Sorry please ignore this report -- according to Peter:
This is fixed by commit:
02a7c234e540 ("rcu: Suppress lockdep false-positive ->boost_mtx complaints")
The problem is that RCU boosting was mixing futex and !futex rt_mutex
ops.
On Tue, Nov 07, 2017 at 12:34:15PM +0800, Fengguang Wu
FYI, this warning shows up in both v4.14-rc8 and v4.13:
[ 144.578809] br-lan: port 1(eth0) entered disabled state
[ 144.581360] device eth0 left promiscuous mode
[ 144.582699] br-lan: port 1(eth0) entered disabled state
[ 144.685012]
[ 144.685370] =
[
