On 12/24/19 6:25 AM, Guenter Roeck wrote: > You'll probably see a note about an ACPI resource conflict. If the board > with NCT6796D wasn't yours, that may not be the case. this certainly looks like it might be the source of the problem, ... [33002.934396] nct6775: Found NCT6793D or compatible chip at 0x2e:0x290 [33002.934401] ACPI Warning: SystemIO range 0x0000000000000295-0x0000000000000296 conflicts with OpRegion 0x0000000000000290-0x0000000000000299 (\AMW0.SHWM) (20190816/utaddress-204) [33002.934406] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver [33017.944153] nct6775: Found NCT6795D or compatible chip at 0x2e:0x290 [33017.944158] ACPI Warning: SystemIO range 0x0000000000000295-0x0000000000000296 conflicts with OpRegion 0x0000000000000290-0x0000000000000299 (\AMW0.SHWM) (20190816/utaddress-204) [33017.944164] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver [33033.152135] nct6775: Found NCT6793D or compatible chip at 0x2e:0x290 [33033.152140] ACPI Warning: SystemIO range 0x0000000000000295-0x0000000000000296 conflicts with OpRegion 0x0000000000000290-0x0000000000000299 (\AMW0.SHWM) (20190816/utaddress-204) [33033.152146] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver [33085.807200] nct6775: Found NCT6798D or compatible chip at 0x2e:0x290 [33085.807205] ACPI Warning: SystemIO range 0x0000000000000295-0x0000000000000296 conflicts with OpRegion 0x0000000000000290-0x0000000000000299 (\AMW0.SHWM) (20190816/utaddress-204) [33085.807209] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver [33519.421923] usb 4-1.4.3: reset SuperSpeed Gen 1 USB device number 4 using xhci_hcd [34160.099747] it87: Found IT8728F chip at 0xfff8, revision 15 [34160.099769] it87: Beeping is supported [34160.099844] it87: Found IT8728F chip at 0xfff8, revision 15 [34160.099865] it87: Beeping is supported [34212.426003] nct6775: Found NCT6798D or compatible chip at 0x2e:0x290 [34212.426008] ACPI Warning: SystemIO range 0x0000000000000295-0x0000000000000296 conflicts with OpRegion 0x0000000000000290-0x0000000000000299 (\AMW0.SHWM) (20190816/utaddress-204) [34212.426014] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver [35066.143893] nct6775: Found NCT6798D or compatible chip at 0x2e:0x290 [35066.143900] ACPI Warning: SystemIO range 0x0000000000000295-0x0000000000000296 conflicts with OpRegion 0x0000000000000290-0x0000000000000299 (\AMW0.SHWM) (20190816/utaddress-204) [35066.143907] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver ... if it is, iiuc your earlier comments, sounds like a BIOS issue.