Re: intel_pstate divide error with v3.13-rc4-256-gb7000ad
From: One Thousand Gnomes
Date: Fri Dec 27 2013 - 07:24:53 EST
On Tue, 24 Dec 2013 21:36:01 +0530
Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
> Adding Dirk..
> On 24 December 2013 20:06, Josh Boyer <jwboyer@xxxxxxxxxxxxxxxxx> wrote:
> > Hi All,
> > We've had a report  that the pstate driver causes KVM guests to
> > fail to boot because of a divide error. See the backtrace below.
> > 4.839784] Intel P-state driver initializing.
> > [ 4.859972] Intel pstate controlling: cpu 0
> > [ 4.867653] cpufreq: __cpufreq_add_dev: ->get() failed
> After a call to ->init(), ->get() is supposed to work.
> @Dirk: Any idea why it failed?
> And then I don't know what made this divide by zero to happen :)
> > [ 4.878127] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Emulator bug perhaps ?
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