Date: Tue, 30 Mar 2021 09:45:14 -0400 From: Mark Johnston <markj@freebsd.org> To: Christos Chatzaras <chris@cretaforce.gr> 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: <YGMragGCp%2BQKSBre@nuc> In-Reply-To: <94CCFC59-B381-40B1-8F85-F86D87A16B53@cretaforce.gr> References: <94CCFC59-B381-40B1-8F85-F86D87A16B53@cretaforce.gr>
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On Mon, Mar 29, 2021 at 10:57:09PM +0300, Christos Chatzaras wrote: > Hello, > > > I upgrade from 12.2 to 13.0-RC4 and I notice a strange issue with Nginx. > > When I run "service nginx restart" in some (random) servers it doesn't complete the restart and it "stucks" at "Waiting for PIDS: 20536." . > > I can kill the 20536 process and then restart completes. > > > procstat -kk 20536: > > 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 > > > I found this commit: > > https://cgit.freebsd.org/src/commit/?id=dbec10e08808e375365fb2a2462f306e0cdfda32 <https://cgit.freebsd.org/src/commit/?id=dbec10e08808e375365fb2a2462f306e0cdfda32>; > > Could this be related? If yes can we have the patch in releng/13.0 ? I think it is hard to say without some testing. Are you able to verify that backporting the patch fixes the hangs?
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