On Wed, Dec 31, 2014 at 10:50 AM, DeKay <[email protected]> wrote:
> Thanks Robert.
>
> I think I have some good news with respect to the problem I was having with
> the TP-Link TL-WN722N locking up.  Yesterday morning I set the cpu governor
> to "performance" and the connection has been solid ever since (unless you
> count the five power outages we had at our house yesterday).  Unfortunately
> this didn't fix the problem with the ZD1211 based stick - it would still
> report DUP packets and it then lost its connection after less than an hour.
> I'm sticking with the TP-Link going forward.
>
> So, for future reference, here is a cut and paste from another post on this
> board.
>
> Edit /etc/default/cpufrequtils (you might need to create it if it doesn’t
> exist). Specify the governor with the GOVERNOR variable:
>
> nano /etc/default/cpufrequtils to contain the line
> GOVERNOR="performance"
>
> I'm going to update my blog post with this info.  I would also suggest that
> this be made the default in your future images: I'm not the only person that
> has seen weird behavior with the default of "ondemand".

I forget what the actual power draw numbers are, but we set default so
to "ondemand" such that powering by usb works..  If you have 5volt
power, feel free to force performance mode.

I haven't looked into it fully, but the pmic knows what mode we are in
(usb or 5volt), thus we should be able to determine that and use it to
set the default on bootup.

Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/

-- 
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