On Tue, Dec 2, 2014 at 8:43 AM, Dâniel Fraga <frag...@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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/