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

schoappied schoappied at gmail.com
Sun Jul 6 07:57:52 EDT 2008


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?
>>     
>
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>
>   
I can only find *.udeb packages...
Are there normal *.deb packages or can I get the .config file of the kernel?



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