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SubjectRe: Crash in msm serial on dragonboard with ftrace bootargs
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On 10/17/2018 12:11 AM, Steven Rostedt wrote:
> On Tue, 16 Oct 2018 23:55:14 +0530
> Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> wrote:
>
>> On 10/16/2018 11:46 PM, Steven Rostedt wrote:
>>>
>>> [ Removed ivan.ivanov@linaro.org due to getting mail delivery errors ]
>>>
>>> On Tue, 16 Oct 2018 23:35:00 +0530
>>> Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> wrote:
>>>
>>>> Ok got it, this sounds fun. I'll give it a try.
>>>
>>> Awesome, I'm looking forward to seeing what you come up with.
>>>
>>
>> Now, I can trigger this crash reboot with "ftrace=function
>> ftrace_filter=f*,g*,h*,i*,j*,k*,l*,m*,n*,o*,p*,q*"
>
> Does it crash with just "f*" or "g*" or any singularity of the above?
>
> Hmm, I wonder if it is from tracing msm_read?
>

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.

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