Laptop ACPI poweroff failed after main-c255826 -> main-c255850

[Andriy Gapon]

On 2021-01-11 14:55, David Wolfskill wrote:
> pci3: unknown notify 0x2
> ACPI Error: AE_ERROR, Thread 100002 could not acquire Mutex [ACPI_MTX_Caches] (0c4) (20201113/utmutex-434)

Looks like that was some sort of a race or otherwise transient condition
that lead to the _PTS (prepare-to-sleep) failure.

> ACPI Error: Aborting method \_PTS due to previous error (AE_NO_MEMORY) (20201113/psparse-689)
> acpi0: AcpiEnterSleepStatePrep failed - AE_NO_MEMORY


-- 
Andriy Gapon