> On 30 Mar 2021, at 16:45, Mark Johnston <ma...@freebsd.org> wrote:
>
> 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?
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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