On Mon, Sep 27, 2010 at 8:34 AM, Scott Lavender <[email protected]>wrote:
> Brian, > > A few thoughts about the -rt kernel. > > My understanding is that the -rt kernel is a product of the -generic kernel > with a -rt patch that is provide from upstream. Ingo NMolnar use to make > the patch, but I believe someone, or a couple of someones, make it now. It > should be noted that this patch was neither created nor available for all > released kernel versions. > > This yields trouble keeping the kernel versions in Ubuntu Studio and Ubuntu > aligned, which is desirable to many, many peoples and groups. Therefore, > the official decision was to remove the -rt kernel was removed from the > official archives (repositories). > > However, we are working towards getting the -lowlatency kernel into the > official archives and hope to have that as the default installed kernel in > Ubuntu Studio. > > That being said, many people still prefer the -rt kernel, among these I > believe firewire audio interface users are the primary audience. > > As noted, Alessio has a PPA with the -rt kernel, which appears to be > version 2.6.33. I should note that the kernel is maverick is 2.6.35, so > using the -rt kernel from Alessio's PPA may yield better performance but > with the loss of some hardware drivers and other improvements. This may not > be a problem from some people, but it should be noted so that people are > aware of the possibility. > > Finally, you might have experienced optimal (or at least satisfactory) > results with the previous -rt kernel. This may have been the 2.6.31 -rt > kernel. I contrast this with the 2.6.33 -rt kernel currently in Alessio's > PPA. > > I hope this provides some useful information. > > If you have further questions, or if anyone has corrections to anything I > said, please reply. > > Regards, > ScottL > > That all makes sense. I'll do some more testing with Alessio's kernels and see if I can get them to work well. Mike, I have been able to get this particular MacBook to run very solid in the past, so I know it's possible. -- -Brian David
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