Re: beagleboard RT problem

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On Mon, Jun 14, 2010 at 4:35 PM, John Kacur <jkacur@xxxxxxxxxx> wrote:
>
>
> On Mon, 14 Jun 2010, Sujit K M wrote:
>
>> > CONFIG_PREEMPT_RCU=y
>> > # CONFIG_PREEMPT_RCU_TRACE is not set
>>
>> Why is RCU being set to y?
>
> It should be fine to set it to y

Does Angstrom stable distribution need RCU?

>
>>
>> > # CONFIG_PREEMPT_NONE is not set
>> > # CONFIG_PREEMPT_VOLUNTARY is not set
>> > # CONFIG_PREEMPT_DESKTOP is not set
>>
>> Fine.
>>
>> > CONFIG_PREEMPT_RT=y
>>
>> This is correct.
>>
>> > CONFIG_PREEMPT=y
>> > CONFIG_PREEMPT_SOFTIRQS=y
>> > CONFIG_PREEMPT_HARDIRQS=y
>>
>> I think this part is susceptible.
>
> Suceptible to what?
> Those setting are all correct.
> In fact, most are automatically set for you  after
> choosing CONFIG_PREEMPT_RT=y

I thought in any Real Time system there can be only SoftIRQ's or
HardIRQ's. Also CONFIG_PREEMPT is an Non RT design.

>
> His problem is not with the config.
>

Above I think It is certainly an Config problem.
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