From mboxrd@z Thu Jan 1 00:00:00 1970 From: rostedt@goodmis.org (Steven Rostedt) Date: Wed, 21 Sep 2016 14:17:05 -0400 Subject: ftrace function_graph causes system crash In-Reply-To: <20160921171307.3fb84c87@xhacker> References: <7d0e88fff8e64591ac31be3adbbf763c@SIWEX5A.sing.micron.com> <20160920100716.131d3647@gandalf.local.home> <0e38f79fdc1f4671943da74764c15050@SIWEX5A.sing.micron.com> <20160921171307.3fb84c87@xhacker> Message-ID: <20160921141705.6ab0be03@gandalf.local.home> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, 21 Sep 2016 17:13:07 +0800 Jisheng Zhang 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? > >