From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#52141: 29.0.50; Crash during redisplay Date: Sat, 27 Nov 2021 13:37:35 +0200 Message-ID: <83lf19zv5s.fsf@gnu.org> References: <87o865c13p.fsf.ref@yahoo.com> <87o865c13p.fsf@yahoo.com> <83sfvhzvxo.fsf@gnu.org> <87bl25bzqq.fsf@yahoo.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1752"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 52141@debbugs.gnu.org To: Po Lu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Nov 27 12:38:23 2021 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 1mqw2A-0000F4-8F for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 27 Nov 2021 12:38:22 +0100 Original-Received: from localhost ([::1]:36506 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mqw29-0008B5-49 for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from [87.69.77.57] (port=3973 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mqw1H-0000C7-Kc; Sat, 27 Nov 2021 06:37:27 -0500 In-Reply-To: <87bl25bzqq.fsf@yahoo.com> (message from Po Lu on Sat, 27 Nov 2021 19:32:29 +0800) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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:220904 Archived-At: > From: Po Lu > Cc: 52141@debbugs.gnu.org > Date: Sat, 27 Nov 2021 19:32:29 +0800 > > >> #9 set_next_vectorPython Exception : Cannot access memory at address 0xfe94cc8 > >> (p=#10 setup_on_free_list (nbytes=, v=0x2ce6c10) at alloc.c:2977 > >> #11 sweep_vectors () at alloc.c:3242 > >> #12 0x0000000000561328 in gc_sweep () at alloc.c:7255 > >> #13 garbage_collect () at alloc.c:6190 > >> #14 0x0000000000561811 in maybe_garbage_collect () at alloc.c:6053 > >> #15 0x00000000005804ad in maybe_gc () at /home/oldosfan/emacs-dev/emacs-gc/src/lisp.h:5161 > >> #16 eval_sub (form=0x1e753d3) at eval.c:2449 > >> #17 0x0000000000582149 in Feval (form=0x1e753d3, lexical=) at eval.c:2372 > > ^^^^ > > What is this form we are evaluating here? Can you show its contents? > > (Not that I think it is related to the crash.) > > Its type is Lisp_Cons. However, its address is invalid. Running > `xcons' in gdb complains: > > (gdb) xcons > $9 = (struct Lisp_Cons *) 0x1e753d0 > Cannot access memory at address 0x1e753d0 Hmm... and the address is very different from the one which caused the segfault. Strange. Any ideas, anyone?