Received: (at 72166) by debbugs.gnu.org; 4 Sep 2024 09:28:06 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Sep 04 05:28:06 2024 Received: from localhost ([127.0.0.1]:33580 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1slmJ3-00034j-Ut for submit <at> debbugs.gnu.org; Wed, 04 Sep 2024 05:28:06 -0400 Received: from eggs.gnu.org ([209.51.188.92]:47646) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <ludo@HIDDEN>) id 1slmJ1-00034C-92 for 72166 <at> debbugs.gnu.org; Wed, 04 Sep 2024 05:28:04 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <ludo@HIDDEN>) id 1slmFn-0002D5-MH; Wed, 04 Sep 2024 05:24:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:Date:References:In-Reply-To:Subject:To: From; bh=SHYhRSwJuP91fnW9q/Phg7J7ubTif/qO5azAqHm7dLA=; b=Ql0Ceku4+bO0opT7i6mZ mjlWonVnID3cYaxGHktcumpDgTIt7m19NipMnyb0FHOUIZj57OQXUNDE1ajRpYFJUL2rESJ7rWY75 hLvL5K0S0Jtn8Z8XD5WEATQC8E7nlWvyYxufSyPNoUN3NSEKY2AphtlMnkVfkuTHx/AZ3Ii/Jqgvq Ot6kbghGVIP0oW+gnsuNhSDVK8B/BqvdEP/0Q54BcsVVjsdgvzHYeGGidR92GrxY2cIvvHEtXjVw3 VaDYf3xU8+eR0ahRTS2j712wzD7buae3YIcl3Ybonb0hEYb0ki0Un6woydQhDIEQX4OO0j7QRQcpb GKLlZe0Z8GpWnQ==; From: =?utf-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN> To: Jonathan Frederickson <jonathan@HIDDEN> Subject: Re: bug#72166: Shepherd periodically goes unresponsive on one of my machines In-Reply-To: <6f4711b4-3092-4bbe-91d9-8cb2ce44ed1b@HIDDEN> (Jonathan Frederickson's message of "Thu, 22 Aug 2024 13:52:54 -0400 (EDT)") References: <df6e8894-fd84-446f-a67f-50cdcc9de5b3@HIDDEN> <878qxxtmwu.fsf@HIDDEN> <7974c622-e7d8-48b3-9948-14e8d7654793@HIDDEN> <87zfq9kiei.fsf@HIDDEN> <5477099d-fbc5-4acd-8320-f88ed3107de7@HIDDEN> <877ccg78gy.fsf@HIDDEN> <b559c5a9-1c87-43f7-a294-b5248e117b2d@HIDDEN> <eec39e18-8a2b-440f-ad97-4779e56362af@HIDDEN> <8734mztl9u.fsf@HIDDEN> <b86349b4-4c6f-4fef-b29b-95db86065a85@HIDDEN> <87zfp4nbn0.fsf@HIDDEN> <6f4711b4-3092-4bbe-91d9-8cb2ce44ed1b@HIDDEN> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: Nonidi 19 Fructidor an 232 de la =?utf-8?Q?R=C3=A9vo?= =?utf-8?Q?lution=2C?= jour du Tagette X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Wed, 04 Sep 2024 11:24:40 +0200 Message-ID: <87bk13g49z.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: 1.3 (+) X-Spam-Report: Spam detection software, running on the system "debbugs.gnu.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hi, Jonathan Frederickson <jonathan@HIDDEN> skribis: > I've also run into what looks like the same thing on a laptop that does have an RTC, but it also has an NTP daemon running on it. (I have also noticed that this is most common on that laptop after a [...] Content analysis details: (1.3 points, 10.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 3.6 RCVD_IN_SBL_CSS RBL: Received via a relay in Spamhaus SBL-CSS [209.51.188.92 listed in zen.spamhaus.org] -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [209.51.188.92 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record X-Debbugs-Envelope-To: 72166 Cc: 72166 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: 0.3 (/) Hi, Jonathan Frederickson <jonathan@HIDDEN> skribis: > I've also run into what looks like the same thing on a laptop that does h= ave an RTC, but it also has an NTP daemon running on it. (I have also notic= ed that this is most common on that laptop after a suspend/resume cycle, so= maybe that's triggering the bug as well?) Suspend/resume does not trigger the bug no (fortunately), but a clock jump due to NTP sync can cause it (specifically, shepherd will consume CPU time proportional to the drift). Ludo=E2=80=99.
bug-guix@HIDDEN:bug#72166; Package guix.
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Date: Thu, 22 Aug 2024 13:52:54 -0400 (EDT)
From: Jonathan Frederickson <jonathan@HIDDEN>
To: =?UTF-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN>
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Subject: Re: bug#72166: Shepherd periodically goes unresponsive on one of my
machines
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Aug 22, 2024 05:35:47 Ludovic Court=C3=A8s <ludo@HIDDEN>:
> Hi,
>=20
> You wrote:
>=20
>> The machine in question does not have a battery-backed RTC, so it
>> loses time when it loses power, but notice the time changes once ntpd
>> starts up.
