linux-kernel - Re: hot CPU with 3.6.0-rc7+ and intel graphic

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <5066F5D6.1000105@gmx.de>
Date:	Sat, 29 Sep 2012 15:21:26 +0200
From:	Toralf Förster <toralf.foerster@....de>
To:	Feng Tang <feng.tang@...el.com>,
	Samuel Ortiz <sameo@...ux.intel.com>
CC:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Daniel Mack <zonque@...il.com>
Subject: Re: hot CPU with 3.6.0-rc7+ and intel graphic

Just to state it out explicitely, the power saving RC6 is broken on the GPU.

On 09/29/2012 10:16 AM, Toralf Förster wrote:
> 
> Hello,
> 
> I'm observed hot CPUs at my ThinkPad T420 (i5-2540M CPU) w/ integrated
> intel graphic with current git
> Powertop-2.1 shows that the GPU is always at 100%.
> 
> .config is attached
> 
> 
> I bisected this to
> 
> 
> commit a0e35322910555e20e9eced3f050a76c7b3a1f92
> Author: Feng Tang <feng.tang@...el.com>
> Date:   Thu Aug 16 15:50:10 2012 +0800
> 
>     mfd: lpc_ich: Fix a 3.5 kernel regression for iTCO_wdt driver



-- 
MfG/Sincerely
Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
--
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/