On Tue, Dec 2, 2014 at 8:43 AM, Dâniel Fraga <[email protected]> wrote:
>
> Linus, Paul and others, I finally got a call trace with
> only CONFIG_TREE_PREEMPT_RCU *disabled* using Paul's patch (to trigger
> it I compiled PHP with make -j8).
So just to verify:
Without CONFIG_PREEMPT, things work well for you?
But with CONFIG_PREEMPT, you are able to create the rcu_sched stalls
both with and without CONFIG_TREE_PREEMPT_RCU?
Correct?
> Dec 2 14:25:54 tux kernel: [ 8550.791697] INFO: rcu_sched detected stalls on
> CPUs/tasks: { 4} (detected by 0, t=60002 jiffies, g=112854, c=112853, q=0)
Paul?
Linus
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