From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.devel Subject: Re: SIGABRT in `stream-of-directory-files' Date: Tue, 27 Feb 2018 12:02:48 +0100 Message-ID: <87o9kaoftz.fsf@web.de> References: <87y3jgosv1.fsf@web.de> <83r2p71wsg.fsf@gnu.org> <87sh9mojsw.fsf@web.de> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1519729268 6627 195.159.176.226 (27 Feb 2018 11:01:08 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 27 Feb 2018 11:01:08 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.91 (gnu/linux) Cc: Eli Zaretskii , emacs-devel@gnu.org To: Andreas Schwab Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Feb 27 12:01:04 2018 Return-path: Envelope-to: ged-emacs-devel@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 1eqd0J-0001HL-65 for ged-emacs-devel@m.gmane.org; Tue, 27 Feb 2018 12:01:03 +0100 Original-Received: from localhost ([::1]:36220 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eqd2L-00044V-LU for ged-emacs-devel@m.gmane.org; Tue, 27 Feb 2018 06:03:09 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:58004) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eqd2E-000444-9z for emacs-devel@gnu.org; Tue, 27 Feb 2018 06:03:03 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eqd2B-0002Si-MJ for emacs-devel@gnu.org; Tue, 27 Feb 2018 06:03:02 -0500 Original-Received: from mout.web.de ([212.227.15.4]:58029) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eqd2B-0002S8-7p; Tue, 27 Feb 2018 06:02:59 -0500 Original-Received: from drachen.dragon ([188.99.169.170]) by smtp.web.de (mrweb001 [213.165.67.108]) with ESMTPSA (Nemesis) id 0LwI2w-1efE7b3w0k-0182xC; Tue, 27 Feb 2018 12:02:50 +0100 In-Reply-To: (Andreas Schwab's message of "Tue, 27 Feb 2018 11:34:58 +0100") X-Provags-ID: V03:K0:JbmWyH+w4IM0AWAoDK3UXfKvVTxzjRkvTBEom35VSn8edcVh+oe nXmdhWWSv0/z+z5C2Nxyqh07wUuBEY4JU79lza0QpaV0L0hNyhoMXRK5F/AsKs+5k4/Vi5k M3vvfn3H1uCBKk60ALpuG70El8KoeUD8qip/VPMXH1FXxYBvhsfAatQl31BjUPLZ8FRkSjS Toyt3gl6i1N7DQPvJsXhA== X-UI-Out-Filterresults: notjunk:1;V01:K0:OjOewjb1cr0=:aCfh8gTTkhArtvASmEk0B7 KKArAalt/2CxVsr0MRfrmriqTLk7qFoBsIF4yuQG9Iyx144nlm+dphyw3cuMtq4SUrW0tG8d/ wnNj8eKax0VdJmcCnKH8YIdEJQghcssIilVYG/8OXrdWlNgfdf8q3BZdnkAIVGBfdPlLlr9mr ZHbQdQY+UfZuvO4txtWUaaoXfS5VvRnsywD6S6F+B1TCrmQE0/PRAibmnWL5vBarbjqknwnfO 2chIOsJ+MNtlkwsBeTSprq4liK8e9NEsFoL1J9N6ZddQ8efjBEdKsrCKyaljS2kjDMqwQusHZ 4osPbPc1rMnrrXbdc6GgiFe82SHwnVLMIopM/9CGC1YQ7JsgR1fsk46VJkrMyNznFXm/1amjO HNFaiAqO5fXZdyGaDYW3ohITkPThCFqra+NKwtFIyhmCfb0XadEdOjgZD+IIyG9AdS9Sonjg6 fZ3o/I8w8wAW7IuWN5i9lN8lin1I/vaGZSuLYukbo00ugYAahVUNPorUTfHawPnvnCoBQ3awV w54bLuMx/zA0LiTgWHnRAN2j3C0pMOyK19HFT+LTC77zWKbjM84BKu/WdLLbOQ9/ix228NiN9 GfvAUJXU+OIxVr+ryyErS4dOB56fh50zY8jMDEO3iE6qYDUeL8dxfDvs9yxYDZBPty7bSYHRD L/9jbRmB6mSfdKoyJ2+3hA5/fjQkBrpyS8oHnPXei2Zbtq0q1zQX6NgeZIHkwQeDYP/AuVsTN W2kXfsdmpWIlkI3w1P3R82huq+TXXR6GtI35r3O+i5tco9a271kp5NblA8L6MKiZgmsFH0Bp X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 212.227.15.4 