Do you actually use NCHAN for anything? If you are not actively using nchan, you should consider simply removing `libnginx-mod-nchan`
Note also this is a third party module, so it's not necessarily 'endorsed' by NGINX Upstream per se. Also, Debian is *ancient* with its nginx version and modules, I'd suggest you switch to a more recent Debian version with newer nginx, or use the nginx.org repositories (no third party plugins there though...) Thomas On 8/31/20 11:03 AM, james.anderson wrote: > we observe that after several days in service, where the server is reloaded > several hundred times a day, it eventually stops responding. > > a reload completes, but still all connections time out. > a restart corrects the issue. > > is there a limit to the number of times a server permits a reload before it > is necessary to restart it. > when the problem starts, entries like the following appear in the nginx > error log > > ter process /usr/sbin/nginx -g daemon on; master_process on;: > /build/nginx-5J5hor/nginx-1.18.0/debian/modules/nchan/src/store/memory/memst\ > ore.c:701: nchan_store_init_worker: Assertion `procslot_found == 1' failed. > 2020/08/31 12:07:18 [alert] 1451759#1451759: worker process 1500846 exited > on signal 6 (core dumped) > 2020/08/31 12:07:18 [alert] 1451759#1451759: shared memory zone "memstore" > was locked by 1500846 > > i see no mention of this issue here. but i did note > > https://github.com/slact/nchan/issues/446 > > versions: > root@nl12:~# uname -a > Linux nl12.dydra.com 5.4.0-42-generic #46-Ubuntu SMP Fri Jul 10 00:24:02 UTC > 2020 x86_64 x86_64 x86_64 GNU/Linux > root@nl12:~# which nginx > /usr/sbin/nginx > root@nl12:~# /usr/sbin/nginx -v > nginx version: nginx/1.18.0 (Ubuntu) > > Posted at Nginx Forum: > https://forum.nginx.org/read.php?2,289247,289247#msg-289247 > > _______________________________________________ > nginx mailing list > nginx@nginx.org > http://mailman.nginx.org/mailman/listinfo/nginx >
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