Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752570Ab3DJFlY (ORCPT ); Wed, 10 Apr 2013 01:41:24 -0400 Received: from mail-wi0-f176.google.com ([209.85.212.176]:64655 "EHLO mail-wi0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750730Ab3DJFlU (ORCPT ); Wed, 10 Apr 2013 01:41:20 -0400 MIME-Version: 1.0 Reply-To: sedat.dilek@gmail.com In-Reply-To: References: <31778276.CDMUtaAAnc@vostro.rjw.lan> Date: Wed, 10 Apr 2013 07:41:18 +0200 Message-ID: Subject: Re: linux-next: Tree for Apr 9 [cpufreq: NULL pointer deref] From: Sedat Dilek To: Viresh Kumar Cc: "Rafael J. Wysocki" , Stephen Rothwell , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, cpufreq@vger.kernel.org, Linux PM list Content-Type: multipart/mixed; boundary=089e01419d7c88a34504d9fb1ef9 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6242 Lines: 99 --089e01419d7c88a34504d9fb1ef9 Content-Type: text/plain; charset=UTF-8 On Tue, Apr 9, 2013 at 6:51 PM, Viresh Kumar wrote: > On 9 April 2013 21:38, Sedat Dilek wrote: >> With x=3 the system gets in an unuseable state. >> >> root# echo 0 > /sys/devices/system/cpu/cpu3/online >> >> I could not write my reply and had to do a hard/cold reboot. >> The dmesg log I saw looked similiar to my digicam-shot. > > Few things i need from you. First is output of cpufreq-info. Then > all the steps you did to reproduce above? Removed any other cpus? > Here is the output of cpufreq-info of the stable distro-kernel I am using. If you need the one from the "BROKEN" kernel, please let me know. - Sedat - --089e01419d7c88a34504d9fb1ef9 Content-Type: text/plain; charset=US-ASCII; name="cpufreq-info_3.2.0-40-generic.txt" Content-Disposition: attachment; filename="cpufreq-info_3.2.0-40-generic.txt" Content-Transfer-Encoding: base64 X-Attachment-Id: f_hfc2l20b0 Y3B1ZnJlcXV0aWxzIDAwNzogY3B1ZnJlcS1pbmZvIChDKSBEb21pbmlrIEJyb2Rvd3NraSAyMDA0 LTIwMDkKUmVwb3J0IGVycm9ycyBhbmQgYnVncyB0byBjcHVmcmVxQHZnZXIua2VybmVsLm9yZywg cGxlYXNlLgphbmFseXppbmcgQ1BVIDA6CiAgZHJpdmVyOiBhY3BpLWNwdWZyZXEKICBDUFVzIHdo aWNoIHJ1biBhdCB0aGUgc2FtZSBoYXJkd2FyZSBmcmVxdWVuY3k6IDAgMSAyIDMKICBDUFVzIHdo aWNoIG5lZWQgdG8gaGF2ZSB0aGVpciBmcmVxdWVuY3kgY29vcmRpbmF0ZWQgYnkgc29mdHdhcmU6 IDAKICBtYXhpbXVtIHRyYW5zaXRpb24gbGF0ZW5jeTogMTAuMCB1cy4KICBoYXJkd2FyZSBsaW1p dHM6IDgwMCBNSHogLSAxLjYwIEdIegogIGF2YWlsYWJsZSBmcmVxdWVuY3kgc3RlcHM6IDEuNjAg R0h6LCAxLjYwIEdIeiwgMS41MCBHSHosIDEuNDAgR0h6LCAxLjMwIEdIeiwgMS4yMCBHSHosIDEu 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