From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Andrii Kolomoiets Newsgroups: gmane.emacs.bugs Subject: bug#38748: 28.0.50; crash on MacOS 10.15.2 Date: Wed, 01 Jan 2020 22:42:19 +0200 Message-ID: References: <20191226130420.GB71460@breton.holly.idiocy.org> <83fth7qa3a.fsf@gnu.org> <83blrtq2j0.fsf@gnu.org> <83sgl3lyii.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="114356"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (darwin) Cc: alan@idiocy.org, jguenther@gmail.com, 38748@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jan 01 21:43:12 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1imkpj-000Tce-Ds for geb-bug-gnu-emacs@m.gmane.org; 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Wed, 01 Jan 2020 12:42:21 -0800 (PST) Original-Received: from muffinmac.local ([91.206.110.168]) by smtp.gmail.com with ESMTPSA id z5sm18368632lji.40.2020.01.01.12.42.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Jan 2020 12:42:20 -0800 (PST) In-Reply-To: <83sgl3lyii.fsf@gnu.org> (Eli Zaretskii's message of "Sun, 29 Dec 2019 21:31:17 +0200") 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:174052 Archived-At: Eli Zaretskii writes: >> From: Andrii Kolomoiets >> Cc: alan@idiocy.org, 38748@debbugs.gnu.org >> Date: Sun, 29 Dec 2019 21:01:42 +0200 >> >> I can print the 'last_marked_index': >> >> (gdb) p last_marked_index >> $2 = 41 >> >> But what can I do with 'last_marked'? >> >> (gdb) p last_marked[40] >> 'last_marked' has unknown type; cast it to its declared type > > last_marked is an array of Lisp objects, arranged in circular order, > i.e. when the index reaches the last element, it is reset back to > zero. > > To print the object at last_marked[i], for some i, you do > > (gdb) p last_marked[i] > (gdb) xtype > > The xtype command will tell you the type of the Lisp object. You then > display it with the corresponding xTYPE command: xint for an integer, > xcons for a cons cell, xstring for a string, xvector for a vector, > xbuffer for a buffer, etc. Here's a short example: > > (gdb) p last_marked_index > $2 = 1 > (gdb) p last_marked[0] > $3 = XIL(0x8000000006287630) > (gdb) xtype > Lisp_String > (gdb) xstring > $4 = (struct Lisp_String *) 0x6287630 > " *buffer-defaults*" I'm still have no luck to print last_marked item: (gdb) p last_marked_index $1 = 278 (gdb) p last_marked[277] 'last_marked' has unknown type; cast it to its declared type IDK if it make sense, casting last_modified to Lisp_Object gives me this: (gdb) p (Lisp_Object)last_marked $6 = XIL(0x102dc4203) (gdb) xtype Lisp_Cons (gdb) xcons $7 = (struct Lisp_Cons *) 0x102dc4200 { u = { s = { car = XIL(0x102a3aa15), u = { cdr = XIL(0x102dc4213), chain = 0x102dc4213 } }, gcaligned = 0x15 } } But I found the commit after which error is occurs: b2949d39261e82c33572ba8a250298ef0b165b95 Commenting out that 'ok = false;' line make Emacs works without errors. Justin, can you please check if Emacs prior to that commit is works fine for you?