Re: [ubuntu-studio-devel] kernel vs DE WAS:Re: Feature Spec discussion: ubuntustudio-desktop

2014-05-19 Thread lukefromdc
The kernel used was the default in a pre-release Saucy DVD installer 
dated August 2, 2013

On 5/19/2014 at 5:16 PM, "Kaj Ailomaa"  wrote:
>
>On Mon, May 19, 2014, at 07:23 PM, lukefro...@hushmail.com wrote:
>> That's exactly what I am saying. It was a pre-release version of 
>US I was 
>> playing with, but with the move from a Raring based to a Saucy
>> development
>> version the rt kernel had a broken video driver (radeon r600).  
>If that
>> driver
>> is working in current rt kernels that issue may have come and 
>gone, but 
>> the fact that it got out at all means that the rt patch set has 
>broken
>> drivers
>> before and could do so again.
>> 
>> Since I edit video, the rt kernel is not needed for my normal 
>workflow
>> and is
>> not installed in my normal operating system
>> 
>
>We won't ship a rt kernel by default, or at least not have it as 
>the
>default option during boot. Linux-lowlatency is more or less equal 
>to
>linux-generic, and will most probably never have graphic driver 
>issues.
>So, no problems there :)
>
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Re: [ubuntu-studio-devel] kernel vs DE WAS:Re: Feature Spec discussion: ubuntustudio-desktop

2014-05-19 Thread Kaj Ailomaa


On Mon, May 19, 2014, at 07:23 PM, lukefro...@hushmail.com wrote:
> That's exactly what I am saying. It was a pre-release version of US I was 
> playing with, but with the move from a Raring based to a Saucy
> development
> version the rt kernel had a broken video driver (radeon r600).  If that
> driver
> is working in current rt kernels that issue may have come and gone, but 
> the fact that it got out at all means that the rt patch set has broken
> drivers
> before and could do so again.
> 
> Since I edit video, the rt kernel is not needed for my normal workflow
> and is
> not installed in my normal operating system
> 

We won't ship a rt kernel by default, or at least not have it as the
default option during boot. Linux-lowlatency is more or less equal to
linux-generic, and will most probably never have graphic driver issues.
So, no problems there :)

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Re: [ubuntu-studio-devel] kernel vs DE WAS:Re: Feature Spec discussion: ubuntustudio-desktop

2014-05-19 Thread lukefromdc
That's exactly what I am saying. It was a pre-release version of US I was 
playing with, but with the move from a Raring based to a Saucy development
version the rt kernel had a broken video driver (radeon r600).  If that driver
is working in current rt kernels that issue may have come and gone, but 
the fact that it got out at all means that the rt patch set has broken drivers
before and could do so again.

Since I edit video, the rt kernel is not needed for my normal workflow and is
not installed in my normal operating system

On 5/19/2014 at 6:17 AM, "Kaj Ailomaa"  wrote:
>
>On Sun, May 18, 2014, at 07:59 PM, lukefro...@hushmail.com wrote:
>> Watch out for rt-kernel issues with 3d desktops. When I was 
>trying to
>> develop a 
>> metapackage for Cinnamon against Saucy, I had issues with some 
>rt kernel 
>> versions being unable to run the 3d desktop. I would expect 
>similar
>> issues both
>> with Unity and with Gnome.
>> 
>> The work I was doing was seriously hampered by the fact that my 
>own
>> install 
>> upon which it was based has diverged so far from anyone's default
>> install.
>> If you want to support GNOME and Unity, watch out for rt-kernel 
>bugs
>> affecting
>> at least the radeon/r600g video driver. I don't know if those 
>made it
>> into 
>> Saucy's released kernel, but those were what made me throw in 
>the towel.
>> 
>
>Are you saying you had problems getting accelerated graphics to 
>work?
>I would believe free drivers always work, while non-free ones 
>installed
>from the repo may not build for a custom kernel, unless done 
>manually -
>but I suppose this was not your problem.
>
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[ubuntu-studio-devel] kernel vs DE WAS:Re: Feature Spec discussion: ubuntustudio-desktop

2014-05-19 Thread Kaj Ailomaa
On Sun, May 18, 2014, at 07:59 PM, lukefro...@hushmail.com wrote:
> Watch out for rt-kernel issues with 3d desktops. When I was trying to
> develop a 
> metapackage for Cinnamon against Saucy, I had issues with some rt kernel 
> versions being unable to run the 3d desktop. I would expect similar
> issues both
> with Unity and with Gnome.
> 
> The work I was doing was seriously hampered by the fact that my own
> install 
> upon which it was based has diverged so far from anyone's default
> install.
> If you want to support GNOME and Unity, watch out for rt-kernel bugs
> affecting
> at least the radeon/r600g video driver. I don't know if those made it
> into 
> Saucy's released kernel, but those were what made me throw in the towel.
> 

Are you saying you had problems getting accelerated graphics to work?
I would believe free drivers always work, while non-free ones installed
from the repo may not build for a custom kernel, unless done manually -
but I suppose this was not your problem.

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