Date: Tue, 30 Mar 2021 16:48:25 +0300 From: Christos Chatzaras <chris@cretaforce.gr> To: Mark Johnston <markj@freebsd.org> Cc: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>, "gjb@freebsd.org" <gjb@freebsd.org>, "jtl@freebsd.org" <jtl@freebsd.org>, kib@freebsd.org Subject: Re: FreeBSD 13.0-RC4 and Nginx process "stuck" during restart Message-ID: <873C34A0-5516-4832-88B6-F60139FA009A@cretaforce.gr> In-Reply-To: <YGMragGCp%2BQKSBre@nuc> References: <94CCFC59-B381-40B1-8F85-F86D87A16B53@cretaforce.gr> <YGMragGCp%2BQKSBre@nuc>
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> On 30 Mar 2021, at 16:45, Mark Johnston <markj@freebsd.org> wrote: >=20 > On Mon, Mar 29, 2021 at 10:57:09PM +0300, Christos Chatzaras wrote: >> Hello, >>=20 >>=20 >> I upgrade from 12.2 to 13.0-RC4 and I notice a strange issue with = Nginx. >>=20 >> When I run "service nginx restart" in some (random) servers it = doesn't complete the restart and it "stucks" at "Waiting for PIDS: = 20536." . >>=20 >> I can kill the 20536 process and then restart completes. >>=20 >>=20 >> procstat -kk 20536: >>=20 >> PID TID COMM TDNAME KSTACK >> 63094 100505 nginx - mi_switch+0xc1 = sleepq_catch_signals+0x2e6 sleepq_wait_sig+0x9 _sleep+0x1be = kern_sigsuspend+0x164 sys_sigsuspend+0x31 amd64_syscall+0x10c = fast_syscall_common+0xf8=20 >>=20 >>=20 >> I found this commit: >>=20 >> = https://cgit.freebsd.org/src/commit/?id=3Ddbec10e08808e375365fb2a2462f306e= 0cdfda32 = <https://cgit.freebsd.org/src/commit/?id=3Ddbec10e08808e375365fb2a2462f306= e0cdfda32> >>=20 >> Could this be related? If yes can we have the patch in releng/13.0 ? >=20 > I think it is hard to say without some testing. Are you able to = verify > that backporting the patch fixes the hangs? I will use the patch today night, so I can verify it tomorrow morning. If it works do we still have time to land the patch in 13.0?=
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