I've actually been seeing worse behavior, in that I can't get Thunderbolt to work at all with 5.3rc1 or 5.3rc2 on the 9380 system I have on hand, similar messages related to link timeouts.
- [Regression] Commit "ACPI: PM: Allow transitions to... Kai-Heng Feng
- Re: [Regression] Commit "ACPI: PM: Allow trans... Mario.Limonciello
- Re: [Regression] Commit "ACPI: PM: Allow trans... Bjorn Helgaas
- Re: [Regression] Commit "ACPI: PM: Allow t... Rafael J. Wysocki
- Re: [Regression] Commit "ACPI: PM: Allow trans... Rafael J. Wysocki

