Update I installed 4.5.0-0.bpo.2-amd64
There is only a delay about 3,3 seconds after EC started and Interpreder enabled. (Is this normal?) On the same machine, same configurations as before, only an older kernel. # systemd-analyze Startup finished in 8.745s (firmware) + 13.311s (loader) + 10.052s (kernel) + 6.342s (userspace) = 38.452s # dmesg |grep -C3 "EC:" [ 0.176859] ACPI: SSDT 0xFFFF880149FB3800 0005DB (v01 PmRef ApIst 00003000 INTL 20130927) [ 0.177875] ACPI: Dynamic OEM Table Load: [ 0.177882] ACPI: SSDT 0xFFFF880149D0A800 000119 (v01 PmRef ApCst 00003000 INTL 20130927) [ 0.179479] ACPI : EC: EC started [ 3.422282] ACPI: Interpreter enabled [ 3.422315] ACPI: (supports S0 S3 S4 S5) [ 3.422317] ACPI: Using IOAPIC for interrupt routing -- [ 3.577890] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled. [ 3.577946] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 11 12 14 15) *0, disabled. [ 3.578382] ACPI: Enabled 5 GPEs in block 00 to 7F [ 3.578441] ACPI : EC: GPE = 0x6, I/O: command/status = 0x66, data = 0x62 [ 3.578574] vgaarb: setting as boot device: PCI:0000:00:02.0 [ 3.578576] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none [ 3.578579] vgaarb: loaded Regards Jakob