[LAU] options for hard real time kernel for raring 13.04

[Marco Donnarumma]

sorry, had forgot the link, see the 4th reply at
http://askubuntu.com/questions/72964/how-can-i-install-a-realtime-kernel

--
Marco Donnarumma
New Media + Sonic Arts Practitioner, Performer, Teacher, Director.
Embodied Audio-Visual Interaction Research Team.
Department of Computing, Goldsmiths University of London
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Portfolio: http://marcodonnarumma.com
Research: http://res.marcodonnarumma.com
Director: http://www.liveperformersmeeting.net


On Wed, Sep 11, 2013 at 4:46 PM, Marco Donnarumma <devel at thesaddj.com>wrote:

> update:
>
> 1_ tried to install 3.10-2-rt-686-pae_3.10.7-1_i386.deb from
> http://packages.debian.org/jessie/linux-image-3.10-2-rt-686-pae, but it
> didn't like my initramfs-tools version (apparently too old for the new
> kernel) and installed without configuration so had to remove. See log:
>
> dpkg: dependency problems prevent configuration of initramfs-tools:
>  linux-image-3.10-2-rt-686-pae (3.10.7-1) breaks initramfs-tools (<<
> 0.110~) and is unpacked but not configured.
>   Version of initramfs-tools to be configured is 0.103ubuntu0.7.
>
> 2_ my low-latency kernel is 3.8.0*. I compiled my own rt-kernel, using
> http://www.kernel.org/pub/linux/kernel/v3.x/linux-3.2.48.tar.bz2 and its
> related rt patch, as in the tutorial that Jeremy posted. The kernel
> compiles and installs fine, but when I load it from grub, Mint load
> correctly, and then (before seeing anything on screen) my screen goes
> black. Nothing to do there, tried to use hotkeys to get a tty, restart, or
> shutdown, but had only to push the power button.
>
> It's probably an nvidia driver-related issue, am I correct?
>
> Found some suggestions about patching the nvidia driver with some custom
> code here [1], but the driver they use there is quite old. And last time I
> had fiddled with nvidia driver it was the most painful experience ever... :)
>
> Will investigate further, please throw me suggestions if any,
>
> I might ask falkTX how he sees the rt-kernel for 13.04. I saw there is
> some working on Launchpad, but they are last modified sept. 2012 (?).
>
> thank you!
> best,
> M
>
> [1]
>
>
>
> --
> Marco Donnarumma
> New Media + Sonic Arts Practitioner, Performer, Teacher, Director.
> Embodied Audio-Visual Interaction Research Team.
> Department of Computing, Goldsmiths University of London
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Portfolio: http://marcodonnarumma.com
> Research: http://res.marcodonnarumma.com
> Director: http://www.liveperformersmeeting.net
>
>
> On Wed, Sep 11, 2013 at 2:02 PM, Marco Donnarumma <devel at thesaddj.com>wrote:
>
>>  Did you consider building your own kernel? I'm using self-built RT
>>> kernels on Ubuntu 12.04 and that works great:
>>>
>>> http://wiki.linuxaudio.org/wiki/system_configuration#build_your_own_real-time_kernel
>>> And are you using rtirq?
>>> Alessio Abogani stopped maintaining th RT kernels for Ubuntu quite a
>>> while ago. You might want to ask falkTX about the possibilities of
>>> offering a raring RT kernel.
>>>
>>> Best,
>>>
>>> Jeremy
>>>
>>>
>> Hey Jeremy!
>>
>> Yes, that's the other thing I will try now, good to know it works on
>> 12.04.
>>
>> My pain in the a... is that I have to use nvidia drivers, and had
>> troubles some time ago with them and rt-kernels.
>>
>> Do you happen to know whether I need to patch nvidia support into the
>> rt-kernel I build? (I guess so... just to be sure)
>>
>> thanks!
>> best,
>> M
>>
>>
>>
>
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