linux-kernel - Re: Crash in msm serial on dragonboard with ftrace bootargs

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Message-ID: <20181016150328.3450d718@gandalf.local.home>
Date:   Tue, 16 Oct 2018 15:03:28 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Cc:     Stephen Boyd <sboyd@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Jiri Slaby <jslaby@...e.com>,
        Kees Cook <keescook@...omium.org>,
        "Joel Fernandes (Google)" <joel@...lfernandes.org>,
        Geliang Tang <geliangtang@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Pramod Gurav <gpramod@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rajendra Nayak <rnayak@...eaurora.org>,
        Vivek Gautam <vivek.gautam@...eaurora.org>,
        Sibi Sankar <sibis@...eaurora.org>
Subject: Re: Crash in msm serial on dragonboard with ftrace bootargs

On Wed, 17 Oct 2018 00:31:03 +0530
Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.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*

?

-- Steve