random latency in named

Tony Finch dot at dotat.at
Fri May 22 09:32:33 UTC 2015

Mathew Ian Eis <Mathew.Eis at nau.edu> wrote:
> * The OS is RHEL 6.6; we just updated the kernel to
> 2.6.32-504.16.2.el6.x86_64, also with no effect.

Is your server using a Haswell CPU? If so it might be the lost futex
wakeup bug discussed at the links below, in which case the problem might
go away if you upgrade to RHEL 6.6.z.


f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/
Viking, North Utsire, South Utsire: Southwesterly 4 or 5, veering westerly
then northwesterly 6 to gale 8. Moderate, becoming rough or very rough. Rain
then showers. Moderate or poor, becoming good.

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