Messages in this thread | | | Date | Tue, 2 Dec 2014 09:08:53 -0800 | Subject | Re: frequent lockups in 3.18rc4 | From | Linus Torvalds <> |
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On Tue, Dec 2, 2014 at 8:43 AM, Dâniel Fraga <fragabr@gmail.com> 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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