rcu self-detected stall messages on OMAP3, 4 boards

[Bruce, Becky]

I'll give it a try on my panda later today.

B

Sent from my iPhone

On Sep 20, 2012, at 2:56 AM, "Paul Walmsley" <paul at pwsan.com> wrote:

> Hi,
> 
> On Wed, 19 Sep 2012, Paul E. McKenney wrote:
> 
>> On Thu, Sep 13, 2012 at 06:52:10PM +0000, Paul Walmsley wrote:
>> 
>>> On Wed, 12 Sep 2012, Paul E. McKenney wrote:
>> 
>>>> Subodh Nijsure (also CCed) reported something that might be similar on
>>>> ARM, and also reported that setting the following got rid of the stalls:
>>>> 
>>>>    CONFIG_CPU_IDLE=y
>>>>    CONFIG_CPU_IDLE_GOV_LADDER=y
>>>>    CONFIG_CPU_IDLE_GOV_MENU=y
>>>> 
>>>> At which point he was happy, which was good, but which also left the
>>>> underlying problem unsolved.  Do these affect your system?  If so,
>>>> do they cause a different ARM idle loop to be executed?
>>> 
>>> Will give this a try.  What board was Subodh using?
>> 
>> Any news on trying the above settings?
> 
> Sorry, haven't had the chance to try it yet due to the impending merge 
> window opening.  Once things settle down I'll give it a try -- or maybe 
> someone else can test it in the meantime.
> 
> 
> - Paul