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Thu, 19 Oct 2023 12:30:02 -0400 X-Loop: help-debbugs@gnu.org Subject: bug#66610: Acknowledgement (potrace, po4a; guix bug, complete console output) Resent-From: Olav Smorholm Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Thu, 19 Oct 2023 16:30:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 66610 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: 66610@debbugs.gnu.org Received: via spool by 66610-submit@debbugs.gnu.org id=B66610.16977329856588 (code B ref 66610); Thu, 19 Oct 2023 16:30:02 +0000 Received: (at 66610) by debbugs.gnu.org; 19 Oct 2023 16:29:45 +0000 Received: from localhost ([127.0.0.1]:37674 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qtVu5-0001iC-6a for submit@debbugs.gnu.org; Thu, 19 Oct 2023 12:29:45 -0400 Received: from mail-lf1-x135.google.com ([2a00:1450:4864:20::135]:55514) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qtVu0-0001hv-UJ for 66610@debbugs.gnu.org; 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[92.220.123.81]) by smtp.gmail.com with ESMTPSA id u21-20020ac243d5000000b0050335c6d091sm1149286lfl.79.2023.10.19.09.29.06 for <66610@debbugs.gnu.org> (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 19 Oct 2023 09:29:06 -0700 (PDT) Date: Thu, 19 Oct 2023 18:29:00 +0200 From: Olav Smorholm Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20230517 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: bug-guix-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US X-Spam-Score: 3.35 X-Migadu-Queue-Id: 051E86D0F8 X-Migadu-Scanner: mx0.migadu.com X-Migadu-Spam-Score: 3.35 X-TUID: SZYH4jARIbOv On Thu, Oct 19, 2023 at 03:05:01PM +0200, Olav Smorholm wrote: > On Wed, Oct 18, 2023 at 11:21:06PM +0200, Olav Smorholm wrote: > > Tried to reproduce, but with no substitutes and no grafts. > > Wed Oct 18 18:48:34 2023] mes[19410]: segfault at 0 ip 0000000001016085 sp 00000000ffff5044 error 6 in mes[1000000+18000] likely on CPU 4 (core 8, socket 0) > > [Wed Oct 18 18:48:34 2023] Code: 60 01 01 e8 71 ef ff ff 83 c4 04 85 c0 b8 00 00 00 00 89 45 fc b8 00 00 00 00 bb 00 00 00 00 50 89 d8 8b 5d fc 01 d8 89 c3 58 <88> 03 85 c0 c9 c3 3a 00 61 73 73 65 72 74 20 66 61 69 6c 3a 20 00 > > > > Which should be the first, and perhaps only one before conf and tests. > > Reported as guix binary requested with caveats that while GNU, i tend to opt > > for UNIX crashy. and could be hard to chase with coincidence mixed in; > > hard to chase. > > took much longer with --no-grafts and --no-substitutes, but this also > showed up again, but not the seed. > > [Thu Oct 19 12:18:54 2023] xsltproc[5943]: segfault at 7fffff7fefe0 ip 00007ffff7b952ce sp 00007fffff7fefb0 error 6 in libc.so.6[7ffff7b2a000+167000] > > still fairly sure its from guix building. > > [Tue Oct 17 21:33:19 2023] process 'bootstrap-seeds/POSIX/x86/kaem-optional-seed' started with executable stack Reboot, and by not checking, into rebuild kernel without the pattern init unsafe hardening options. For an hour and half, the only thing I see is this: Thu Oct 19 16:57:16 2023] process 'store/5srp88m0d10qxnb49c3sa2a186kjy6xz-tcc-boot-0.9.27/bin/tcc' started with executable stack Instead of the seed, and no mes segfaults, and will do this again. It's a bit of a stretch to say I had a rodent i here segfaulted my way out of, but I dont live in any of the relevant information structures between compiler assembly, running code and debuggers. Nor familiarity enough to say why tcc is said to be started with executable stack instead of the seed as above. I am just fairly certain that something isn't house clean in what is inherently complicated and bootstrap that touches many fundamental things.