>=20
> So you=E2=80=99re hitting the Fibers bug described here:
>=20
> =C2=A0 https://issues.guix.gnu.org/70848
>=20
> There is still no fix upstream unfortunately, but I hope we=E2=80=99ll ge=
t there
> in time for Shepherd 1.0.
>=20
> The only workaround so far is to build shepherd against
> =E2=80=98guile-fibers-1.1=E2=80=99, which is what is done in Guix on AArc=
h64 and RISC-V
> since these platforms are likely to be used with single-board computers
> lacking a battery-backed RTC.
>=20
> Thanks,
> Ludo=E2=80=99.
Ah! Yes, that seems likely.
I've also run into what looks like the same thing on a laptop that does hav=
e an RTC, but it also has an NTP daemon running on it. (I have also noticed=
that this is most common on that laptop after a suspend/resume cycle, so m=
aybe that's triggering the bug as well?)
I'll check to see if I've recently had an NTP sync the next time this happe=
ns, because that would be a definitive confirmation that I'm running into t=
hat bug.
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<html>
<head>
<meta name=3D"viewport" content=3D"width=3Ddevice-width, initial-scale=3D=
1.0">
</head>
<body>
<div class=3D"fairemail_quote">
<div dir=3D"ltr">
<p>Aug 22, 2024 05:35:47 Ludovic Court=C3=A8s <ludo@HIDDEN>:</p>
</div>
<blockquote style=3D"margin:0;border-left:3px solid #ccc; padding-left:1=
0px;">
<div>
Hi,=20
<br>
<br>
You wrote:=20
<br>
<br>
<blockquote style=3D"margin:0;border-left:3px solid #ccc; padding-left=
:10px;">
The machine in question does not have a battery-backed RTC, so it=20
<br>
loses time when it loses power, but notice the time changes once ntp=
d=20
<br>
starts up.=20
<br>
</blockquote>
<br>
So you=E2=80=99re hitting the Fibers bug described here:=20
<br>
<br>
https://issues.guix.gnu.org/70848=20
<br>
<br>
There is still no fix upstream unfortunately, but I hope we=E2=80=99l=
l get there=20
<br>
in time for Shepherd 1.0.=20
<br>
<br>
The only workaround so far is to build shepherd against=20
<br>
=E2=80=98guile-fibers-1.1=E2=80=99, which is what is done in Guix on =
AArch64 and RISC-V=20
<br>
since these platforms are likely to be used with single-board compute=
rs=20
<br>
lacking a battery-backed RTC.=20
<br>
<br>
Thanks,=20
<br>
Ludo=E2=80=99.=20
<br>
</div>
</blockquote>
</div><span dir=3D"ltr" style=3D"margin-top:0; margin-bottom:0;">Ah! Yes,=
that seems likely.</span>
<br>
<br><span dir=3D"ltr" style=3D"margin-top:0; margin-bottom:0;">I've also =
run into what looks like the same thing on a laptop that does have an RTC, =
but it also has an NTP daemon running on it. (I have also noticed that this=
is most common on that laptop after a suspend/resume cycle, so maybe that'=
s triggering the bug as well?)</span>
<br>
<br><span dir=3D"ltr" style=3D"margin-top:0; margin-bottom:0;">I'll check=
to see if I've recently had an NTP sync the next time this happens, becaus=
e that would be a definitive confirmation that I'm running into that bug.</=
span>
<br>
</body>
</html>
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bug-guix@HIDDEN:bug#72166; Package guix.
