On Wed, Oct 07, 2020 at 05:40:43PM +0200, Rafael J. Wysocki wrote: > > # grep . enable-cst/cpuidle/state*/disable > > enable-cst/cpuidle/state0/disable:0 > > enable-cst/cpuidle/state1/disable:0 > > enable-cst/cpuidle/state2/disable:0 > > enable-cst/cpuidle/state3/disable:1 > > enable-cst/cpuidle/state4/disable:1 > > # grep . enable-cst/cpuidle/state*/default_status > > enable-cst/cpuidle/state0/default_status:enabled > > enable-cst/cpuidle/state1/default_status:enabled > > enable-cst/cpuidle/state2/default_status:enabled > > enable-cst/cpuidle/state3/default_status:disabled > > enable-cst/cpuidle/state4/default_status:disabled > > > > That looks like C3 and C6 are disabled after the patch. > > > > # grep . enable-cst/cpuidle/state*/name > > enable-cst/cpuidle/state0/name:POLL > > enable-cst/cpuidle/state1/name:C1 > > enable-cst/cpuidle/state2/name:C1E > > enable-cst/cpuidle/state3/name:C3 > > enable-cst/cpuidle/state4/name:C6 > > > > That's kind of unexpected and there may be two reasons for that. > > First off, the MWAIT hints in the ACPI tables for C3 and C6 may be different > from the ones in the intel_idle internal table. > > Second, the ACPI tables may only be listing C1. > > Can you send me the acpidump output from the affected machine, please? >
Attached. Thanks. -- Mel Gorman SUSE Labs
acpidump.xz
Description: application/xz
