cpufreq: gps && rxerr: port=1 ch=0x24, rxs=0x00000001

Sebastian Krzyszkowiak seba.dos1 at gmail.com
Tue Jun 16 15:50:35 CEST 2009

On Tue, Jun 16, 2009 at 11:32, Nils
Faerber<nils.faerber at kernelconcepts.de> wrote:
> Timo Juhani Lindfors schrieb:
>> Nils Faerber <nils.faerber at kernelconcepts.de> writes:
>>> Is this "sporadic", i.e. does this error occur sometimes and after the
>>> error it works again?
>> Yes.
>>> It could also be that if there is traffic on the serial line in the very
>>> same moment when the frequency change occurs the UART looses its clock
>> I thought I set the clock permanently to 100 MHz when I ran
>> sudo sh -c "echo powersave > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
>> What kind of frequency changes are you talking about?
> Oh, OK, I had the impression that you were using something like the
> ondemand cpufreq governor.
> If the CPU clock sticks to the powersave governor's 100MHz then my
> theory is void.

I think this issue isn't related to cpufreq - I have that on standard
andy-tracking kernel. And for me it happens always - I'm unable to use
GPS at all...

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