Full text available.Received: (at 72166) by debbugs.gnu.org; 22 Aug 2024 09:38:49 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Aug 22 05:38:49 2024 Received: from localhost ([127.0.0.1]:36733 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1sh4HJ-0003yB-5d for submit <at> debbugs.gnu.org; Thu, 22 Aug 2024 05:38:49 -0400 Received: from eggs.gnu.org ([209.51.188.92]:45172) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <ludo@HIDDEN>) id 1sh4HF-0003xt-UU for 72166 <at> debbugs.gnu.org; Thu, 22 Aug 2024 05:38:47 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <ludo@HIDDEN>) id 1sh4EK-0008SQ-Ta; Thu, 22 Aug 2024 05:35:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:Date:References:In-Reply-To:Subject:To: From; bh=auYJ0ke8JTDXan3Z9VimM9dKbRTbkSIUKv97C5JA7MM=; b=SKTdeiC1kRv1I3pvCQVO TZBf8AshjieVgKgVu8Qzm3XU854r70VzhdTmJP16X+ksZJwMyliLD9wW/hsGy+hRpqIdgUkw9D++v 1JYJVa00O05lA/mOF6AC1i+pWBD6qx8Zxmnn7zGg83IMDG3D69EZ7TspDWA5rbfdjoTkgvMtyu3R8 BCEi+QCa42kAQU0q1aUPxCsjiRIMTCJ0qq4QgsWlDSv/5qTHmqsWsy+UNRAgMC1XmLlq2i1spdJqe NIyAcUf+YXYSDvOiSK9vKra9re9c9yphDwoYiFrrvxhxKZ5YBHehneXoDS3yZgMIXqcQYMy7zEAWp +8TgWh9M4S/hzA==; From: =?utf-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN> To: Jonathan Frederickson <jonathan@HIDDEN> Subject: Re: bug#72166: Shepherd periodically goes unresponsive on one of my machines In-Reply-To: <b86349b4-4c6f-4fef-b29b-95db86065a85@HIDDEN> (Jonathan Frederickson's message of "Tue, 20 Aug 2024 09:53:21 -0400 (EDT)") References: <df6e8894-fd84-446f-a67f-50cdcc9de5b3@HIDDEN> <878qxxtmwu.fsf@HIDDEN> <7974c622-e7d8-48b3-9948-14e8d7654793@HIDDEN> <87zfq9kiei.fsf@HIDDEN> <5477099d-fbc5-4acd-8320-f88ed3107de7@HIDDEN> <877ccg78gy.fsf@HIDDEN> <b559c5a9-1c87-43f7-a294-b5248e117b2d@HIDDEN> <eec39e18-8a2b-440f-ad97-4779e56362af@HIDDEN> <8734mztl9u.fsf@HIDDEN> <b86349b4-4c6f-4fef-b29b-95db86065a85@HIDDEN> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: Sextidi 6 Fructidor an 232 de la =?utf-8?Q?R=C3=A9vo?= =?utf-8?Q?lution=2C?= jour de la =?utf-8?Q?Tub=C3=A9reuse?= X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Thu, 22 Aug 2024 11:35:15 +0200 Message-ID: <87zfp4nbn0.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 72166 Cc: 72166 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) Hi, You wrote: > The machine in question does not have a battery-backed RTC, so it > loses time when it loses power, but notice the time changes once ntpd > starts up. So you=E2=80=99re hitting the Fibers bug described here: https://issues.guix.gnu.org/70848 There is still no fix upstream unfortunately, but I hope we=E2=80=99ll get = there in time for Shepherd 1.0. The only workaround so far is to build shepherd against =E2=80=98guile-fibers-1.1=E2=80=99, which is what is done in Guix on AArch6= 4 and RISC-V since these platforms are likely to be used with single-board computers lacking a battery-backed RTC. Thanks, Ludo=E2=80=99.
bug-guix@HIDDEN:bug#72166; Package guix.
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Mon, 19 Aug 2024 16:02:15 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface MIME-Version: 1.0 Date: Mon, 19 Aug 2024 16:01:55 -0400 From: "Jonathan Frederickson" <jonathan@HIDDEN> To: =?UTF-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN> Message-Id: <8f52c269-dea8-4856-aa6e-740d99cc72e6@HIDDEN> In-Reply-To: <b559c5a9-1c87-43f7-a294-b5248e117b2d@HIDDEN> References: <df6e8894-fd84-446f-a67f-50cdcc9de5b3@HIDDEN> <878qxxtmwu.fsf@HIDDEN> <7974c622-e7d8-48b3-9948-14e8d7654793@HIDDEN> <87zfq9kiei.fsf@HIDDEN> <5477099d-fbc5-4acd-8320-f88ed3107de7@HIDDEN> <877ccg78gy.fsf@HIDDEN> <b559c5a9-1c87-43f7-a294-b5248e117b2d@HIDDEN> Subject: Re: bug#72166: Shepherd periodically goes unresponsive on one of my machines Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 72166 Cc: 72166 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.7 (-) No news yet on reproduction, but I did spot something else interesting when running 'guix home switch-generation' on one of my other machines that's been having similar issues: > SLoading /gnu/store/b7sbff937mm32lwv1a0dbh4mqhwkvpfn-shepherd.conf. > herd: error: exception caught while executing 'load' on service 'root': > In procedure fport_write: Input/output error > Comparing /gnu/store/69shsgavrzkb408hvrfi4yjs26z7n112-home/profile/share/fonts and > /gnu/store/dn7kk3d6hhmgjm89y2p3mrlwz0dgkzpy-home/profile/share/fonts... done (same) > Evaluating on-change gexps. > > On-change gexps evaluation finished. This is another machine whose user shepherd instance is currently in this unresponsive state.
bug-guix@HIDDEN:bug#72166; Package guix.
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Subject: Re: bug#72166: Shepherd periodically goes unresponsive on one of my
machines
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On Fri, Aug 16, 2024, at 12:12 PM, Ludovic Court=C3=A8s wrote:
> Could you share (maybe privately) the relevant excerpt of
> /var/log/messages?
>=20
> Could you also share (ideally) a minimum Guix System config and a
> sequence of commands to reproduce it?
>=20
> Are you able to reproduce it in =E2=80=98guix system vm=E2=80=99?
