From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: npostavs@users.sourceforge.net Newsgroups: gmane.emacs.bugs Subject: bug#28308: Build failure on FreeBSD/aarch64 Date: Mon, 11 Sep 2017 02:07:56 -0400 Message-ID: <87k215lqdf.fsf@users.sourceforge.net> References: <2e5f41f7-e005-c28f-c04a-79953a804f71@harmless.hu> <8760d17pyj.fsf@users.sourceforge.net> <9ae1840f-9056-8771-43fa-b27bbd2b1bd3@harmless.hu> <87k218g33g.fsf@users.sourceforge.net> <2fbe77fe-1258-cef2-32e2-f741da514151@harmless.hu> <83y3powdsv.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: blaine.gmane.org 1505110168 13017 195.159.176.226 (11 Sep 2017 06:09:28 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 11 Sep 2017 06:09:28 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) Cc: Gergely Czuczy , 28308@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Sep 11 08:09:20 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1drHu4-0002If-AH for geb-bug-gnu-emacs@m.gmane.org; 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Sun, 10 Sep 2017 23:08:10 -0700 (PDT) Original-Received: from whitebox ([141.226.218.18]) by smtp.googlemail.com with ESMTPSA id n9sm3044712wmd.12.2017.09.10.23.08.08 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 10 Sep 2017 23:08:08 -0700 (PDT) In-Reply-To: <83y3powdsv.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 09 Sep 2017 10:07:12 +0300") 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: 208.118.235.43 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:136766 Archived-At: Eli Zaretskii writes: >> From: Gergely Czuczy >> Date: Sat, 9 Sep 2017 07:01:20 +0200 >> Cc: 28308@debbugs.gnu.org >>=20 >> * thread #1, name =3D 'bootstrap-emacs', stop reason =3D signal SIGSEGV:= =20 >> invalid address (fault address: 0x41aef578) >> =C2=A0 * frame #0: 0x0000000000228460=20 >> bootstrap-emacs`xnrealloc(pa=3D0x0000000000000000, nitems=3D0,=20 >> item_size=3D1101985151) at alloc.c:939 >> =C2=A0=C2=A0=C2=A0 frame #1: 0x0000000000228204=20 >> bootstrap-emacs`xnrealloc(pa=3D0x000000000019ae38, nitems=3D42949672960,= =20 >> item_size=3D281474976703896) at alloc.c:939 >> =C2=A0=C2=A0=C2=A0 frame #2: 0x000000000022e208=20 >> bootstrap-emacs`xpalloc(pa=3D0x0000000000000000,=20 >> nitems=3D0x0000000041aef57f, nitems_incr_min=3D1683000,=20 >> nitems_max=3D42949672960, item_size=3D281474976703896) at alloc.c:0 >> =C2=A0=C2=A0=C2=A0 frame #3: 0x0000000000168214=20 >> bootstrap-emacs`delete_tty(terminal=3D0xbc7603df25a071f3) at term.c:4463 >> =C2=A0=C2=A0=C2=A0 frame #4: 0x0000000000040190 bootstrap-emacs`__start= + 376 >> =C2=A0=C2=A0=C2=A0 frame #5: 0x0000000040390018 ld-elf.so.1`.rtld_start= at rtld_start.S:41 >> (lldb) > > I don't understand how come xpalloc got called in this context. > delete_tty on line 4463 of term,c calls delete_terminal, which only > calls xfree. It doesn't allocate any memory (of course), let alone > with semi-bogus arguments as shown in this backtrace. Frame #2 "at alloc.c:0" seems a bit fishy too. Stack corruption? Or is it possible optimizations are interfering with the debug info? Gergely, could you try rebuiding with -O0 in addition to -g?