On Tue, 18 Dec 2018 23:08:36 +0100 Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> wrote: > On 2018-12-18 15:40:34 [-0500], Steven Rostedt wrote: > > > > Dear RT Folks, > > > > I'm pleased to announce the 4.14.87-rt49 stable release. > > This contains also commit > e8499ab5b93ac ("x86/fpu: Disable bottom halves while loading FPU registers") > > which means you need commit > [PATCH] x86/fpu: Disable preemption around local_bh_disable() > https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/plain/patches/x86-fpu-Disable-preemption-around-local_bh_disable.patch?h=linux-4.19.y-rt-patches > I plan on doing a backport soon. My tests didn't bomb without this patch :-) so i released this stable. But this just shows I need to do a backport of your updates ASAP. -- Steve