From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#37671: 27.0.50; Segmentation fault with --fg-daemon on Linux Date: Sat, 01 Feb 2020 10:33:02 +0200 Message-ID: <837e16k8qp.fsf@gnu.org> References: <87mueavg1g.fsf@ft.bewatermyfriend.org> <83h84gsvz6.fsf@gnu.org> <874l0ga21l.fsf@ft.bewatermyfriend.org> <87tv568wd9.fsf@ft.bewatermyfriend.org> <83k161c3qd.fsf@gnu.org> <875zhl52cy.fsf@ft.bewatermyfriend.org> <87lfpnf3d2.fsf@ft.bewatermyfriend.org> Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="85191"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 37671@debbugs.gnu.org To: Frank Terbeck Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Feb 01 09:34:12 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ixoEF-000M1w-GV for geb-bug-gnu-emacs@m.gmane-mx.org; 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Sat, 01 Feb 2020 03:34:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 01 Feb 2020 08:34:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 37671 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 37671-submit@debbugs.gnu.org id=B37671.158054600920588 (code B ref 37671); Sat, 01 Feb 2020 08:34:01 +0000 Original-Received: (at 37671) by debbugs.gnu.org; 1 Feb 2020 08:33:29 +0000 Original-Received: from localhost ([127.0.0.1]:38341 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ixoDY-0005M0-Ko for submit@debbugs.gnu.org; Sat, 01 Feb 2020 03:33:28 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:38677) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ixoDW-0005Ln-Ji for 37671@debbugs.gnu.org; Sat, 01 Feb 2020 03:33:26 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:34977) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ixoDR-0005LH-1f; Sat, 01 Feb 2020 03:33:21 -0500 Original-Received: from [176.228.60.248] (port=4563 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1ixoDQ-0002wE-25; Sat, 01 Feb 2020 03:33:20 -0500 In-reply-to: <87lfpnf3d2.fsf@ft.bewatermyfriend.org> (message from Frank Terbeck on Sat, 01 Feb 2020 03:28:09 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:175551 Archived-At: > From: Frank Terbeck > Cc: 37671@debbugs.gnu.org > Date: Sat, 01 Feb 2020 03:28:09 +0100 > > Eli Zaretskii wrote: > > (I assume that you still have the crashed session in the debugger.) > > Okay, new chance. :) Thanks. > Thread 1 "emacs-28.0.50" received signal SIGSEGV, Segmentation fault. > show_mouse_face (hlinfo=0x555556d00830, draw=DRAW_NORMAL_TEXT) at xdisp.c:31447 > 31447 && hlinfo->mouse_face_end_row < w->current_matrix->nrows) [...] > (gdb) p *hlinfo > $9 = {mouse_face_beg_row = 16, > mouse_face_beg_col = 21, > mouse_face_beg_x = 252, > mouse_face_end_row = 16, > mouse_face_end_col = 35, > mouse_face_end_x = 420, > mouse_face_window = 0x5555571b9bc5, > mouse_face_face_id = 52, > mouse_face_overlay = 0x0, > mouse_face_mouse_frame = 0x5555589ff5d0, > mouse_face_mouse_x = 401, > mouse_face_mouse_y = 425, > mouse_face_past_end = false, > mouse_face_defer = false, > mouse_face_hidden = false} So hlinfo seems to be OK. What about this part: > 31447 && hlinfo->mouse_face_end_row < w->current_matrix->nrows) ^^^^^^^^^^^^^^^^^^^^^^^^ Try: (gdb) p *w and then (gdb) p *w->current_matrix