=0x90, hfun=hfun <at> entry=0x556b3853f930 <cmd_error>) at eval.c:1446 val = <optimized out> c = 0x556b39f6d2d0 #53 0x0000556b385389ea in command_loop_2 (handlers=handlers <at> entry=0x90) at keyboard.c:1137 val = <optimized out> #54 0x0000556b385c6819 in internal_catch (tag=tag <at> entry=0xf060, func=func <at> entry=0x556b385389c0 <command_loop_2>, arg=arg <at> entry=0x90) at eval.c:1176 val = <optimized out> c = 0x556b39e33600 #55 0x0000556b38538986 in command_loop () at lisp.h:1155 #56 0x0000556b3853f4e3 in recursive_edit_1 () at keyboard.c:724 val = <optimized out> #57 0x0000556b3853f870 in Frecursive_edit () at keyboard.c:807 buffer = <optimized out> #58 0x0000556b384588c1 in main (argc=<optimized out>, argv=<optimized out>) at emacs.c:2434 stack_bottom_variable = 0x1d1 no_loadup = false junk = 0x0 dname_arg = 0x7ffe4894247b "2" ch_to_dir = 0x0 original_pwd = <optimized out> dump_mode = <optimized out> skip_args = 1 temacs = 0x0 attempt_load_pdump = <optimized out> rlim = {rlim_cur = 10022912, rlim_max = 18446744073709551615} lc_all = <optimized out> sockfd = -1 module_assertions = <optimized out> (gdb) bt full > tmp/bt_full.txt A syntax error in expression, near `> tmp/bt_full.txt'. (gdb)
[Message part 2 (text/html, inline)]
bug-gnu-emacs <at> gnu.org
:bug#54661
; Package emacs
.
(Fri, 01 Apr 2022 07:41:01 GMT) Full text and rfc822 format available.Message #8 received at 54661 <at> debbugs.gnu.org (full text, mbox):
From: Eli Zaretskii <eliz <at> gnu.org> To: James Ferguson <james <at> faff.org> Cc: 54661 <at> debbugs.gnu.org Subject: Re: bug#54661: 29.0.50; Emacs SEGV in get_glyph_face_and_encoding Date: Fri, 01 Apr 2022 10:40:35 +0300
> From: James Ferguson <james <at> faff.org> > Date: Thu, 31 Mar 2022 17:19:03 -0400 > > My Emacs has SEGVing a few times (twice today), from a fairly recent > build off `master`. Sometimes it seems to have happened when doing > autocompletion (using the `corfu` package), but it has definitely > happened when idle from a user perspective. > > I'm afraid I have a lot of packages active including lsp, and it's way > too random and sporadic to be able to craft a cut-down config. > > I will put the `bt full` output at the bottom of this email. I have > quite a few cores, but a quick check looks like they all have similar stack. > That `face = 0x0` looks ... ominous(?). Yes, that's the immediate reason for the segfault. The question is: how did that happen? It usually happens because some code cleared the frame's face cache between the time the window's glyph matrix was created/updated, which holds the face for each glyph to be displayed, and the time the window's display is actually drawn to the glass. The former part happens in redisplay_windows, called on line 16518 of xdisp.c; the latter part happens inside update_frame, called on line 16598 of xdisp.c. The way to debug this is to find which code empties the face cache, and then figure out the control flow path which leads to that code in your scenario. Can you try figuring that out? One way of doing so is to set up a breakpoint in free_realized_faces, here: for (i = 0; i < c->used; ++i) <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< { free_realized_face (f, c->faces_by_id[i]); c->faces_by_id[i] = NULL; } and enable this breakpoint only between the above two lines of xdisp.c. (You can do that via breakpoint commands of 2 more breakpoints in xdisp.c, in the places I mentioned above: a breakpoint on xdisp.c:16531 with commands that enable the breakpoint in free_realized_face, and another on xdisp.c:16598 which disables that breakpoint.) Then in the breakpoint commands for the breakpoint in free_realized_face, produce the C and Lisp backtrace (the latter with xbacktrace command defined on src/.gdbinit), and post it here. That might tell us which code is doing this. Thanks.
Lars Ingebrigtsen <larsi <at> gnus.org>
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(Sat, 02 Apr 2022 15:30:03 GMT) Full text and rfc822 format available.bug-gnu-emacs <at> gnu.org
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(Sat, 30 Apr 2022 17:30:03 GMT) Full text and rfc822 format available.Message #13 received at 54661 <at> debbugs.gnu.org (full text, mbox):
From: Lars Ingebrigtsen <larsi <at> gnus.org> To: Eli Zaretskii <eliz <at> gnu.org> Cc: James Ferguson <james <at> faff.org>, 54661 <at> debbugs.gnu.org Subject: Re: bug#54661: 29.0.50; Emacs SEGV in get_glyph_face_and_encoding Date: Sat, 30 Apr 2022 19:28:59 +0200
Eli Zaretskii <eliz <at> gnu.org> writes: > Can you try figuring that out? One way of doing so is to set up a > breakpoint in free_realized_faces, here: > > for (i = 0; i < c->used; ++i) <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< > { > free_realized_face (f, c->faces_by_id[i]); > c->faces_by_id[i] = NULL; > } > > and enable this breakpoint only between the above two lines of > xdisp.c. (You can do that via breakpoint commands of 2 more > breakpoints in xdisp.c, in the places I mentioned above: a breakpoint > on xdisp.c:16531 with commands that enable the breakpoint in > free_realized_face, and another on xdisp.c:16598 which disables that > breakpoint.) Then in the breakpoint commands for the breakpoint in > free_realized_face, produce the C and Lisp backtrace (the latter with > xbacktrace command defined on src/.gdbinit), and post it here. That > might tell us which code is doing this. This was a month ago, and there wasn't any response, so I guess there's little chance that there'll be any development in this bug report, so I'm closing it. If progress can be made, please respond to the debbugs address and we'll reopen. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no
Lars Ingebrigtsen <larsi <at> gnus.org>
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