Created attachment 293079 [details] acpidump out Distro: Debian 10.6 (buster) Hardware: HP Compaq 8100 Kernel: Linux 4.19.0-11-amd64 #1 SMP Debian 4.19.146-1 (2020-09-17) x86_64 GNU/Linux # dmesg -t -l err acpi LNXCPU:00: Invalid PBLK length [7] acpi LNXCPU:01: Invalid PBLK length [7] acpi LNXCPU:02: Invalid PBLK length [7] acpi LNXCPU:03: Invalid PBLK length [7] ACPI BIOS Error (bug): \_SB.PCI0._OSC: Excess arguments - ASL declared 5, ACPI requires 4 (20180810/nsarguments-164) ACPI BIOS Error (bug): Failure creating [\_SB.PCI0._OSC.CAPD], AE_ALREADY_EXISTS (20180810/dsfield-183) ACPI Error: Method parse/execution failed \_SB.PCI0._OSC, AE_ALREADY_EXISTS (20180810/psparse-516) kvm: disabled by bios kvm: disabled by bios kvm: disabled by bios kvm: disabled by bios
please attach the acpidump output.