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Received: from 91-160-117-201.subs.proxad.net ([91.160.117.201]:55201 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mv5Gz-0005sL-Rz; Wed, 08 Dec 2021 17:18:51 -0500 From: Ludovic =?UTF-8?Q?Court=C3=A8s?= References: <87pmqr1i8k.fsf@gmail.com> <87czmqorjb.fsf@jpoiret.xyz> <87tug0c1zi.fsf@gmail.com> <87wnkvp8cx.fsf@jpoiret.xyz> <87mtlcun1h.fsf@gmail.com> Date: Wed, 08 Dec 2021 23:18:47 +0100 In-Reply-To: <87mtlcun1h.fsf@gmail.com> (Maxim Cournoyer's message of "Tue, 07 Dec 2021 16:23:38 -0500") Message-ID: <87a6hahha0.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable 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: , Cc: 52051@debbugs.gnu.org Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Migadu-Flow: FLOW_IN ARC-Message-Signature: i=1; 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aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=gnu.org header.s=fencepost-gnu-org header.b=OMpTdArC; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -3.65 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=gnu.org header.s=fencepost-gnu-org header.b=OMpTdArC; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 7AEB115BE4 X-Spam-Score: -3.65 X-Migadu-Scanner: scn1.migadu.com X-TUID: 1RQpryZCPNqH Hi, Maxim Cournoyer skribis: > Dec 7 15:55:02 localhost shepherd[1]: Service dbus-system has been start= ed. > [...] > Dec 7 15:55:10 localhost shepherd[1]: Service ntpd has been started. > [...] > Dec 7 15:54:46 localhost ntpd[341]: ntpd 4.2.8p15@1.3728-o Thu Jan 1 12= :00:01 AM UTC 1970 (1): Starting > [...] > Dec 7 15:55:14 localhost shepherd[1]: Service elogind has been started. > [...] > Dec 7 15:55:21 localhost shepherd[1]: Service upower-daemon has been sta= rted. > [...] > Dec 7 15:54:51 localhost dbus-daemon[335]: [system] Activating service n= ame=3D'org.freedesktop.login1' requested by ':1.1' (uid=3D0 pid=3D345 comm= =3D"/gnu/store/g1qlpzcfnk2r6186al2hfqjmq9yl7qkk-upower") (using servicehelp= er) The key thing here is that dbus-daemon things elogind is not running and thus considers it has to start it, which is bound to fail. You can display the list of services known to the DBus system bus with: dbus-send --system --print-reply --dest=3Dorg.freedesktop.DBus \ /org/freedesktop/DBus org.freedesktop.DBus.ListNames I tried in a VM that had booted fine and it shows =E2=80=9Corg.freedesktop.login1=E2=80=9D as expected. Could you check what= that gives for you when the bug above shows up? I wonder if it=E2=80=99s possible for there to be a race, like elogind says =E2=80=9Chi!=E2=80=9D to dbus-daemon but dbus-daemon is still sleepy and do= esn=E2=80=99t notice. Seems hard to believe though. If it=E2=80=99s reproducible, could you instrument =E2=80=98elogind-service= -type=E2=80=99 such that elogind is started with =E2=80=9Cstrace -f -o /elogind.log -s 700=E2= =80=9D? HTH, Ludo=E2=80=99.