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 EEA1EC5ACCC for ; Thu, 18 Oct 2018 05:21:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A9944208E4 for ; Thu, 18 Oct 2018 05:21:29 +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="glafo7wi"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="mh8/qnea" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A9944208E4 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 S1727516AbeJRNUj (ORCPT ); Thu, 18 Oct 2018 09:20:39 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:43186 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727331AbeJRNUj (ORCPT ); Thu, 18 Oct 2018 09:20:39 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id E9BE960769; Thu, 18 Oct 2018 05:21:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539840087; bh=nQoDGkmfN16CkYckyCILAgjSZHqfzn1YWNY2gUH//4M=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=glafo7wipGZO4/ZCFF5uELRqPB0+3PPa2KYP/3dUTp5+EjlOyFfxiHAoeKaMsqH1x BhdWy6RrTSUH3jUaWT8GuwlASNhZSS0GXcF1wTJw6yxiMGnjaaqQTg72Uz+6GCadc1 ykKa5bUO9CEzxYRccoIdXzfeh/xQdUsBF+S2TUmk= Received: from [10.79.129.10] (blr-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.18.19]) (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 CA270606DC; Thu, 18 Oct 2018 05:21:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1539840085; bh=nQoDGkmfN16CkYckyCILAgjSZHqfzn1YWNY2gUH//4M=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=mh8/qnea3uVXyZr9jDXJWbIAIshkZJoIpV5j9RkB1k2QMkaIb3sXMVFyyI+wW2XKY ywB5OgtDymbGw9CdnkaMI+W134CXM7/ESfC1U/8XzjeFCxHvppD40WEBHeCD9Zf8Cc 8ado0uGYPH7csiMYOr/LAvUz39Ct830IORf1b0o0= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org CA270606DC 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> <20181017223334.29ca2837@vmware.local.home> From: Sai Prakash Ranjan Message-ID: <58d2474c-53cd-e6cb-2d25-db38d1a88da6@codeaurora.org> Date: Thu, 18 Oct 2018 10:51:18 +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: <20181017223334.29ca2837@vmware.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 10/18/2018 8:03 AM, Steven Rostedt wrote: > On Wed, 17 Oct 2018 00:36:05 +0530 > Sai Prakash Ranjan wrote: > >> 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. >> > > So something else is causing an issue besides just msm_read. > > Can you do an objdump -dr of the entire vmlinux binary and gzip it and > post it somewhere. Not sure if it would be too big to email. You could > try sending it to me privately. I'd like to see the binary that you are > using. > I have sent the objdump and dot config to you privately. Thanks, Sai -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation