From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guenter Roeck Subject: Re: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace timers with utilization ...' Date: Mon, 15 Feb 2016 12:09:44 -0800 Message-ID: <56C23088.8050400@roeck-us.net> References: <20160215170527.GA24453@roeck-us.net> <20160215190116.GX19432@atomide.com> <56C229A5.8020901@roeck-us.net> <20160215195839.GA19432@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from bh-25.webhostbox.net ([208.91.199.152]:59070 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751382AbcBOUJr (ORCPT ); Mon, 15 Feb 2016 15:09:47 -0500 In-Reply-To: <20160215195839.GA19432@atomide.com> Sender: linux-next-owner@vger.kernel.org List-ID: To: Tony Lindgren Cc: "Rafael J. Wysocki" , Viresh Kumar , "linux-pm@vger.kernel.org" , Peter Zijlstra , "Rafael J. Wysocki" , Linux Kernel Mailing List , linux-next@vger.kernel.org, "linux-arm-kernel@lists.infradead.org" On 02/15/2016 11:58 AM, Tony Lindgren wrote: > * Guenter Roeck [160215 11:41]: >> On 02/15/2016 11:01 AM, Tony Lindgren wrote: >>> >>> https://kernelci.org/boot/all/job/next/kernel/next-20160215/ >>> >>> The SMP ones seem to fail with some regulator issues? >>> >> >> There is another problem, introduced with 6a0712f6f199e ("PM / OPP: Add >> dev_pm_opp_set_rate()"). The kernelci boot log for next-20160212:omap3-overo-tobi >> and others experience that problem. >> >> Essentially, the code now assumes that a CPU clock always has a voltage >> regulator attached to it, which is not correct. I sent out a patch to fix >> that problem a minute ago. > > Yes that fixed it thanks. > Confirmed. With this patch plus mine, all arm qemu tests are again passing for me. Thanks, Guenter From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@roeck-us.net (Guenter Roeck) Date: Mon, 15 Feb 2016 12:09:44 -0800 Subject: Crashes in arm qemu emulations due to 'cpufreq: governor: Replace timers with utilization ...' In-Reply-To: <20160215195839.GA19432@atomide.com> References: <20160215170527.GA24453@roeck-us.net> <20160215190116.GX19432@atomide.com> <56C229A5.8020901@roeck-us.net> <20160215195839.GA19432@atomide.com> Message-ID: <56C23088.8050400@roeck-us.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 02/15/2016 11:58 AM, Tony Lindgren wrote: > * Guenter Roeck [160215 11:41]: >> On 02/15/2016 11:01 AM, Tony Lindgren wrote: >>> >>> https://kernelci.org/boot/all/job/next/kernel/next-20160215/ >>> >>> The SMP ones seem to fail with some regulator issues? >>> >> >> There is another problem, introduced with 6a0712f6f199e ("PM / OPP: Add >> dev_pm_opp_set_rate()"). The kernelci boot log for next-20160212:omap3-overo-tobi >> and others experience that problem. >> >> Essentially, the code now assumes that a CPU clock always has a voltage >> regulator attached to it, which is not correct. I sent out a patch to fix >> that problem a minute ago. > > Yes that fixed it thanks. > Confirmed. With this patch plus mine, all arm qemu tests are again passing for me. Thanks, Guenter