stephen_agent at jsw
Jul 2, 2012, 11:17 PM
Post #2 of 2
(238 views)
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Re: heads-up: kernel leap second bug affects mythbackend
[In reply to]
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On Tue, 03 Jul 2012 17:49:37 +1200, you wrote:
>Hi there, just a FYI in case others are noticing something similar on
>their systems...
>
>Old news for some I'm sure, but today I noticed mythbackend and mysql
>were running at 300% CPU *each* (8cores) even though they weren't doing
>any recordings or anything. I restarted the services - everything but a
>reboot - nothing got the CPU load down
>
>A strace and a Google search later lead me to the following - it's a
>kernel bug due to the July 1st leap second
>
>https://lkml.org/lkml/2012/7/1/19
>
>I ran
>
>date -s "`date`
>
>and before my eyes the load just dropped away to near nothing. I assume
>a reboot would have worked too.
That might explain the strange things I had happening yesterday - the
MythTV box was responding very sluggishly. I had only 5 minutes
before the next recording so I just rebooted and it all worked again.
But I did not have enough time to try to work out what was wrong
before the reboot.
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