Problème ACPI Lenovo

Bonjour,
j’ai un petit souci avec mon pc juste après le lancement de grub et avant le splash ACPI 0x20 a mettre à jours .
[ 0.288038] ENERGY_PERF_BIAS: Set to ‹ normal ›, was ‹ performance ›
[ 0.288039] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
[ 0.300156] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details.
[ 0.300156] #2 #3
[ 0.328189] ACPI Error: Needed type [Reference], found [Integer] 00000000ac171e04 (20180810/exresop-69)
[ 0.328256] ACPI Error: AE_AML_OPERAND_TYPE, While resolving operands for [OpcodeName unavailable] (20180810/dswexec-427)
[ 0.328322] ACPI Error: Method parse/execution failed _PR.CPU0._PDC, AE_AML_OPERAND_TYPE (20180810/psparse-516)
[ 1.901033] acpi PNP0C14:01: duplicate WMI GUID 05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on PNP0C14:00)
[ 1.901094] acpi PNP0C14:02: duplicate WMI GUID 05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on PNP0C14:00)
[ 2.116054] ------------[ cut here ]------------
[ 2.116061] WARNING: CPU: 0 PID: 13 at kernel/work
merci de votre aide.