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ALERT: oops, unknown child (145) exited with code 0 #8100

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mr-copilot opened this issue Feb 15, 2022 · 2 comments
Closed

ALERT: oops, unknown child (145) exited with code 0 #8100

mr-copilot opened this issue Feb 15, 2022 · 2 comments
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Bug SAPI: fpm

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@mr-copilot
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Description

Description

The following code:

<?php
....
child = fpm_child_find(pid);
...
if (child) {
			struct fpm_worker_pool_s *wp = child->wp;
			....
} else {
			zlog(ZLOG_ALERT, "oops, unknown child (%d) exited %s. Please open a bug report (https://bugs.php.net).", pid, buf);
		}

Resulted in this output:

we have below configuration in php-fpm.conf and pool fpm
process.max = 5

pm = ondemand
pm.max_children = 1000
pm.start_servers = 1
pm.min_spare_servers = 1
pm.max_spare_servers = 2
pm.process_idle_timeout = 10s
pm.max_requests = 500

pm.child_memory = 256
pm.spare_memory = 320

But I expected this output instead:

child = fpm_child_find(pid);
child must be found as we have set configuration accordingly

PHP Version

PHP 7.4.26

Operating System

Ubuntu 16.04.7 LTS (Xenial Xerus)

PHP Version

PHP 7.4.26

Operating System

Ubuntu 16.04.7 LTS
@mr-copilot
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let us know if any other details needed to replicate this at your side

@bukka
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bukka commented Jan 14, 2023

I have created an issue #10315 and PR #10319 that fixes it. This doesn't seem like it is running in container with pid 1 (e.g. Docker) by the report OS so it would be great to hear how FPM was executed in this case. It might be potentially a use case that I didn't count for.

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Bug SAPI: fpm
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4 participants
@bukka @mr-copilot @cmb69 @damianwadley