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From: "Rafael J. Wysocki" <rafael@kernel.org>
To: Peter Jones <pjones@redhat.com>
Cc: ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	Mario Limonciello <Mario_Limonciello@dell.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Len Brown <lenb@kernel.org>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	Andy Lutomirski <luto@amacapital.net>
Subject: Re: [PATCH] ACPI: don't show an error when we're not in charge of PCIe hotplug.
Date: Thu, 16 Jun 2016 16:56:57 +0200	[thread overview]
Message-ID: <CAJZ5v0ifNFP5jzPf+zMC3rJ1HKzBmCz1AdhsAsmj75EpndoPTQ@mail.gmail.com> (raw)
In-Reply-To: <CAJZ5v0g5_M=iNLE_P4eOcwJet=jPm_EifAMdDtvG+TR=1AnU2Q@mail.gmail.com>

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?

  reply	other threads:[~2016-06-16 14:57 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-15 22:15 [PATCH] ACPI: don't show an error when we're not in charge of PCIe hotplug Peter Jones
2016-06-16  0:12 ` Rafael J. Wysocki
2016-06-16 14:56   ` Rafael J. Wysocki [this message]
2016-06-21 15:18     ` Peter Jones
2016-06-21 18:01       ` Mario_Limonciello
2016-06-21 18:07         ` Andy Lutomirski
2016-06-21 22:54           ` Rafael J. Wysocki
2016-06-21 22:51         ` Rafael J. Wysocki
2016-06-22 19:43           ` Mario_Limonciello
2016-06-22 20:53             ` Andy Lutomirski
2016-06-22 22:47               ` Rafael J. Wysocki
2016-06-23 15:38                 ` Mario_Limonciello

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