Solaris 10 crontab: queue limit reached

Symptoms:

cronjobs do not run at the scheduled time.

Error messages:

cat /var/cron/log

    ! c queue max run limit reached Thu Apr 19 10:20:00 2012

    ! rescheduling a cron job Thu Apr 19 10:20:00 2012

    ! c queue max run limit reached Thu Apr 19 10:20:00 2012

    ! rescheduling a cron job Thu Apr 19 10:20:00 2012

The problem:

        queue max limit reached

To solve:

1.

   Find the hanging child cronjobs and kill them:

     >ps -ef | grep cron
        root 18619     1   0 16:30:34 ?           0:00 /usr/sbin/cron

     >ptree 18619

      
    Then kill the hanging cronjobs.

 2.

    restart the cron service

     >svcadm restart svc:/system/cron

 3.

   raise the limit

    >vi /etc/cron.d/queuedefs

    for more information read the man page of the queuedefs