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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 BD6C1C5ACC6 for ; Tue, 16 Oct 2018 19:06:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 727362098A for ; Tue, 16 Oct 2018 19:06:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="HilbSA8d"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="c1djIwPm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 727362098A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727193AbeJQC6J (ORCPT ); Tue, 16 Oct 2018 22:58:09 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:34734 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727006AbeJQC6J (ORCPT ); Tue, 16 Oct 2018 22:58:09 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 0100D6130B; Tue, 16 Oct 2018 19:06:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539716778; bh=G1bkRhdg7U1Bs7k0WRQjswBWfUPfdxoY5HA8q92Md/c=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=HilbSA8dX9Gqha4vC8nUiTimdxK+mcUuUORAh17Sn67iWTVqopRgMzNnRtfcPSDqW MNGQUILkaMv/+bhseObvKR2HHCKnvCgcdzVsEqNu22fMeVVsuFtIwZw0Jw5WKi/lDY 3Dy76xv12Ug2wvaxynzFCgf5mXTP+nICPWbTdKjQ= Received: from [192.168.43.47] (unknown [223.227.22.91]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: saiprakash.ranjan@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 11FA4606DD; Tue, 16 Oct 2018 19:06:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539716777; bh=G1bkRhdg7U1Bs7k0WRQjswBWfUPfdxoY5HA8q92Md/c=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=c1djIwPmMEC4FjB93gXOG+rHBoRS0CBFc5pYAyczbllyjQHmNoKpReaqoSskX9cl+ Vqu4MaAQ08o3V2onnh08bLHNLRsVRUSItd3XNy3CPBZT302OvlKjEA6Nk48qE7HA1/ 9t4gBIXBuOf1ep16nD98EmrCU4nATWw0V8JGWq7E= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 11FA4606DD Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=saiprakash.ranjan@codeaurora.org Subject: Re: Crash in msm serial on dragonboard with ftrace bootargs To: Steven Rostedt Cc: Stephen Boyd , Bjorn Andersson , Andy Gross , David Brown , Jiri Slaby , Kees Cook , "Joel Fernandes (Google)" , Geliang Tang , Greg Kroah-Hartman , Pramod Gurav , linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Rajendra Nayak , Vivek Gautam , Sibi Sankar References: <1cae8f10-55f5-20ce-9105-30af6f88bd6e@codeaurora.org> <20181016112928.4b52afb5@gandalf.local.home> <8c2fb318-813d-81f1-1e2f-cdbc68353077@codeaurora.org> <20181016125721.236ada82@gandalf.local.home> <20181016134803.1b9260c1@gandalf.local.home> <472db11e-49a6-a1ee-e298-791ee1bbb10b@codeaurora.org> <20181016141610.639b9000@gandalf.local.home> <20181016144123.24c47b38@gandalf.local.home> <7781815e-cba2-9e36-db6d-268298747876@codeaurora.org> <20181016150328.3450d718@gandalf.local.home> From: Sai Prakash Ranjan Message-ID: Date: Wed, 17 Oct 2018 00:36:05 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20181016150328.3450d718@gandalf.local.home> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/17/2018 12:33 AM, Steven Rostedt wrote: > On Wed, 17 Oct 2018 00:31:03 +0530 > Sai Prakash Ranjan wrote: > >> Haa seems like you are right! With "ftrace=function >> ftrace_filter=msm_read" , I can trigger the crash, but >> sadly "ftrace_notrace=msm_read" also crashes. > > So there's more than one problem area. > > What about ftrace_notrace=m* > > ? > That too crashes. -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation