Red Hat Bugzilla – Bug 22300
bind & syslogd deadlock under high load
Last modified: 2014-03-16 22:17:35 EDT
Speciality: syslogd is configured to receive external messages from
Sometimes (may take a week) under high load named hangs until its restart.
strace -p <named_pid> says:
After disabling of receiving of external messages by syslogd all work
Possible problem: syslog resolves IP to name for external message, but
named is busy by sending message to syslog in that time.
btw, rpm -q bind sysklogd :
This will be fixed in sysklogd-1.4-4, which will be in the next
rawhide release; you will be able to start syslogd with the '-x'
option that disables reverse lookups of incoming messages.