From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sai Prakash Ranjan Subject: Re: Crash in msm serial on dragonboard with ftrace bootargs Date: Thu, 18 Oct 2018 10:51:18 +0530 Message-ID: <58d2474c-53cd-e6cb-2d25-db38d1a88da6@codeaurora.org> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20181017223334.29ca2837@vmware.local.home> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-serial@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