On Sat, Jun 15, 2019 at 6:15 AM Corbin Bird <corbinb...@charter.net> wrote:
> Disclosure : > 1 : The CPU is a AMD FX-9590 ( Fam15h ) > 2 : Kernel command line parameter "eagerfpu=on" is being used. > > This kernel option was causing constant kernel hard locks. > ----- > General setup --> [ ] CPU isolation. > ----- > Anything that accessed the FPU would cause the CPU's ( SMP ) to "loose > sync". > Just to clarify; do i have this right? General setup --> [ ] CPU isolation. -> this is the broken setting General setup --> [*] CPU isolation. -> this works (and is the default) AFAICT in 5.x onward all the lazy FPU code is gone so its just eager.