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Mon, 04 May 2020 05:50:44 -0700 (PDT) Received: from meru ([2a01:cb18:832e:5f00:25fc:d747:8855:423b]) by smtp.gmail.com with ESMTPSA id z6sm5976017wrt.57.2020.05.04.05.50.43 for <40981@debbugs.gnu.org> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 May 2020 05:50:43 -0700 (PDT) From: Mathieu Othacehe References: <87o8r9w5re.fsf@gmail.com> <87a72ox6ws.fsf@gmail.com> Date: Mon, 04 May 2020 14:50:43 +0200 In-Reply-To: <87a72ox6ws.fsf@gmail.com> (Mathieu Othacehe's message of "Mon, 04 May 2020 13:42:59 +0200") Message-ID: <87zhanx3rw.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-Spam-Score: -1.0 (-) 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" X-Scanner: scn0 X-Spam-Score: 0.09 Authentication-Results: aspmx1.migadu.com; dkim=fail (rsa verify failed) header.d=gmail.com header.s=20161025 header.b=Nlg81f+P; dmarc=fail reason="SPF not aligned (relaxed)" header.from=gmail.com (policy=none); spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 2001:470:142::17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Scan-Result: default: False [0.09 / 13.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; GENERIC_REPUTATION(0.00)[-0.49454441197146]; DWL_DNSWL_FAIL(0.00)[2001:470:142::17:server fail]; R_SPF_ALLOW(-0.20)[+ip6:2001:470:142::/48:c]; FREEMAIL_FROM(0.00)[gmail.com]; TO_DN_NONE(0.00)[]; IP_REPUTATION_HAM(0.00)[asn: 22989(0.13), country: US(-0.00), ip: 2001:470:142::17(-0.49)]; R_DKIM_REJECT(1.00)[gmail.com:s=20161025]; MX_GOOD(-0.50)[cached: eggs.gnu.org]; DKIM_TRACE(0.00)[gmail.com:-]; MAILLIST(-0.20)[mailman]; FORGED_RECIPIENTS_MAILLIST(0.00)[]; RCVD_IN_DNSWL_FAIL(0.00)[2001:470:142::17:server fail]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:22989, ipnet:2001:470:142::/48, country:US]; MID_RHS_MATCH_FROM(0.00)[]; TAGGED_FROM(0.00)[larch=yhetil.org]; FROM_NEQ_ENVFROM(0.00)[mothacehe@gmail.com,bug-guix-bounces@gnu.org]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[40981@debbugs.gnu.org]; HAS_LIST_UNSUB(-0.01)[]; RCPT_COUNT_ONE(0.00)[1]; RCVD_COUNT_SEVEN(0.00)[9]; FORGED_SENDER_MAILLIST(0.00)[]; DMARC_POLICY_SOFTFAIL(0.10)[gmail.com : SPF not aligned (relaxed),none] X-TUID: ZKaoGEdS4h6E > I'll keep looking! Ok, getting closer. Here's a suspect part of Shepherd strace log: --8<---------------cut here---------------start------------->8--- [pid 1] stat("/etc/localtime", {st_mode=S_IFREG|0444, st_size=2298, ...}) = 0 [pid 1] write(9, "shepherd[1]: changing HTTP/HTTPS"..., 86) = 86 [pid 1] getpgid(194) = 194 [pid 1] kill(-194, SIGTERM) = 0 --8<---------------cut here---------------end--------------->8--- I think the problem is introduced by commit 1e7a91d21f1cc5d02697680e19e3878ff8565710 in Shepherd. "(getpgid ") returns 0, and calling "(kill 0 SIGTERM)" kills all processes. Now, I really don't get how guix-daemon pgid could be zero. Man page of setpgid(2) says: --8<---------------cut here---------------start------------->8--- A child created via fork(2) inherits its parent's process group ID. The PGID is preserved across an execve(2). --8<---------------cut here---------------end--------------->8--- WDYT? Thanks, Mathieu