Re: od_set_powersave_bias: NULL pointer dereference

[Jacob Shin]

On Tue, Jun 25, 2013 at 12:26:14PM +0530, Viresh Kumar wrote:
> On 24 June 2013 22:29, Tim Gardner <tim.gardner@xxxxxxxxxxxxx> wrote:
> > This is from Ubuntu Saucy based on 3.10-rc7:
> >
> > [   12.911676] BUG: unable to handle kernel NULL pointer dereference at
> > 0000000000000070
> > [   12.911691] IP: [<ffffffff8156e572>] od_set_powersave_bias+0x92/0xc0
> >
> 
> Can you please look into this bug? It occurred after your
> patch... This is the boot log crash we have:

Hi,

Yes, so sorry about that, it looks like I failed to test with:

CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
CONFIG_X86_AMD_FREQ_SENSITIVITY=m

The following patch fixes this, Tim, could you please test ? :

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