From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9CF82C43381 for ; Mon, 25 Mar 2019 11:57:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 689392087E for ; Mon, 25 Mar 2019 11:57:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="gMNXpYuL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731062AbfCYL5o (ORCPT ); Mon, 25 Mar 2019 07:57:44 -0400 Received: from lelv0143.ext.ti.com ([198.47.23.248]:60742 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731031AbfCYL5i (ORCPT ); Mon, 25 Mar 2019 07:57:38 -0400 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id x2PBvClf004672; Mon, 25 Mar 2019 06:57:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1553515032; bh=THLHzYaL2qNz12734MQVtCxdRhLPXqxOoWZ82S+kNMk=; h=Subject:To:References:From:Date:In-Reply-To; b=gMNXpYuL5tLC6q6gc/UQk4OPk83tYqkwhp9rvky4oo3WjsP/8qmACUs1zTW7Znuwg Rt/hirdXI6r2J8sHdTGuxN/LmJbl0c3rbSU0ofDfrXXlHNESu92BooimIb3Hy4I8C/ Fdq3l4KvxOwtZgqWbDMYwML0M+5k4FF3HwSH9aPE= Received: from DLEE108.ent.ti.com (dlee108.ent.ti.com [157.170.170.38]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x2PBvCBj053554 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 25 Mar 2019 06:57:12 -0500 Received: from DLEE100.ent.ti.com (157.170.170.30) by DLEE108.ent.ti.com (157.170.170.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Mon, 25 Mar 2019 06:57:11 -0500 Received: from dflp33.itg.ti.com (10.64.6.16) by DLEE100.ent.ti.com (157.170.170.30) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1713.5 via Frontend Transport; Mon, 25 Mar 2019 06:57:11 -0500 Received: from [192.168.2.6] (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id x2PBv84X028607; Mon, 25 Mar 2019 06:57:09 -0500 Subject: Re: INFO: task hung in process_measurement To: syzbot , , , , , , , , , , , , , , References: <000000000000f8654a0584bd7d5d@google.com> From: Tomi Valkeinen Message-ID: <26a884b5-8fbe-57cd-a31e-ab1597681a03@ti.com> Date: Mon, 25 Mar 2019 13:57:08 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: <000000000000f8654a0584bd7d5d@google.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 8bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 23/03/2019 08:58, syzbot wrote: > syzbot has bisected this bug to: > > commit 8fe5616b20e5742bb5fee0e77dffe2fc76ac92a0 > Author: Jyri Sarha > Date:   Tue Jun 14 08:43:30 2016 +0000 > >     drm/tilcdc: Restore old dpms state in pm_resume() > > bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10daff1b200000 > start commit:   291d0e5d Merge tag 'for-linus-20180929' of > git://git.kerne.. > git tree:       upstream > final crash:    https://syzkaller.appspot.com/x/report.txt?x=12daff1b200000 > console output: https://syzkaller.appspot.com/x/log.txt?x=14daff1b200000 > kernel config:  https://syzkaller.appspot.com/x/.config?x=a8212f992609a887 > dashboard link: > https://syzkaller.appspot.com/bug?extid=cdc562bc26a2b2b0a94f > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=140e285e400000 > C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1237fe81400000 > > Reported-by: syzbot+cdc562bc26a2b2b0a94f@syzkaller.appspotmail.com > Fixes: 8fe5616b20e5 ("drm/tilcdc: Restore old dpms state in pm_resume()") > > For information about bisection process see: > https://goo.gl/tpsmEJ#bisection I don't think the patch from Jyri is related to the crash here. Tomi -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki