Re: Fixing sluggish performance on Thinkpad X1 Carbon 6th gen with proper BIOS settings

Hello, the sluggish high CPU utilization is basically an ACPI interrupt storm, which has already been described in the following mailinglist post from Martin "ACPI interrupt storm on ThinkPad T480s" [1]. I also applied the patch / workaround from Martin which solved the issue for me. With this

Re: Fixing sluggish performance on Thinkpad X1 Carbon 6th gen with proper BIOS settings

Hello, first of all thank you for sharing your BIOS settings, especially the "Thunderbolt BIOS Assist Mode". Based on this setting I've two issues depends if the Assist Mode is enabled or not. * Thunderbolt BIOS Assist Mode: Enable [1] System is okey, no sluggish high CPU utilization (on first