From mboxrd@z Thu Jan 1 00:00:00 1970 From: Petr Mladek Subject: Re: [PATCH 3/3] thermal/intel_powerclamp: Convert to CPU hotplug state Date: Mon, 24 Oct 2016 17:48:07 +0200 Message-ID: <20161024154807.GQ23809@pathway.suse.cz> References: <1476707572-32215-1-git-send-email-pmladek@suse.com> <1476707572-32215-4-git-send-email-pmladek@suse.com> <20161021132118.4239af86@jacob-builder> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20161021132118.4239af86@jacob-builder> Sender: linux-kernel-owner@vger.kernel.org To: Jacob Pan Cc: Zhang Rui , Thomas Gleixner , Sebastian Andrzej Siewior , Eduardo Valentin , Tejun Heo , Peter Zijlstra , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-pm@vger.kernel.org On Fri 2016-10-21 13:21:18, Jacob Pan wrote: > On Mon, 17 Oct 2016 14:32:52 +0200 > Petr Mladek wrote: > > > From: Sebastian Andrzej Siewior > > > 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-9cfb38a7ba5a9c27c1af8093fb1af4b699c0a441@git.kernel.org I have mentioned it in the cover letter. I am sorry if it was not visible enough. Best Regards, Petr