Messages in this thread | | | Date | Wed, 07 Feb 2007 11:25:02 +0100 | From | John <> | Subject | Re: One-shot high-resolution POSIX timer periodically late |
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Peter Zijlstra wrote:
> John wrote: > >> Ingo Molnar wrote: >> >>> John wrote: >>> >>>> John Stultz wrote: >>>> >>>>> Also do check the -rt tree as Ingo suggested. I mis-read your earlier >>>>> email and thought you were running it. >>>> >>>> I've been pulling my hair over a related issue for the past two days. >>>> >>>> (I think I may be tickling a -hrt bug...) >>>> >>>> I'm working with 2.6.18.6 + patch-2.6.18-rt7 >>> >>> 2.6.18-rt7 is pretty old, do you see the problem in 2.6.20-rc6-rt5 too? >> >> Ingo, Thomas, >> >> As far as I can tell, the -rt patch set is only updated for the latest >> kernel version available. Is that correct? >> >> http://people.redhat.com/mingo/realtime-preempt/older/?M=D >> >> In other words, once 2.6.20 is released, and work starts on 2.6.21, if a >> bug is discovered in -rt, the fix will not be back-ported to the >> 2.6.20.x (and 2.6.19.x, and 2.6.18.x, etc) patch set? > > Correct, there is only 1 live branch.
Are there people that use the -rt patch set in real industrial applications?
It seems that, if an important bug is found in the -rt part, I will have to either upgrade to the latest kernel, or back port all the -rt changes to the kernel I chose for my application?
Regards,
John
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