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Re: realtime kernel for Debian


On Wed, May 13, 2009 at 11:35:17AM +0200, Uwe Kleine-König wrote:
> Hi,
> >>> I was wondering about how far are we with implementing a RT kernel in 
> >>>  Debian... Some progress here? Would be nice.
> >>>     
> >> The patch I created that "fits" on Debian's vanilla kernel creates
> >> conflicts on the sources with the Debian patches.
> >> I hope to be able to clean that up by minimizing the -rt series (e.g.
> >> the first broken out patch consists usually of various bits from the
> >> -tip tree that are (AFAIK) not all needed.)
> >>
> >> So just have some more patience.
> >>
> >>   
> > How are things going? Just interest...
> Hhhm, well, I spottet a problem.  The thing is that linux-rt does many
> deep changes in the kernel and I won't be able to support the harder
> problems.  And upstream probably won't help because the Debian rt-kernel
> isn't a vanilla rt-kernel.  Moreover even the broken out rt-patch isn't
> nicely sorted (e.g. bisectable, some patches undo changes of other
> patches earier in the series etc. pp), so I fear the Debian kernel team
> isn't filled with enthusiasm when asked to add an rt variant.
> I already thought about packaging debian-kernel + rt for Debian and
> vanilla-kernel + rt for a non-Debian package repository such that it's
> easy for bug reporters to try out a vanilla kernel.  But that still needs
> more work.
OK, the vanilla-kernel + rt is done.  See


for an announcment and 


for the documentation how to install it.

Best regards

Pengutronix e.K.                              | Uwe Kleine-König            |
Industrial Linux Solutions                    | http://www.pengutronix.de/  |

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