what on earth is firefox up to? (and httpd, ATS, named...)
On Sunday, 1. July 2012. 15.06.34 Reindl Harald wrote:
> Am 01.07.2012 14:47, schrieb Tom Horsley:
> > They really ought to switch to a new version of NTP
> > protocol that is just like the old one, but works from
> > TAI and sends a database of leap second info around as
> > well so computers can translate TAI into UTC.
>
> in case of a bug whatever new protocol will not help
> this seems more likely to be a kernel bug because
> there were many apps on different machines affected
>
> * BIND
> * MySQL (hardly!)
> * Apache Traffic Server
> * Firefox
> * Thunderbird
> * who knows what else
>
> see also:
> http://bugs.mysql.com/bug.php?id=65778
>
> i recently restarted ALL computers in our production envirnonment
> up to any VMware ESXi Host, SAN-Storage-Controllers (Managment/Storage)
> even up to my Android-Phone for security after woke up and saw tons of
> alarms about high CPU usage on the whole infrastructure caused
> mostly by 15 mysqld instances (and saw the same at home in VMware-Guests
> and host)
>
> yes, my first guess to the mysql-list was that i think it
> has something to do with teh leap-second last night
I've got bitten by this as well.
It was a kernel bug, mishandling the leap second (AFAIU, it left the door open
for some race condition to happen or not happen, and if it happens...). See
http://lkml.indiana.edu/hypermail/linux/kernel/1203.1/04598.html
Of course, the workaround is to reset the date or reboot the machine,
whichever is easier. ;-)
Best, :-)
Marko
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