From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752342AbbGIE50 (ORCPT ); Thu, 9 Jul 2015 00:57:26 -0400 Received: from mail-pd0-f180.google.com ([209.85.192.180]:33285 "EHLO mail-pd0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752210AbbGIE5U (ORCPT ); Thu, 9 Jul 2015 00:57:20 -0400 Date: Thu, 9 Jul 2015 10:27:14 +0530 From: Viresh Kumar To: Steven Rostedt Cc: "Rafael J. Wysocki" , LKML , Linus Torvalds , Andrew Morton , "Rafael J. Wysocki" , Saravana Kannan , Linux PM list , ACPI Devel Maling List Subject: Re: [BUG] Kernel splat when taking CPUs offline Message-ID: <20150709045714.GH1805@linux> References: <20150708152456.4438d60f@gandalf.local.home> <1625417.XZkzNdoaJA@vostro.rjw.lan> <20150709040445.GG1805@linux> <20150709002552.32fa492c@grimm.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150709002552.32fa492c@grimm.local.home> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09-07-15, 00:25, Steven Rostedt wrote: > On Thu, 9 Jul 2015 09:34:45 +0530 > Viresh Kumar wrote: > > > > I think it might be related to what I chased down yesterday: > > > > http://marc.info/?l=linux-kernel&m=143633485824975&w=2 > > > > @Steven: Can you please give this a try ? > > > > Yes that seems to fix my issue as well. > > Tested-by: Steven Rostedt Awesome, so the problem was that cpufreq_set_policy() was failing because of the latest bug I planted :), and that caused ->exit() but didn't free the policy completely. (I have fixed that as well in a separate patch). And so you are hitting a policy which has already exited. Sorry about that :) -- viresh