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Subject: Re: Crash in msm serial on dragonboard with ftrace bootargs
To:     Steven Rostedt <rostedt@goodmis.org>
Cc:     Stephen Boyd <sboyd@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Andy Gross <andy.gross@linaro.org>,
        David Brown <david.brown@linaro.org>,
        Jiri Slaby <jslaby@suse.com>,
        Kees Cook <keescook@chromium.org>,
        "Joel Fernandes (Google)" <joel@joelfernandes.org>,
        Geliang Tang <geliangtang@gmail.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Pramod Gurav <gpramod@codeaurora.org>,
        linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org,
        linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
        Rajendra Nayak <rnayak@codeaurora.org>,
        Vivek Gautam <vivek.gautam@codeaurora.org>,
        Sibi Sankar <sibis@codeaurora.org>
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From:   Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Message-ID: <58d2474c-53cd-e6cb-2d25-db38d1a88da6@codeaurora.org>
Date:   Thu, 18 Oct 2018 10:51:18 +0530
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On 10/18/2018 8:03 AM, Steven Rostedt wrote:
> On Wed, 17 Oct 2018 00:36:05 +0530
> Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> wrote:
> 
>> On 10/17/2018 12:33 AM, Steven Rostedt wrote:
>>> On Wed, 17 Oct 2018 00:31:03 +0530
>>> Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> 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
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