ftrace function_graph causes system crash

Wed Sep 21 11:17:05 PDT 2016

On Wed, 21 Sep 2016 17:13:07 +0800
Jisheng Zhang <jszhang at marvell.com> wrote:

> I'm not sure whether the commit d6df3576e6b4 ("clocksource/drivers/arm_global_timer
> : Prevent ftrace recursion") can fix this issue.
> 
> this commit is merged since v4.3, I noticed your kernel version is v4.0

BTW, yes, that would be the fix.

-- Steve

> 
> Thanks,
> Jisheng
> 
> > Do you know now how to deeply debug and trace which line is wrong through Ftrace?
> > 