Hardware related test cases.

[Damir B]

Hi Gabriel,

Believe you me, there is definitely hardware testing going on
 for each and every release of Ubuntu, include updates to packages 
related to hardware components like GPU.

The problem is, as I am 
sure you are aware, the hardware market is very open.....Tons and tons 
of combinations of laptops (makes/models) running even more varied 
combinations of GPUs. In your case, it seems an update to Xorg has 
slowed down the performance of Ubuntu overall on your laptop because the
 update was maybe not optimized for your specific combination of 
hardware. How can that be prevented in the future? Well, most of us who 
do "hardware related testing" do so with the hardware that we personally
 own and use. This means in your case, nobody will the same make/model 
as you tested the performance of Xorg, or maybe they did but didn't 
report an issue.

To prevent in the future, you could subscribe to
 an unstable PPA for Xorg and report issues with your specific hardware 
to the developers BEFORE they release it publicly through a stable PPA 
or in this case, probably an official Ubuntu repo.

Hope you see how this sort of thing occurs and how you can help to prevent similar issues in the future, 

Damir


> Date: Thu, 22 Jan 2015 07:41:18 -0300
> Subject: Hardware related test cases.
> From: gabriel.velo at gmail.com
> To: ubuntu-quality at lists.ubuntu.com
> 
> Hello QA team,
> 
> Is there any way to help to avoid this kind of bugs popup in every
> distribution upgrade ?
> 
> https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1386721
> 
> Is there any test cases related to hardware performance,  video performance
> specifically . Bugs like this has the potential to make a laptop unusable
> after the dist upgrade.
> 
> I'd like to help trying to avoid this kind of bugs in future releases,
> 
> Any guidance is welcome :-)
> 
> -- 
> Gabriel.
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