From: Steven Rostedt <rostedt@goodmis.org>
To: Yang Shi <yang.shi@windriver.com>
Cc: He Zhe <zhe.he@windriver.com>, <tglx@linutronix.de>,
<linux-rt-users@vger.kernel.org>
Subject: Re: 4.8.6-rt5 ftrace function_graph hangs
Date: Fri, 18 Nov 2016 17:32:48 -0500 [thread overview]
Message-ID: <20161118173248.6766c586@gandalf.local.home> (raw)
In-Reply-To: <4315c9ac-47cb-7218-027c-039a0cbfa548@windriver.com>
On Fri, 18 Nov 2016 10:36:49 -0800
Yang Shi <yang.shi@windriver.com> wrote:
> Hi Steve,
>
> > Can't you get a backtrace from this? It's running under qemu right? So
> > it should be able to break it and see where it is at.
> >
> > Note, my PowerPC box has just died, so I'm no longer able to work on
> > it, and don't have time to set up a qemu ppc image at the moment.
>
> We found this issue on x86 too. It is not PPC specific problem.
>
Is it a problem on x86 on qemu or do you see this on bare metal. If you
see it on bare metal, please send me your .config because it works fine
for me. If it's only on qemu let me know that too.
-- Steve
next prev parent reply other threads:[~2016-11-18 22:32 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-18 6:23 4.8.6-rt5 ftrace function_graph hangs He Zhe
2016-11-18 16:35 ` Steven Rostedt
2016-11-18 18:36 ` Yang Shi
2016-11-18 22:32 ` Steven Rostedt [this message]
2016-11-21 8:26 ` He Zhe
2016-11-21 8:30 ` He Zhe
2016-11-21 14:45 ` Steven Rostedt
2016-11-28 14:33 ` Sebastian Andrzej Siewior
2016-12-02 21:42 ` Yang Shi
2016-12-06 11:07 ` Sebastian Andrzej Siewior
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