Messages in this thread | | | From | "Rafael J. Wysocki" <> | Date | Thu, 16 Jun 2016 16:56:57 +0200 | Subject | Re: [PATCH] ACPI: don't show an error when we're not in charge of PCIe hotplug. |
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On Thu, Jun 16, 2016 at 2:12 AM, Rafael J. Wysocki <rafael@kernel.org> wrote: > On Thu, Jun 16, 2016 at 12:15 AM, Peter Jones <pjones@redhat.com> wrote: >> Right now when booting, on many laptops the firmware manages the PCIe >> bus. As a result, when we call the _OSC ACPI method, it returns an >> error code. Unfortunately the errors are not very articulate. > > What exactly do you mean here? > >> As a result, we show: >> >> ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-fe]) >> acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI] >> \_SB_.PCI0 (33DB4D5B-1FF7-401C-9657-7441C03DD766): _OSC invalid UUID >> _OSC request data: 1 1f 0 > > So _OSC told us that the UUID was invalid, didn't it?
BTW, the above messages are KERN_DEBUG, so at least in theory they shouldn't be visible in production runs.
Maybe the bug to fix is that they show up when they aren't supposed to?
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