[LAU] pretty much frustrated about those rt-kernels!

[Dragan Noveski]

schoappied wrote:
> schoappied wrote:
>   
>> Ronald Stewart wrote:
>>   
>>     
>>> the best RT kernel  I have used is the good ol' 64studio version cooked by Free.
>>> I can run my entire studio environment with Indamixx opening apps such
>>> as ardour and hydrogen while streaming audio via IDJC over the net on
>>> battery with wifi and editing in audacity... no xruns no dropout in
>>> streaming audio while screen brightness/dims all at the same time.
>>> Likewise I can run idjc with skype and pidgin while doing my audio
>>> edits and production/multitracking in ardour or audacity with no
>>> problems.
>>> 800mhz I gig of RAM > rock solid and pocket sized.
>>> We worked 14months on this build to get it right for those guys out
>>> there who don't want to brew their own.  Lastly, we tried RT stuff
>>> from handy heron, ubuntu studio and others and they are not the type
>>> of RT that we offer.  I felt great when the off the shelf and home
>>> brew stuff fell way short of a true pro audio low latency experience.
>>>
>>> Thank you
>>>
>>> Ronald Stewart
>>> www.indamixx.com
>>>
>>> On Sat, Jul 5, 2008 at 6:03 PM, Mark Knecht <markknecht at gmail.com> wrote:
>>>   
>>>     
>>>       
>>>> On Sat, Jul 5, 2008 at 4:12 PM, schoappied <schoappied at gmail.com> wrote:
>>>>     
>>>>       
>>>>         
>>>>> Mark Knecht wrote:
>>>>>       
>>>>>         
>>>>>           
>>>>>> On Sat, Jul 5, 2008 at 8:46 AM, schoappied <schoappied at gmail.com> wrote:
>>>>>> <SNIP>
>>>>>>
>>>>>>         
>>>>>>           
>>>>>>             
>>>>>>> I've read on the debian irc channel that it is not necessary to do a
>>>>>>> rt-patch with the newest kernels (.25.10), just set in menu config:
>>>>>>>
>>>>>>> processor type and features >> preemtible  kernel (low -latency desktop)
>>>>>>>
>>>>>>> and Timer frequentie to 1000 Hz.
>>>>>>>
>>>>>>> Can anyone confirm this?
>>>>>>>
>>>>>>>           
>>>>>>>             
>>>>>>>               
>>>>>> Not at all true. That strategy will give you a good kernel, but it is
>>>>>> not a 'real-time' kernel. You're best bet is to use the specific patch
>>>>>> set supplied by Ingo and the RT team.
>>>>>>
>>>>>> Hope this helps,
>>>>>> Mark
>>>>>>
>>>>>>
>>>>>>         
>>>>>>           
>>>>>>             
>>>>> whow, Ive spend I think 20 hours to build a kernel but it constantly
>>>>> fails.... :( :( :(
>>>>>
>>>>> I tried everything with help from IRC and documentation, but different
>>>>> errors...
>>>>>
>>>>> for example: http://pastebin.com/m5bc649d
>>>>>
>>>>> I use a kernel for kernel.org and a rt-patch which fits it...
>>>>> I patch the files as described in this howto:
>>>>> http://forums.debian.net/viewtopic.php?t=17035&postdays=0&postorder=asc&start=0
>>>>>
>>>>> I use: make oldconfig (skip the questions with ENTER) and then make xconfig
>>>>> And set:
>>>>> rocessor type and features> Preemption Mode (Complete Preemption
>>>>> (Real-Time))
>>>>> Processor type and features>Timer frequency (1000 HZ)
>>>>>
>>>>> Then:
>>>>> $ make-kpkg clean ; export VER=$(date +'%Y%m%d')
>>>>> NAMEEXT="-$(hostname)-$(dpkg-architecture -qDEB_HOST_ARCH)"; make-kpkg
>>>>> --revision=$VER --append-to-version=$NAMEEXT --rootcmd fakeroot --initrd
>>>>> kernel_image kernel_headers
>>>>>
>>>>> Can it fails because of the new kernel versions I try to build?
>>>>> Or do I make errors in making the .config file?
>>>>>       
>>>>>         
>>>>>           
>>>> I'm not at all clear what this previous command does. the normal set
>>>> of build instructions at this point is very simple
>>>>
>>>> make && make modules_install
>>>>
>>>> Even if that isn't the 'Debian' way, is it possible to build and
>>>> install a kernel as the kernel designers intended it or does that not
>>>> work on Debian?
>>>>
>>>> Maybe there's another Debian user here who can help you. I'm Gentoo
>>>> based and it's pretty straight forward here.
>>>>
>>>> - Mark
>>>> _______________________________________________
>>>> Linux-audio-user mailing list
>>>> Linux-audio-user at lists.linuxaudio.org
>>>> http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
>>>>
>>>>     
>>>>       
>>>>         
>>> Where can I find the 64studio kernel and headers?
>>>     
>>>       
>> _______________________________________________
>> Linux-audio-user mailing list
>> Linux-audio-user at lists.linuxaudio.org
>> http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
>>
>>   
>>     
> I can only find *.udeb packages...
> Are there normal *.deb packages or can I get the .config file of the kernel?
> _______________________________________________
> Linux-audio-user mailing list
> Linux-audio-user at lists.linuxaudio.org
> http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
>
>   
in 64studio, have a look in the /usr/src directory. there are 3 of 
kernel subdirectories inside (not sure if the number 3 is 100% 
correctly) and in one of them, with 'ls -a' you 'll find the .config file.

cheers,
doc