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From: "Cristian Rodríguez" <crrodriguez@opensuse.org>
To: Aaron Lu <aaron.lwe@gmail.com>
Cc: linux-kernel@vger.kernel.org,
	ACPI Devel Mailing List <linux-acpi@vger.kernel.org>
Subject: Re: acpi_backlight=vendor no longer working around buggy laptop from hell
Date: Sun, 28 Jul 2013 21:28:35 -0400	[thread overview]
Message-ID: <51F5C543.10103@opensuse.org> (raw)
In-Reply-To: <51F5BFF6.7080506@gmail.com>

El 28/07/13 21:05, Aaron Lu escribió:

> So does adding nox2apic still work for you with latest Linus' tree?

Yes, nox2apic makes things work again, but has always puzzled me why 
acpi_backlight=vendor made it work previously with no apparent bad side 
effect..

>> The only possible hint in the logs I could ever find is:
>>
>> [    3.844586] [Firmware Bug]: ACPI(PEGP) defines _DOD but not _DOS
>
> This is subtle, meaning the BIOS doesn't provide the required method.

Yeah, I wonder what Windows 7/8 is doing..does not seem to care about that..

      reply	other threads:[~2013-07-29  1:28 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <51F40114.9060607@opensuse.org>
2013-07-29  1:05 ` acpi_backlight=vendor no longer working around buggy laptop from hell Aaron Lu
2013-07-29  1:28   ` Cristian Rodríguez [this message]

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