I'll send some logs to you privately; I don't actually see any logs that=
look relevant in /var/log/messages but maybe you'll spot something I ha=
ven't.
I'll try to come up with a reproduction and a minimal system config to r=
eproduce the issue, though I will say that I haven't yet tracked down th=
e exact situation that triggers it.
(Perhaps notably, both this machine running Guix System and another mach=
ine running Guix Home on a foreign distro where I've experienced the sam=
e issue are running Sway, and I think swaylock may be related somehow.)
I'll also try reproducing it with 'guix system vm' if I can, though that=
may be challenging as this machine only has 4 GB of RAM.
--95c41e12620f4db096e01778165e6242
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: quoted-printable
<!DOCTYPE html><html><head><title></title><style type=3D"text/css">p.Mso=
Normal,p.MsoNoSpacing{margin:0}</style></head><body><div>On Fri, Aug 16,=
2024, at 12:12 PM, Ludovic Court=C3=A8s wrote:<br></div><blockquote typ=
e=3D"cite" id=3D"qt" style=3D""><div>Could you share (maybe privately) t=
he relevant excerpt of<br></div><div>/var/log/messages?<br></div><div><b=
r></div><div>Could you also share (ideally) a minimum Guix System config=
and a<br></div><div>sequence of commands to reproduce it?<br></div><div=
><br></div><div>Are you able to reproduce it in =E2=80=98guix system vm=E2=
=80=99?<br></div></blockquote><div><br></div><div>I'll send some logs to=
you privately; I don't actually see any logs that look relevant in /var=
/log/messages but maybe you'll spot something I haven't.<br></div><div><=
br></div><div>I'll try to come up with a reproduction and a minimal syst=
em config to reproduce the issue, though I will say that I haven't yet t=
racked down the exact situation that triggers it.<br></div><div><br></di=
v><div>(Perhaps notably, both this machine running Guix System and anoth=
er machine running Guix Home on a foreign distro where I've experienced =
the same issue are running Sway, and I think swaylock may be related som=
ehow.)<br></div><div><br></div><div>I'll also try reproducing it with 'g=
uix system vm' if I can, though that may be challenging as this machine =
only has 4 GB of RAM.<br></div></body></html>
--95c41e12620f4db096e01778165e6242--
bug-guix@HIDDEN:bug#72166; Package guix.
Full text available.Received: (at 72166) by debbugs.gnu.org; 16 Aug 2024 16:13:01 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Aug 16 12:13:01 2024 Received: from localhost ([127.0.0.1]:52749 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1sezZV-00085E-8D for submit <at> debbugs.gnu.org; Fri, 16 Aug 2024 12:13:01 -0400 Received: from eggs.gnu.org ([209.51.188.92]:47998) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <ludo@HIDDEN>) id 1sezZT-00084x-DE for 72166 <at> debbugs.gnu.org; Fri, 16 Aug 2024 12:13:00 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <ludo@HIDDEN>) id 1sezYl-0007Bf-L5; Fri, 16 Aug 2024 12:12:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:Date:References:In-Reply-To:Subject:To: From; bh=jJ1IM6SsD0D2uKp02IJ5/Z79mDDw0febsqAApVOMXRk=; b=mdD1BEMOgIFchhYjXSCJ 9GyoEF2AV74T7xtiVqCYdcSssSwsY35GusQXB3D3bOQ1EtI8PKXXPYdBf+UKG5RPCCS/oFUVDnfIy eGwO98iHD+kAxVNRKYjiOAaah2dsS+1beZ2eDjjtevKD9yPCAjeucMCuB47Xj/priHWUGneVN6C2i CFvOurp3bnNFGZ3msxsurwKyqcGbewWwylCPz/xgaCPUWGAWR9kBLms73L/gRSF8zoj95uyjbaMQX xP1gCLwvcU+BWMw1KSP3OTZRwDQQe8EDMCIgpGowkMw/H6kVtHpIMHqCYM0NYn0yYO/rDt2tETIW6 BOtHYWJXlfC5MQ==; From: =?utf-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN> To: "Jonathan Frederickson" <jonathan@HIDDEN> Subject: Re: bug#72166: Shepherd periodically goes unresponsive on one of my machines In-Reply-To: <5477099d-fbc5-4acd-8320-f88ed3107de7@HIDDEN> (Jonathan Frederickson's message of "Wed, 24 Jul 2024 20:08:38 -0400") References: <df6e8894-fd84-446f-a67f-50cdcc9de5b3@HIDDEN> <878qxxtmwu.fsf@HIDDEN> <7974c622-e7d8-48b3-9948-14e8d7654793@HIDDEN> <87zfq9kiei.fsf@HIDDEN> <5477099d-fbc5-4acd-8320-f88ed3107de7@HIDDEN> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: =?utf-8?Q?D=C3=A9cadi?= 30 Thermidor an 232 de la =?utf-8?Q?R=C3=A9volution=2C?= jour du Moulin X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Fri, 16 Aug 2024 18:12:13 +0200 Message-ID: <877ccg78gy.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 72166 Cc: 72166 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) Hi, "Jonathan Frederickson" <jonathan@HIDDEN> skribis: > I've gotten this machine upgraded to 0.10.5 and just experienced the same= thing again: Argh. > jfred@terracard ~$ ps aux | grep swaylo > jfred 544 0.0 0.0 3700 2432 ? S 19:02 0:00 swayidle= -w timeout 300 swaylock -f -i ~/.wallpapers/user-manual.jpg timeout 10 if = pgrep swaylock; then swaymsg "output * dpms off"; fi resume swaymsg "output= * dpms on" before-sleep swaylock -f -i ~/.wallpapers/user-manual.jpg > jfred 1956 0.0 0.0 0 0 ? Z 19:22 0:00 [swayloc= k] <defunct> > jfred 1957 0.0 0.0 0 0 ? Zs 19:22 0:00 [swayloc= k] <defunct> > jfred 2162 0.0 0.0 0 0 ? Z 19:38 0:00 [swayloc= k] <defunct> > jfred 2163 0.0 0.0 0 0 ? Zs 19:38 0:00 [swayloc= k] <defunct> > jfred 2604 0.0 0.0 6116 2432 pts/2 S+ 20:04 0:00 grep --c= olor=3Dauto swaylo > jfred@terracard ~$ cat /proc/1/cmdline=20 > /gnu/store/bhynhk0c6ssq3fqqc59fvhxjzwywsjbb-guile-3.0.9/bin/guile--no-aut= o-compile/gnu/store/wrmyav254ydjn9cad3q169fxg7x6p80b-shepherd-0.10.5/bin/sh= epherd--config/gnu/store/sfjww12mipyx4zxa6i9x8nxxfyb7h3y4-shepherd.conf > > Of note, I haven't run 'guix system reconfigure' or any manual 'herd' com= mands on this machine since boot. Could you share (maybe privately) the relevant excerpt of /var/log/messages? Could you also share (ideally) a minimum Guix System config and a sequence of commands to reproduce it? Are you able to reproduce it in =E2=80=98guix system vm=E2=80=99? Thanks, Ludo=E2=80=99.
bug-guix@HIDDEN:bug#72166; Package guix.
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Wed, 24 Jul 2024 20:08:59 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.11.0-alpha0-582-g5a02f8850-fm-20240719.002-g5a02f885 MIME-Version: 1.0 Message-Id: <5477099d-fbc5-4acd-8320-f88ed3107de7@HIDDEN> In-Reply-To: <87zfq9kiei.fsf@HIDDEN> References: <df6e8894-fd84-446f-a67f-50cdcc9de5b3@HIDDEN> <878qxxtmwu.fsf@HIDDEN> <7974c622-e7d8-48b3-9948-14e8d7654793@HIDDEN> <87zfq9kiei.fsf@HIDDEN> Date: Wed, 24 Jul 2024 20:08:38 -0400 From: "Jonathan Frederickson" <jonathan@HIDDEN> To: =?UTF-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN> Subject: Re: bug#72166: Shepherd periodically goes unresponsive on one of my machines Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 72166 Cc: 72166 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.7 (-) On Mon, Jul 22, 2024, at 3:14 AM, Ludovic Court=C3=A8s wrote: > Hi, >=20 > "Jonathan Frederickson" <jonathan@HIDDEN> skribis: >=20 > > Hi Ludo, thanks for the troubleshooting help. Looks like I'm running= 0.10.4: > > > > jfred@terracard ~$ cat /proc/1/cmdline | xargs -0 > > /gnu/store/bhynhk0c6ssq3fqqc59fvhxjzwywsjbb-guile-3.0.9/bin/guile --= no-auto-compile /gnu/store/39li5qpiaj1lx89xgahlbgvfnjhpcpwg-shepherd-0.1= 0.4/bin/shepherd --config /gnu/store/hfyri6ygfdjq4w3nkha2ypa2k98hhfxj-sh= epherd.conf > > > > I see now that 0.10.5 was released a few weeks ago, does that have a= fix that could be related? >=20 > Yes, it could be related. Per the =E2=80=98NEWS=E2=80=99 file of Shep= herd: >=20 > ** =E2=80=98herd unload root SERVICE=E2=80=99 no longer hands when t= here=E2=80=99s a replacement > (<https://issues.guix.gnu.org/71478>) >=20 > It used to be that, for a running service S that has a replacement r= egistered, > =E2=80=98herd unload root S=E2=80=99 would hang shepherd, making it = totally unresponsive=E2=80=94=E2=80=98herd > status=E2=80=99, =E2=80=98halt=E2=80=99, etc. would hang forever, an= d inetd-style services would no > longer start, etc. This is now fixed. >=20 > Depending on previous =E2=80=98guix system reconfigure=E2=80=99 invoca= tions on these > machines, it=E2=80=99s possible that you ended up in this state. >=20 > Would be great if you could upgrade and see if the problem still occur= s. >=20 > Thanks, > Ludo=E2=80=99. I've gotten this machine upgraded to 0.10.5 and just experienced the sam= e thing again: jfred@terracard ~$ ps aux | grep swaylo jfred 544 0.0 0.0 3700 2432 ? S 19:02 0:00 swayidl= e -w timeout 300 swaylock -f -i ~/.wallpapers/user-manual.jpg timeout 10= if pgrep swaylock; then swaymsg "output * dpms off"; fi resume swaymsg = "output * dpms on" before-sleep swaylock -f -i ~/.wallpapers/user-manual= .jpg jfred 1956 0.0 0.0 0 0 ? Z 19:22 0:00 [swaylo= ck] <defunct> jfred 1957 0.0 0.0 0 0 ? Zs 19:22 0:00 [swaylo= ck] <defunct> jfred 2162 0.0 0.0 0 0 ? Z 19:38 0:00 [swaylo= ck] <defunct> jfred 2163 0.0 0.0 0 0 ? Zs 19:38 0:00 [swaylo= ck] <defunct> jfred 2604 0.0 0.0 6116 2432 pts/2 S+ 20:04 0:00 grep --= color=3Dauto swaylo jfred@terracard ~$ cat /proc/1/cmdline=20 /gnu/store/bhynhk0c6ssq3fqqc59fvhxjzwywsjbb-guile-3.0.9/bin/guile--no-au= to-compile/gnu/store/wrmyav254ydjn9cad3q169fxg7x6p80b-shepherd-0.10.5/bi= n/shepherd--config/gnu/store/sfjww12mipyx4zxa6i9x8nxxfyb7h3y4-shepherd.c= onf Of note, I haven't run 'guix system reconfigure' or any manual 'herd' co= mmands on this machine since boot.
bug-guix@HIDDEN:bug#72166; Package guix.
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From: =?utf-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN>
To: "Jonathan Frederickson" <jonathan@HIDDEN>
Subject: Re: bug#72166: Shepherd periodically goes unresponsive on one of my
machines
In-Reply-To: <7974c622-e7d8-48b3-9948-14e8d7654793@HIDDEN> (Jonathan
Frederickson's message of "Fri, 19 Jul 2024 12:25:37 -0400")
References: <df6e8894-fd84-446f-a67f-50cdcc9de5b3@HIDDEN>
<878qxxtmwu.fsf@HIDDEN>
<7974c622-e7d8-48b3-9948-14e8d7654793@HIDDEN>
Date: Mon, 22 Jul 2024 09:14:29 +0200
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Hi,
"Jonathan Frederickson" <jonathan@HIDDEN> skribis:
> Hi Ludo, thanks for the troubleshooting help. Looks like I'm running 0.10=
.4:
>
> jfred@terracard ~$ cat /proc/1/cmdline | xargs -0
> /gnu/store/bhynhk0c6ssq3fqqc59fvhxjzwywsjbb-guile-3.0.9/bin/guile --no-au=
to-compile /gnu/store/39li5qpiaj1lx89xgahlbgvfnjhpcpwg-shepherd-0.10.4/bin/=
shepherd --config /gnu/store/hfyri6ygfdjq4w3nkha2ypa2k98hhfxj-shepherd.conf
>
> I see now that 0.10.5 was released a few weeks ago, does that have a fix =
that could be related?
Yes, it could be related. Per the =E2=80=98NEWS=E2=80=99 file of Shepherd:
** =E2=80=98herd unload root SERVICE=E2=80=99 no longer hands when there=
=E2=80=99s a replacement
(<https://issues.guix.gnu.org/71478>)
It used to be that, for a running service S that has a replacement regist=
ered,
=E2=80=98herd unload root S=E2=80=99 would hang shepherd, making it total=
ly unresponsive=E2=80=94=E2=80=98herd
status=E2=80=99, =E2=80=98halt=E2=80=99, etc. would hang forever, and ine=
td-style services would no
longer start, etc. This is now fixed.
Depending on previous =E2=80=98guix system reconfigure=E2=80=99 invocations=
on these
machines, it=E2=80=99s possible that you ended up in this state.
Would be great if you could upgrade and see if the problem still occurs.
Thanks,
Ludo=E2=80=99.
bug-guix@HIDDEN:bug#72166; Package guix.
