On 7/3/12 9:13 PM, Paul E. McKenney wrote:

>> On 6/27/12 11:22 PM, Dong Liu wrote:
>>> Hi,
>>>
>>> I'm running 3.4.3-rt11 and 3.2.18-rt29 on a system with Intel I7 860, I
>>> noticed that with hyperthread enabled, I'm getting kernel error
>>>
>>> rcu_preempt detected stalls on CPUs/tasks: { 3} (detected by 5, t=60002
>>> jiffies)
>
> Did you get stack traces with this error?  And did you get repeated
> stall messages if you waited a few minutes after the first one?
>
> If so, the stack traces can help track down the problem.
>
> 							Thanx, Paul
>
Sorry, I thought I attached the dmesg output in my initial mail :)

Here is the dmesg output.

Thanks,

Dong