经常性的卡死。怎么办,有人遇到过吗？
错误日志
[Sun Feb 03 18:16:09 2013] [notice] Child 4200: All worker threads have exited.
[Sun Feb 03 18:16:15 2013] [notice] Child 4200: Child process is exiting
[Sun Feb 03 18:18:35 2013] [notice] Parent: Received shutdown signal -- Shutting down the server.
[Sun Feb 03 18:18:35 2013] [notice] Child 4056: Exit event signaled. Child process is ending.
[Sun Feb 03 18:18:36 2013] [notice] Child 4056: Released the start mutex
[Sun Feb 03 18:19:05 2013] [notice] Parent: Forcing termination of child process 1f4
[Sun Feb 03 18:19:18 2013] [notice] Apache/2.2.22 (Win32) PHP/5.2.10 configured -- resuming normal operations
[Sun Feb 03 18:19:18 2013] [notice] Server built: Jan 28 2012 11:16:39
[Sun Feb 03 18:19:18 2013] [notice] Parent: Created child process 5980
[Sun Feb 03 18:19:18 2013] [notice] Disabled use of AcceptEx() WinSock2 API
[Sun Feb 03 18:19:19 2013] [notice] Child 5980: Child process is running
[Sun Feb 03 18:19:19 2013] [notice] Child 5980: Acquired the start mutex.
[Sun Feb 03 18:19:19 2013] [notice] Child 5980: Starting 120 worker threads.
[Sun Feb 03 18:19:19 2013] [notice] Child 5980: Listening on port 80.
[Sun Feb 03 18:23:27 2013] [notice] Child 5980: Process exiting because it reached MaxRequestsPerChild. Signaling the parent to restart a new child process.
[Sun Feb 03 18:23:27 2013] [notice] Parent: Received restart signal -- Restarting the server.
[Sun Feb 03 18:23:28 2013] [notice] Child 5980: Released the start mutex
[Sun Feb 03 18:23:28 2013] [notice] Apache/2.2.22 (Win32) PHP/5.2.10 configured -- resuming normal operations
[Sun Feb 03 18:23:28 2013] [notice] Server built: Jan 28 2012 11:16:39
[Sun Feb 03 18:23:28 2013] [notice] Parent: Created child process 5324
[Sun Feb 03 18:23:28 2013] [notice] Disabled use of AcceptEx() WinSock2 API
[Sun Feb 03 18:23:29 2013] [notice] Child 5324: Child process is running
[Sun Feb 03 18:23:29 2013] [notice] Child 5324: Acquired the start mutex.
[Sun Feb 03 18:23:29 2013] [notice] Child 5324: Starting 120 worker threads.
[Sun Feb 03 18:23:29 2013] [notice] Child 5324: Listening on port 80.
[Sun Feb 03 18:23:34 2013] [notice] Child 5980: All worker threads have exited.
[Sun Feb 03 18:23:39 2013] [notice] Child 5980: Child process is exiting
[Sun Feb 03 18:30:28 2013] [notice] Child 5324: Process exiting because it reached MaxRequestsPerChild. Signaling the parent to restart a new child process.