Re: CentOS 7 + Dell Latitude E6420 laptop = thermalshutdown

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----- Oorspronkelijk bericht -----
Van: "Nathan Duehr" <denverpilot@xxxxxx>
Aan: "CentOS mailing list" <centos@xxxxxxxxxx>
Verzonden: Zaterdag 20 juni 2015 02:06:18
Onderwerp: Re:  CentOS 7 + Dell Latitude E6420 laptop = thermalshutdown

We also saw some problems with recent Dell machines with “SpeedStep” or whatever Intel calls their power/speed management these days.

One developer measured a very significant increase in speed after completely disabling support for it in his kernel on multiple Linux variants.

I don’t have the details from him, but he said the system went from “almost unusable on a daily basis”, to, “I can actually get things done”.

He mainly uses it as a desktop replacement, so he didn’t care about any benefits from power management to save battery, etc.

Very “informal” note… I don’t have the data to turn in bug reports, or time to chase it down.  

He shared what he did informally with a couple of other devs and “hallway discussions” have indicated that they also agreed that they had better performance from the machines.

--
Nate Duehr
denverpilot@xxxxxx

> On Jun 19, 2015, at 13:57, johan.vermeulen7@xxxxxxxxxx wrote:
> 
> 
> 
> ----- Oorspronkelijk bericht -----
> Van: "Nicolas Thierry-Mieg" <Nicolas.Thierry-Mieg@xxxxxxx>
> Aan: "CentOS mailing list" <centos@xxxxxxxxxx>
> Verzonden: Woensdag 17 juni 2015 14:46:37
> Onderwerp: Re:  CentOS 7 + Dell Latitude E6420 laptop = thermalshutdown
> 
> On 06/17/2015 04:49 AM, deoren wrote:
>> 
>> I'm still puzzled why the laptop appears to lockup when attempting to
>> login to the desktop environment when using CentOS, but not Ubuntu
>> 15.04. Any thoughts there?
> 
> I can't remember the whole thread but it seems you have an nvidia GPU 
> and are using nouveau? If so, try installing nvidia-detect and then the 
> correct nvidia driver for your system (from elrepo), and see if that 
> helps. Could be a nouveau problem.
> 
> http://elrepo.org/tiki/nvidia-detect
> 
> Hello,
> 
> I have received 4 of these machines today, with Nvidia graphics.
> I installed all 4 ( first minimal install, then Mate ) and that went ok.
> So far they didn't shut down.

> 
> greetings, Johan

Hello All,

installing these laptops went ok, but indeed, they shutdown on logon.
When coming back up, I get a bios warning about temperature.
On my first attempt on installing Nvidia driver, I wrecked the laptop.
To be continued.

greetings, Johan

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