On Fri 2016-10-21 13:21:18, Jacob Pan wrote: > On Mon, 17 Oct 2016 14:32:52 +0200 > Petr Mladek <pmla...@suse.com> wrote: > > > From: Sebastian Andrzej Siewior <bige...@linutronix.de> > > > Hi Sebastian, > I applied this patchset on 4.9-rc1 and run some cpu online/offline > loops test while injecting idle, e.g. 25%. I got system hang after a > few cycles. Still looking into root cause.
You might need the patch ("sched/fair: Fix sched domains NULL deference in select_idle_sibling()") from linux-tip, see https://lkml.kernel.org/r/tip-9cfb38a7ba5a9c27c1af8093fb1af4b699c0a...@git.kernel.org I have mentioned it in the cover letter. I am sorry if it was not visible enough. Best Regards, Petr