我在亚马逊 ec2 上的 apache 服务器由于某种原因崩溃了,
[Tue Jun 18 09:28:26.008659 2013] [core:notice] [pid 4806] AH00052: child pid 6226 exit signal Segmentation fault (11)
[Tue Jun 18 09:28:26.008735 2013] [core:notice] [pid 4806] AH00052: child pid 6227 exit signal Segmentation fault (11)
[Tue Jun 18 09:28:26.008752 2013] [core:notice] [pid 4806] AH00052: child pid 6228 exit signal Segmentation fault (11)
[Tue Jun 18 09:28:28.017033 2013] [core:notice] [pid 4806] AH00052: child pid 6151 exit signal Segmentation fault (11)
[Tue Jun 18 09:28:46.035989 2013] [core:notice] [pid 4806] AH00052: child pid 6120 exit signal Segmentation fault (11)
[Tue Jun 18 09:28:47.388781 2013] [mpm_prefork:notice] [pid 4806] AH00169: caught SIGTERM, shutting down
[Tue Jun 18 09:28:51.712473 2013] [ssl:warn] [pid 6276] AH02292: Init: Name-based SSL virtual hosts only work for clients with TLS server name indication support (RFC 4366)
[Tue Jun 18 09:28:51.891491 2013] [ssl:warn] [pid 6277] AH02292: Init: Name-based SSL virtual hosts only work for clients with TLS server name indication support (RFC 4366)
[Tue Jun 18 09:28:51.891584 2013] [lbmethod_heartbeat:notice] [pid 6277] AH02282: No slotmem from mod_heartmonitor
[Tue Jun 18 09:28:51.943536 2013] [mpm_prefork:notice] [pid 6277] AH00163: Apache/2.4.3 (Unix) OpenSSL/1.0.1c PHP/5.4.12 configured -- resuming normal operations
是什么原因造成的,我该怎么办?