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Fri, 19 Jul 2024 12:25:57 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.11.0-alpha0-568-g843fbadbe-fm-20240701.003-g843fbadb MIME-Version: 1.0 Message-Id: <7974c622-e7d8-48b3-9948-14e8d7654793@HIDDEN> In-Reply-To: <878qxxtmwu.fsf@HIDDEN> References: <df6e8894-fd84-446f-a67f-50cdcc9de5b3@HIDDEN> <878qxxtmwu.fsf@HIDDEN> Date: Fri, 19 Jul 2024 12:25:37 -0400 From: "Jonathan Frederickson" <jonathan@HIDDEN> To: =?UTF-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN> Subject: Re: bug#72166: Shepherd periodically goes unresponsive on one of my machines Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 72166 Cc: 72166 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.7 (-) On Fri, Jul 19, 2024, at 11:35 AM, Ludovic Court=C3=A8s wrote: > Hi Jonathan, >=20 > "Jonathan Frederickson" <jonathan@HIDDEN> skribis: >=20 > > I've been running into an issue with Shepherd on one of my machines.= Every so often (and I haven't figured out what conditions trigger it), = my Shepherd instances (both home and PID 1) will go unresponsive. I thou= ght I had tracked it down to a misbehaving home service that I had confi= gured, but it's just happened again without that service running. > > > > 'herd status' hangs indefinitely: > > > > jfred@terracard ~$ sudo herd status > > Password:=20 > > <never returns> > > > > ...on both instances: > > > > jfred@terracard ~$ herd status > > <never returns> >=20 > Ouch. What version of shepherd is running? (You can view it with > =E2=80=9Ccat /proc/1/cmdline | xargs -0=E2=80=9D.) >=20 > > The PID 1 shepherd instance isn't reaping defunct processes: > > > > jfred@terracard ~$ ps aux | grep -i lock > > jfred 541 0.0 0.0 3700 2304 ? S 18:30 0:00 swa= yidle -w timeout 300 swaylock -f -i ~/.wallpapers/user-manual.jpg timeou= t 10 if pgrep swaylock; then swaymsg "output * dpms off"; fi resume sway= msg "output * dpms on" before-sleep swaylock -f -i ~/.wallpapers/user-ma= nual.jpg > > jfred 3111 0.0 0.0 0 0 ? Z 18:53 0:00 [sw= aylock] <defunct> > > jfred 3112 0.0 0.0 0 0 ? Zs 18:53 0:00 [sw= aylock] <defunct> > > > > Some further troubleshooting... strace indicates that it's waiting o= n a read() on its fd 9: >=20 > Interesting. There were bugs in earlier 0.10.x version that could cau= se > this sort of thing; let=E2=80=99s see what version you have, first. >=20 > Ludo=E2=80=99. >=20 Hi Ludo, thanks for the troubleshooting help. Looks like I'm running 0.1= 0.4: jfred@terracard ~$ cat /proc/1/cmdline | xargs -0 /gnu/store/bhynhk0c6ssq3fqqc59fvhxjzwywsjbb-guile-3.0.9/bin/guile --no-a= uto-compile /gnu/store/39li5qpiaj1lx89xgahlbgvfnjhpcpwg-shepherd-0.10.4/= bin/shepherd --config /gnu/store/hfyri6ygfdjq4w3nkha2ypa2k98hhfxj-shephe= rd.conf I see now that 0.10.5 was released a few weeks ago, does that have a fix= that could be related?
bug-guix@HIDDEN:bug#72166; Package guix.
Full text available.Received: (at 72166) by debbugs.gnu.org; 19 Jul 2024 15:36:12 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Jul 19 11:36:11 2024 Received: from localhost ([127.0.0.1]:50213 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1sUpeV-0001fH-J4 for submit <at> debbugs.gnu.org; Fri, 19 Jul 2024 11:36:11 -0400 Received: from hera.aquilenet.fr ([185.233.100.1]:60734) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <ludo@HIDDEN>) id 1sUpeQ-0001ej-3y for 72166 <at> debbugs.gnu.org; Fri, 19 Jul 2024 11:36:10 -0400 Received: from localhost (localhost [127.0.0.1]) by hera.aquilenet.fr (Postfix) with ESMTP id A8B301F24; Fri, 19 Jul 2024 17:35:30 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at hera.aquilenet.fr Received: from hera.aquilenet.fr ([127.0.0.1]) by localhost (hera.aquilenet.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wa4uM9Ge4WZP; Fri, 19 Jul 2024 17:35:30 +0200 (CEST) Received: from ribbon (91-160-117-201.subs.proxad.net [91.160.117.201]) by hera.aquilenet.fr (Postfix) with ESMTPSA id 1FAE21EE6; Fri, 19 Jul 2024 17:35:30 +0200 (CEST) From: =?utf-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN> To: "Jonathan Frederickson" <jonathan@HIDDEN> Subject: Re: bug#72166: Shepherd periodically goes unresponsive on one of my machines In-Reply-To: <df6e8894-fd84-446f-a67f-50cdcc9de5b3@HIDDEN> (Jonathan Frederickson's message of "Wed, 17 Jul 2024 20:43:15 -0400") References: <df6e8894-fd84-446f-a67f-50cdcc9de5b3@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Date: Fri, 19 Jul 2024 17:35:29 +0200 Message-ID: <878qxxtmwu.