> -----Ursprüngliche Nachricht----- > Von: Kevin Hilman [mailto:khilman@xxxxxxxxxxxxxxxxxxx] > Gesendet: Dienstag, 2. Oktober 2012 02:00 > An: Maximilian Schwerin > Cc: linux-omap@xxxxxxxxxxxxxxx > Betreff: Re: Beagleboard xM crashes when being set to 800MHz > with smartreflex on linux-omap-3.6-rc6 > > "Maximilian Schwerin" <Maximilian.Schwerin@xxxxxxxxx> writes: > > > Hi, > > > > I've just built a linux-omap kernel at 3.6-rc6 using > omap2plus_defconfig > > as basis for the kernel config. > > > > When I enable smartreflex and switch to 800MHz via > > > > echo 1 > /sys/kernel/debug/smartreflex/smartreflex_core/autocomp > > echo 1 > /sys/kernel/debug/smartreflex/smartreflex_mpu_iva/autocomp > > cpufreq-set -f 800MHz > > > > the board crashes. If I switch to 800MHz and enable > smartreflex later > > nothing happens. This used to work in my 3.3 based kernel. > > SmartReflex is kwown to be unstable in mainline and there are several > errata that still need fixing for it to be stable. > > I strongly recommend you simply leave SR disabled. > > Kevin > So what does this mean for 800MHz and 1GHz? Is this not usable at all? Is there another kernel branch, that supports both frequencies? My customer needs 800MHz and 1GHz. Cheers, m.
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