Re: ftrace function_graph causes system crash

From: Steven Rostedt
Date: Wed Sep 21 2016 - 14:17:19 EST


On Wed, 21 Sep 2016 17:13:07 +0800
Jisheng Zhang <jszhang@xxxxxxxxxxx> 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?
> >