Date: Tue, 30 Mar 2021 19:01:01 +0300 From: Christos Chatzaras <chris@cretaforce.gr> To: "Jonathan T. Looney" <jtl@freebsd.org> Cc: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>, "gjb@freebsd.org" <gjb@freebsd.org>, Konstantin Belousov <kib@freebsd.org> Subject: Re: FreeBSD 13.0-RC4 and Nginx process "stuck" during restart Message-ID: <FE63E502-91D3-4F5E-AA0D-0038DE66E764@cretaforce.gr> In-Reply-To: <CADrOrmvXn7BcCU58ojVfM18wUg2raa8X9C=KQUrZrXVHjHE5fg@mail.gmail.com> References: <94CCFC59-B381-40B1-8F85-F86D87A16B53@cretaforce.gr> <CADrOrmvXn7BcCU58ojVfM18wUg2raa8X9C=KQUrZrXVHjHE5fg@mail.gmail.com>
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> On 30 Mar 2021, at 18:40, Jonathan T. Looney <jtl@freebsd.org> wrote: >=20 > Yes, it could be related. Because of the timing of when we first saw = the behavior, I assumed the trigger for the behavior (which remains = unknown) only existed in main. However, it is possible that this = behavior is now being triggered in 13.0. >=20 > Are you able to reliably reproduce this? I was never able to do that. = A reliable reproduction may help narrow down the change which triggered = this behavior. >=20 > I can certainly MFC the patch to stable/13. re@ will need to decide = whether to admit it to the release branch. >=20 > Jonathan Hello Jonathan, I have 100+ nginx servers and I can reproduce it in many of them. It = doesn't happen always in the same servers. Also after a "killlall -9 = nginx && service nginx restart" a second "service nginx restart" few = seconds after the first restart completes successfully. I believe it = needs few minutes/hours running nginx before the restart "stuck" in = "Waiting for PIDS: 85499." Did you notice it with nginx too or something else? I also run monit, = bind, dovecot, postfix, mysql, php-fpm and pure-ftpd and didn't notice = any restart of these services to "stuck".=
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