Добрый день!
Как можно узнать, что именно вешает апачь? Ubuntu 16.04 , php 7. Логи Апача - Debug, а результат только такой.
cat /var/log/apache2/error.log | grep dump
[Wed Oct 19 10:00:01.096926 2016] [core:notice] [pid 32211] AH00051: child pid 12682 exit signal Segmentation fault (11), possible coredump in /etc/apache2
[Wed Oct 19 10:01:35.205551 2016] [core:notice] [pid 32211] AH00051: child pid 13642 exit signal Segmentation fault (11), possible coredump in /etc/apache2
[Wed Oct 19 10:01:50.222488 2016] [core:notice] [pid 32211] AH00051: child pid 13673 exit signal Segmentation fault (11), possible coredump in /etc/apache2
[Wed Oct 19 10:34:35.548529 2016] [core:notice] [pid 1221] AH00051: child pid 1228 exit signal Segmentation fault (11), possible coredump in /etc/apache2
[Wed Oct 19 10:36:33.657457 2016] [core:notice] [pid 1221] AH00051: child pid 1572 exit signal Segmentation fault (11), possible coredump in /etc/apache2
[Wed Oct 19 10:36:43.672360 2016] [core:notice] [pid 1221] AH00051: child pid 1604 exit signal Segmentation fault (11), possible coredump in /etc/apache2
cat /var/log/apache2/access.log | grep '10:36:43'
::1 - - [19/Oct/2016:10:36:43 +0300] "OPTIONS * HTTP/1.0" 200 126 "-" "Apache/2.4.18 (Ubuntu) (internal dummy connection)"
В syslog в это время вообще пусто. Происходит во время авторизации на сайте. CMS - Битрикс.