linux-kernel - Re: acpi_backlight=vendor no longer working around buggy laptop from hell

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <51F5C543.10103@opensuse.org>
Date:	Sun, 28 Jul 2013 21:28:35 -0400
From:	Cristian Rodríguez <crrodriguez@...nsuse.org>
To:	Aaron Lu <aaron.lwe@...il.com>
CC:	linux-kernel@...r.kernel.org,
	ACPI Devel Mailing List <linux-acpi@...r.kernel.org>
Subject: Re: acpi_backlight=vendor no longer working around buggy laptop from
 hell

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..


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/