On 2018-07-02 17:34:34 [+0800], gengdongjiu wrote:
The Linux kernel version is v4.1.46, and the preempt_rt patch is
the 4.1 series is no longer supported (neither RT wise nor non-RT,
https://www.kernel.org/category/releases.html). I suggest to move away.
If you notice this problem now it is hardly a long running project.