Public bug reported:
Binary package hint: mysql-server
Once in a great while, my system becomes unresponsive to basic commands.
This includes background commands such as anything run under cron and
even syslog. I can still ssh to the machine, however any "system level"
commands fail to run, even reboot. A hard reboot is the only why to
recover. I have narrowed it down to this process which I cannot even
kill with init or kill -9.
mysql 4589 1.3 0.6 134960 26744 ? Sl Aug13 133:16
/usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql
--pid-file=/var/run/mysqld/mysqld.pid --skip-external-locking
--port=3306 --socket=/var/run/mysqld/mysqld.sock
Some of the things that stop running are...
* Postfix will no longer send email.
* Nagios logs will not update.
* Cacti stops polling SNMP queries.
* Cron jobs stop running.
* Syslog stops logging.
* Reboot fails to reboot the machine.
* Init fails to start/restart/stop any binary.
Due to the nature of this "partial" hang, I cannot supply any further
information in part to the fact syslog stops logging.
I am unsure if this is in fact an SQL issue, but so far all signs point
me there.
My system is a Sun Enterprise 420R running Hardy 8.04.4; 4 UltraSparc II
(BlackBird) CPU's; 4GB of RAM; and kernel version 2.6.24-28.73 (pending
a reload to 2.6.24-28.75 via usn-974-1). Any help in figuring out what
happens and why it happens so few, far, and in between is greatly
appreciated.
** Affects: mysql-5.1 (Ubuntu)
Importance: Undecided
Status: New
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mysqld randomly causes system to not respond to commands
https://bugs.launchpad.net/bugs/621509
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