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:223113 Archived-At: Andreas Schwab writes: > Do you have enabled some settings that disallow tracing processes? Not that I knew, no. > Does strace work? Yes, strace works well. Here is an example session from xterm - am I doing something wrong? micha> cd software/emacs/src src> gdb ./emacs GNU gdb (Debian 7.12-6+b1) 7.12.0.20161007-git Copyright (C) 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from ./emacs...done. SIGINT is used by the debugger. Are you sure you want to change it? (y or n) [answered Y; input not from terminal] DISPLAY = :0 TERM = xterm-256color Breakpoint 1 at 0x55980d: file emacs.c, line 364. Temporary breakpoint 2 at 0x57de7e: file sysdep.c, line 1077. (gdb) run Starting program: /home/micha/software/emacs/src/emacs Fatal error 11: Segmentation fault Backtrace: /home/micha/software/emacs/src/emacs[0x57f469] /home/micha/software/emacs/src/emacs[0x5598a1] /home/micha/software/emacs/src/emacs[0x57ec89] /home/micha/software/emacs/src/emacs[0x57ec5a] /home/micha/software/emacs/src/emacs[0x57ecc4] /home/micha/software/emacs/src/emacs[0x57ee80] /lib/x86_64-linux-gnu/libpthread.so.0(+0x12180)[0x7ffff12ca180] /home/micha/software/emacs/src/emacs[0x555543] /home/micha/software/emacs/src/emacs[0x555561] /home/micha/software/emacs/src/emacs[0x61618f] /home/micha/software/emacs/src/emacs[0x61621b] /home/micha/software/emacs/src/emacs[0x61644b] /home/micha/software/emacs/src/emacs[0x6034d0] /home/micha/software/emacs/src/emacs[0x5ff74f] /home/micha/software/emacs/src/emacs[0x603025] /home/micha/software/emacs/src/emacs[0x5ff74f] /home/micha/software/emacs/src/emacs[0x603025] /home/micha/software/emacs/src/emacs[0x602aca] /home/micha/software/emacs/src/emacs[0x604c80] /home/micha/software/emacs/src/emacs[0x604890] /home/micha/software/emacs/src/emacs[0x64cc41] /home/micha/software/emacs/src/emacs[0x60529c] /home/micha/software/emacs/src/emacs[0x6048d4] /home/micha/software/emacs/src/emacs[0x64cc41] /home/micha/software/emacs/src/emacs[0x60529c] /home/micha/software/emacs/src/emacs[0x6048d4] /home/micha/software/emacs/src/emacs[0x5fc8f7] /home/micha/software/emacs/src/emacs[0x604b87] /home/micha/software/emacs/src/emacs[0x604890] /home/micha/software/emacs/src/emacs[0x603cdb] /home/micha/software/emacs/src/emacs[0x5fcd7d] /home/micha/software/emacs/src/emacs[0x604cac] /home/micha/software/emacs/src/emacs[0x604890] /home/micha/software/emacs/src/emacs[0x64cc41] /home/micha/software/emacs/src/emacs[0x60529c] /home/micha/software/emacs/src/emacs[0x6048d4] /home/micha/software/emacs/src/emacs[0x6042a0] /home/micha/software/emacs/src/emacs[0x55ec02] /home/micha/software/emacs/src/emacs[0x6013b2] /home/micha/software/emacs/src/emacs[0x55e151] /home/micha/software/emacs/src/emacs[0x600c94] ... During startup program terminated with signal SIGSEGV, Segmentation fault. (gdb) bt No stack. (gdb) xbacktrace You can't do that without a process to debug. (gdb) Thanks, Michael.