Today the same problem, no data added to /var/log/apache2/access.log, but in /var/log/apache2/error.log I found:
[Fri Mar 29 09:25:39.351071 2019] [core:notice] [pid 2292] AH00051: child pid 11272 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:39.351073 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11272 [Fri Mar 29 09:25:41.353823 2019] [core:notice] [pid 2292] AH00051: child pid 11301 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:41.353869 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11301 [Fri Mar 29 09:25:42.357223 2019] [core:notice] [pid 2292] AH00051: child pid 11303 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:42.357255 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11303 [Fri Mar 29 09:25:42.357285 2019] [core:notice] [pid 2292] AH00051: child pid 11304 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:42.357291 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11304 [Fri Mar 29 09:25:43.364074 2019] [core:notice] [pid 2292] AH00051: child pid 11308 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:43.364104 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11308 [Fri Mar 29 09:25:43.364131 2019] [core:notice] [pid 2292] AH00051: child pid 11309 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:43.364134 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11309 [Fri Mar 29 09:25:43.364146 2019] [core:notice] [pid 2292] AH00051: child pid 11312 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:43.364149 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11312 [Fri Mar 29 09:25:43.364161 2019] [core:notice] [pid 2292] AH00051: child pid 11313 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:43.364164 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11313 [Fri Mar 29 09:25:44.365277 2019] [core:notice] [pid 2292] AH00051: child pid 11316 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:44.365311 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11316 [Fri Mar 29 09:25:44.365332 2019] [core:notice] [pid 2292] AH00051: child pid 11318 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:44.365338 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11318 [Fri Mar 29 09:25:44.365357 2019] [core:notice] [pid 2292] AH00051: child pid 11319 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:44.365363 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11319 [Fri Mar 29 09:25:44.365382 2019] [core:notice] [pid 2292] AH00051: child pid 11321 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:44.365388 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11321 [Fri Mar 29 09:25:44.365408 2019] [core:notice] [pid 2292] AH00051: child pid 11323 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:44.365414 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11323 [Fri Mar 29 09:25:44.365434 2019] [core:notice] [pid 2292] AH00051: child pid 11325 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:44.365439 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11325 [Fri Mar 29 09:25:44.365458 2019] [core:notice] [pid 2292] AH00051: child pid 11327 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:44.365476 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11327 [Fri Mar 29 09:25:44.365506 2019] [core:notice] [pid 2292] AH00051: child pid 11329 exit signal Segmentation fault (11), possible coredump in /etc/apache2 [Fri Mar 29 09:25:44.365511 2019] [core:error] [pid 2292] AH00546: no record of generation 0 of exiting child 11329 I can't find any coredump -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1821293 Title: Sometimes apache2 hang after boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apache2/+bug/1821293/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs