On Fri, Feb 10, 2023 at 06:32:36PM +0000, Will Godfrey wrote:
On Thu, 9 Feb 2023 20:18:59 +0000
John Rigg <ladev9(a)jrigg.co.uk> wrote:
Have you turned off hyperthreading on the Ryzen
system (usually called SMT in
BIOS settings on AMD)? I keep SMT turned off on my Ryzen systems to avoid
possible scheduling problems. So far no problems with 6.x kernels with dynamic
preempt enabled.
OK. That works thanks. Strange it wasn't needed for kernel 5.10.
The scheduler was modified to allow dynamic preemption (preemption
can be turned on and off with kernel command line), starting with
5.12 kernel.
John