From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-id: <530634F2.3010600@samsung.com> Date: Thu, 20 Feb 2014 10:01:38 -0700 From: Shuah Khan Reply-to: shuah.kh@samsung.com MIME-version: 1.0 To: Greg Kroah-Hartman , dirk.j.brandewie@intel.com Cc: Xishi Qiu , linux-kernel@vger.kernel.org, n-horiguchi@ah.jp.nec.com, torvalds@linux-foundation.org, akpm@linux-foundation.org, stable@vger.kernel.org, "shuahkhan@gmail.com" , Shuah Khan Subject: Re: [PATCH 3.10 00/26] 3.10.31-stable review References: <20140218224530.398913499@linuxfoundation.org> <53054C83.8000409@samsung.com> <5305AF24.4030503@huawei.com> <53060590.9090600@samsung.com> In-reply-to: <53060590.9090600@samsung.com> Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: On 02/20/2014 06:39 AM, Shuah Khan wrote: > On 02/20/2014 12:30 AM, Xishi Qiu wrote: >> On 2014/2/20 8:29, Shuah Khan wrote: >> >>> On 02/18/2014 03:46 PM, Greg Kroah-Hartman wrote: >>>> This is the start of the stable review cycle for the 3.10.31 release. >>>> There are 26 patches in this series, all will be posted as a response >>>> to this one. If anyone has any issues with these being applied, please >>>> let me know. >>>> >>>> Responses should be made by Thu Feb 20 22:45:20 UTC 2014. >>>> Anything received after that time might be too late. >>>> >>>> The whole patch series can be found in one patch at: >>>> >>>> kernel.org/pub/linux/kernel/v3.0/stable-review/patch-3.10.31-rc1.gz >>>> and the diffstat can be found below. >>>> >>>> thanks, >>>> >>>> greg k-h >>>> >>> >>> Compile and boot tests passed on AMD system. Boot failed on Intel >>> systems. I think the following changes are the suspect, so far by >>> process of elimination - these two aren't in 3.12 and 3.13 >>> >>> # modified: mm/hugetlb.c >>> # modified: mm/memory-failure.c >>> >>> However, my strong suspect is the following: >>> >>> Xishi Qiu >>> mm: fix process accidentally killed by mce because of huge page >>> migration >>> >>> I don't see how this could cause problems, none the less, I will test >>> without these changes and let you know. >>> >>> >>> Naoya Horiguchi >>> mm/memory-failure.c: fix memory leak in successful soft offlining >>> >>> I will test without these changes and let you know. >>> >>> -- Shuah >>> >> >> Hi Shuah >> >> I tested on my system, it boot successfully. >> >> hardware: Intel(R) Xeon(R) CPU E5-2420 0 @ 1.90GHz >> OS: v3.10.30 + the two patches >> >> Thanks, >> Xishi Qiu > > Xishi, > > I tested without your patch and still see the issue. My wild guess > wasn't a good one :) I am starting git bisect now. > > -- Shuah > > ok I have it isolated to the following patch: Dirk Brandewie intel_pstate: Take core C0 time into account for core busy calculation From: Dirk Brandewie commit fcb6a15c2e7e76d493e6f91ea889ab40e1c643a4 upstream. Take non-idle time into account when calculating core busy time. This ensures that intel_pstate will notice a decrease in load. Boots just fine without this change. -- Shuah -- Shuah Khan Senior Linux Kernel Developer - Open Source Group Samsung Research America(Silicon Valley) shuah.kh@samsung.com | (970) 672-0658