Timo Juhani Lindfors schrieb: > Nils Faerber <[email protected]> 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. Cheers nils faerber -- kernel concepts GbR Tel: +49-271-771091-12 Sieghuetter Hauptweg 48 Fax: +49-271-771091-19 D-57072 Siegen Mob: +49-176-21024535 http://www.kernelconcepts.de
