Bug#872036: AH00060: seg fault or similar nasty error detected in the parent process
In case that helps, I just noticed a similar error.
I have a maintenance script that
- modifies a config file to put the application in maintenance mode
- systemctl reload apache2
- performs database maintenance
- sets the old config back
- systemctl reload apache2
When using this on a new installation where the DB is empty, the
maintenance task takes an instant, and the script basically does
systemctl reload apache2; systemctl reload apache2
which is enough to reproduce the crash.
Jeremy Stanley wrote:
This sounds a lot like
https://bugzilla.redhat.com/show_bug.cgi?id=1376835
This bug report reads :
The problem (httpd with worker/event mpm segfaults after multiple
successive graceful reloads) was fixed in 2.4.6-53.el7 (Development
Version)
However, I'm using Debian Stretch's 2.4.25-3+deb9u6 so AFAIU, this
should include the patch.
Unless there is something specific to my configuration, the issue can be
easily reproduced with
systemctl reload apache2; systemctl reload apache2
When adding a sleep of a few hundreds milliseconds in between, the crash
does not happen.
Also worth noting that despite the error message, apache is up and
running at the end of the process, so AFAICT, this is just noise in the
logs.
--
Jérôme
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