Shared pool failed to start after restart of webserver. New watchdog process tries to start pool and it seg faults (signal 11). Watch dog process retries 3 more times and gives up. At other times the watchdog process will be successful on the 2nd or 3rd attempt. The watchdog process logs will show the following activity:
<2011-11-22 23:51:04 -0600> pool process 1896616 terminated by signal 11, restarting.
<2011-11-22 23:51:04 -0600> pool process crashing within 5 sec
<2011-11-22 23:51:04 -0600> started proxy 1896618
<2011-11-22 23:51:04 -0600> pool process 1896618 terminated by signal 11, restarting.
<2011-11-22 23:51:04 -0600> pool process crashing within 5 sec
<2011-11-22 23:51:04 -0600> started proxy 1896620
<2011-11-22 23:51:04 -0600> pool process 1896620 terminated by signal 11, restarting.
<2011-11-22 23:51:04 -0600> pool process crashing within 5 sec
<2011-11-22 23:51:04 -0600> started proxy 1896622
<2011-11-22 23:51:08 -0600> pool process 1896622 terminated by signal 11, restarting.
<2011-11-22 23:51:08 -0600> pool process crashing within 5 sec
<2011-11-22 23:51:08 -0600> pool process exiting too rapidly, something is wrong, giving up
The agent logs will contain the following error:
2011-11-23 10:16:30 -0600 - [2571] - <Critical> - Critical error: UNKNOWN_AUTH_RETVAL