On Fri, 2017-02-03 at 09:53 +0100, Peter Zijlstra wrote: > On Fri, Feb 03, 2017 at 10:03:14AM +0530, Sachin Sant wrote: > > I ran few cycles of cpu hot(un)plug tests. In most cases it works except one > > where I ran into rcu stall: > > > > [ 173.493453] INFO: rcu_sched detected stalls on CPUs/tasks: > > [ 173.493473] > > > > 8-...: (2 GPs behind) idle=006/140000000000000/0 softirq=0/0 fqs=2996 > > [ 173.493476] > > > > (detected by 0, t=6002 jiffies, g=885, c=884, q=6350) > > Right, I actually saw that too, but I don't think that would be related > to my patch. I'll see if I can dig into this though, ought to get fixed > regardless. FWIW, I'm not seeing stalls/hangs while beating hotplug up in tip. (so next grew a wart?) -Mike -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html