calcru: time went backwards

[Larry Rosenman]

On Tue, 15 Apr 2008, Jeremy Chadwick wrote:

> On Tue, Apr 15, 2008 at 10:11:38AM -0400, Scott Robbins wrote:
>> On Tue, Apr 15, 2008 at 07:59:40AM -0500, Larry Rosenman wrote:
>>> I thought this was gone, but on a kernel from Saturday I'm seeing a bunch of
>>> these:
>>
>> This one is covered in the FAQ in the troubleshooting section, 5.19.
>
> And what the FAQ doesn't cover is here:
>
> http://wiki.freebsd.org/JeremyChadwick/Commonly_reported_issues
>
> * EIST (Intel SpeedStep) incompatibilities with Supermicro PDSMI+ motherboards (and possibly others)
>    * Symptom: kernel outputs messages like kernel: calcru: negative runtime of -XXXXX usec for pid XX
>    * Workaround: Disable the EIST feature in the BIOS. You can still achieve ACPI-based processor
>      frequency throttling by using powerd(8).
>    * Reference: http://lists.freebsd.org/pipermail/freebsd-questions/2006-October/133253.html
>
>
What I find interesting is I hadn't seen these until this kernel update :(

Thanks for the info, however.

-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 512-248-2683                 E-Mail: ler at lerctr.org
US Mail: 430 Valona Loop, Round Rock, TX 78681-3893