Re: kexec: cpufreq: omap3: hangs in dpll3xxx.c::_omap3_dpll_write_clken()

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On Tue, 11 Dec 2012, Paul Walmsley wrote:

> On Tue, 11 Dec 2012, Paolo Pisati wrote:
> 
> > I've been experiencing solid hangs on my beaglexm with v3.7 after
> > kexec:
> 
> Does it crash if you boot v3.7 directly from the bootloader, i.e., without 
> kexec?

Also you might want to verify that the voltage on VDD1 is what the kernel 
thinks it is:

[    5.638183] notification 0 of frequency transition to 800000 kHz
[    5.644775] cpu cpu0: cpufreq-omap: 300 MHz, -1 mV --> 800 MHz, 1325 mV

You can probe this with a multimeter on one side of the VDD1 inductor.  
It's on the underside of the Beagle-XM near the DC input jack - it's 
marked "L4" on the silkscreen text.


- Paul
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