From mboxrd@z Thu Jan 1 00:00:00 1970 From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=) Subject: bug#26976: On Hydra, offload crashes while trying to build linux-libre source Date: Sat, 20 May 2017 00:36:46 +0200 Message-ID: <87mva88oe9.fsf@gnu.org> References: <87h90japz0.fsf@netris.org> <87h90h966f.fsf@gnu.org> <87pof5dnja.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:38835) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dBqX8-0001se-Mu for bug-guix@gnu.org; Fri, 19 May 2017 18:38:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dBqX4-0000Q6-06 for bug-guix@gnu.org; Fri, 19 May 2017 18:38:06 -0400 Received: from debbugs.gnu.org ([208.118.235.43]:53037) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dBqX3-0000Q2-SK for bug-guix@gnu.org; Fri, 19 May 2017 18:38:01 -0400 Sender: "Debbugs-submit" Resent-Message-ID: In-Reply-To: <87pof5dnja.fsf@gnu.org> ("Ludovic \=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\= \=\?utf-8\?Q\?s\?\= message of "Fri, 19 May 2017 14:44:09 +0200") List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org Sender: "bug-Guix" To: Mark H Weaver Cc: Artyom Poptsov , 26976@debbugs.gnu.org Hi again, I was able to reproduce it on hydra.gnu.org with: guix copy --to=3Dhydra.gnunet.org /gnu/store/gi7r1v65zqhh8riqprq8nchfc9v9= k156-guix-current which leads most of the time to SIGSEGV (I couldn=E2=80=99t get the SIGSEGV= on my laptop): --8<---------------cut here---------------start------------->8--- Thread 1 received signal SIGSEGV, Segmentation fault. 0x00007f121ff61ac7 in deflate_fast () from /gnu/store/jwkcd7siv6fcyl0qsg607= bg9c8ap0gqr-zlib-1.2.11/lib/libz.so.1 (gdb) bt #0 0x00007f121ff61ac7 in deflate_fast () from /gnu/store/jwkcd7siv6fcyl0qs= g607bg9c8ap0gqr-zlib-1.2.11/lib/libz.so.1 #1 0x00007f121ff6378d in deflate () from /gnu/store/jwkcd7siv6fcyl0qsg607b= g9c8ap0gqr-zlib-1.2.11/lib/libz.so.1 #2 0x00007f121e281451 in gzip_compress () from /gnu/store/vlc43y485v80sgq7= iw60hzy4pw5r52d2-libssh-0.7.4/lib/libssh.so.4 #3 0x00007f121e281783 in compress_buffer () from /gnu/store/vlc43y485v80sg= q7iw60hzy4pw5r52d2-libssh-0.7.4/lib/libssh.so.4 #4 0x00007f121e266ea7 in packet_send2 () from /gnu/store/vlc43y485v80sgq7i= w60hzy4pw5r52d2-libssh-0.7.4/lib/libssh.so.4 #5 0x00007f121e257598 in channel_write_common () from /gnu/store/vlc43y485= v80sgq7iw60hzy4pw5r52d2-libssh-0.7.4/lib/libssh.so.4 #6 0x00007f121e6c15ee in write_to_channel_port () from /gnu/store/ql5h9hxh= 5560d42xdirh0yxzrgii6i0m-guile-ssh-0.11.0/lib/libguile-ssh.so.11 #7 0x00007f122532472c in scm_i_write_bytes () from /gnu/store/5zx29y44nrqj= 0s8h3jlvlj82k8hj4dxs-guile-2.2.2/lib/libguile-2.2.so.1 #8 0x00007f122532bde4 in scm_put_bytevector () from /gnu/store/5zx29y44nrq= j0s8h3jlvlj82k8hj4dxs-guile-2.2.2/lib/libguile-2.2.so.1 #9 0x00007f1225360c4d in vm_regular_engine () from /gnu/store/5zx29y44nrqj= 0s8h3jlvlj82k8hj4dxs-guile-2.2.2/lib/libguile-2.2.so.1 --8<---------------cut here---------------end--------------->8--- Unfortunately, when running under =E2=80=9Cvalgrind --trace-children=3Dyes= =E2=80=9D, it doesn=E2=80=99t segfault and Valgrind doesn=E2=80=99t report anything inter= esting (neither on hydra.gnu.org nor on my laptop). I built libssh and guile-ssh with -fsanitize=3Daddress on my laptop but that doesn=E2=80=99t report anything useful either. Suggestions welcome! Ludo=E2=80=99.