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: 1.0 (+) X-Debbugs-Envelope-To: 72166 Cc: 72166 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -0.0 (/) Hi Jonathan, "Jonathan Frederickson" <jonathan@HIDDEN> skribis: > I've been running into an issue with Shepherd on one of my machines. Ever= y so often (and I haven't figured out what conditions trigger it), my Sheph= erd instances (both home and PID 1) will go unresponsive. I thought I had t= racked it down to a misbehaving home service that I had configured, but it'= s just happened again without that service running. > > 'herd status' hangs indefinitely: > > jfred@terracard ~$ sudo herd status > Password:=20 > <never returns> > > ...on both instances: > > jfred@terracard ~$ herd status > <never returns> Ouch. What version of shepherd is running? (You can view it with =E2=80=9Ccat /proc/1/cmdline | xargs -0=E2=80=9D.) > The PID 1 shepherd instance isn't reaping defunct processes: > > jfred@terracard ~$ ps aux | grep -i lock > jfred 541 0.0 0.0 3700 2304 ? S 18:30 0:00 swayidle= -w timeout 300 swaylock -f -i ~/.wallpapers/user-manual.jpg timeout 10 if = pgrep swaylock; then swaymsg "output * dpms off"; fi resume swaymsg "output= * dpms on" before-sleep swaylock -f -i ~/.wallpapers/user-manual.jpg > jfred 3111 0.0 0.0 0 0 ? Z 18:53 0:00 [swayloc= k] <defunct> > jfred 3112 0.0 0.0 0 0 ? Zs 18:53 0:00 [swayloc= k] <defunct> > > Some further troubleshooting... strace indicates that it's waiting on a r= ead() on its fd 9: Interesting. There were bugs in earlier 0.10.x version that could cause this sort of thing; let=E2=80=99s see what version you have, first. Ludo=E2=80=99.
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Subject: Shepherd periodically goes unresponsive on one of my machines
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I've been running into an issue with Shepherd on one of my machines. Every so often (and I haven't figured out what conditions trigger it), my Shepherd instances (both home and PID 1) will go unresponsive. I thought I had tracked it down to a misbehaving home service that I had configured, but it's just happened again without that service running.
'herd status' hangs indefinitely:
jfred@terracard ~$ sudo herd status
Password:
<never returns>
...on both instances:
jfred@terracard ~$ herd status
<never returns>
The PID 1 shepherd instance isn't reaping defunct processes:
jfred@terracard ~$ ps aux | grep -i lock
jfred 541 0.0 0.0 3700 2304 ? S 18:30 0:00 swayidle -w timeout 300 swaylock -f -i ~/.wallpapers/user-manual.jpg timeout 10 if pgrep swaylock; then swaymsg "output * dpms off"; fi resume swaymsg "output * dpms on" before-sleep swaylock -f -i ~/.wallpapers/user-manual.jpg
jfred 3111 0.0 0.0 0 0 ? Z 18:53 0:00 [swaylock] <defunct>
jfred 3112 0.0 0.0 0 0 ? Zs 18:53 0:00 [swaylock] <defunct>
Some further troubleshooting... strace indicates that it's waiting on a read() on its fd 9:
jfred@terracard ~ [env]$ sudo strace -fp 1
Password:
strace: Process 1 attached with 5 threads
[pid 144] read(9, <unfinished ...>
[pid 142] futex(0x7fa43892abe8, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 141] futex(0x7fa43892abe8, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 140] futex(0x7fa43892abe8, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, NULL, FUTEX_BITSET_MATCH_ANY^
...which seems to be:
jfred@terracard ~ [env]$ sudo ls -l /proc/1/fd/9
lr-x------ 1 root root 64 Jul 17 20:39 /proc/1/fd/9 -> 'pipe:[4015]'
jfred@terracard ~ [env]$ sudo lsof -n | grep 4015
lsof: WARNING: can't stat() fuse.portal file system /run/user/1000/doc
Output information may be incomplete.
shepherd 1 root 9r FIFO 0,15 0t0 4015 pipe
shepherd 1 root 11w FIFO 0,15 0t0 4015 pipe
shepherd 1 140 GC-marker root 9r FIFO 0,15 0t0 4015 pipe
shepherd 1 140 GC-marker root 11w FIFO 0,15 0t0 4015 pipe
shepherd 1 141 GC-marker root 9r FIFO 0,15 0t0 4015 pipe
shepherd 1 141 GC-marker root 11w FIFO 0,15 0t0 4015 pipe
shepherd 1 142 GC-marker root 9r FIFO 0,15 0t0 4015 pipe
shepherd 1 142 GC-marker root 11w FIFO 0,15 0t0 4015 pipe
shepherd 1 144 shepherd root 9r FIFO 0,15 0t0 4015 pipe
shepherd 1 144 shepherd root 11w FIFO 0,15 0t0 4015 pipe
My system configuration for this machine can be found here, and I last ran a 'guix pull' on June 21: https://github.com/jfrederickson/dotfiles/blob/master/guix/guix/system/machines/terracard/config.scm
Has anyone else run into this?
"Jonathan Frederickson" <jonathan@HIDDEN>:bug-guix@HIDDEN.
Full text available.bug-guix@HIDDEN:bug#72166; Package guix.
Full text available.
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