[LAT] 2.6.29-rt1

[Fernando Lopez-Lezcano]

On Sat, 2009-03-28 at 14:17 +0100, Robin Gareus wrote:
> Fernando Lopez-Lezcano wrote:
> > On Fri, 2009-03-27 at 18:27 +0100, Robin Gareus wrote:
> >> Fernando Lopez-Lezcano wrote:
> >>> On Thu, 2009-03-26 at 22:20 +0100, Robin Gareus wrote:
> >>>> Fernando Lopez-Lezcano wrote:
> >>>>> On Thu, 2009-03-26 at 19:52 +0100, Robin Gareus wrote:
> >>>>> We've got a winner! 2.6.29-rt1
> >>>>>
> >>>>>> Hmmmm, getting close but not yet a winner :-) 
> >>>>>> I've been tracking the 2.6.29 rcx series and I'm still having some
> >>>>>> problems. 2.6.29-rt1 still does not shutdown correctly with my kernel
> >>>>>> configuration options (you need to specify "noreplace-smp" in the kernel
> >>>>>> startup line for shutdown to happen - otherwise you get a problem at the
> >>>>>> very end of the halt and the machine does not power down). 
> >>>> This is related to your BIOS or motherboard. Do you have the same
> >>>> problem with a vanilla 2.6.29?
> >>> I have not tested with vanilla 2.6.29 but the problem happens in several
> >>> very different machines. I have sent feedback to lkml/Thomas/Ingo. 
> >>>
> >> Can you upload your .config ? It might also be some missing ACPI option.
> > 
> > Attached...
> > 
> I just compiled a kernel with your .config and got a few surprises:
>  - 2.6.29-rt1-ccrma works just fine with "irqbalance"
>  - over here it shuts down and halts the system even without
>    "noreplace-smp" (intel core duo in a Thinkpad X60s)

Strange. Then it might be one of the additional Fedora patches that is
triggering a problem in rt (the Planet CCRMA rt kernel tries to be as
close as possible to a production Fedora kernel so it keeps mostly the
same configuration and patches - this one is based on an unreleased Koji
test build). 

>  - using x86 generic compatibility dramatically increases the size
>    kernel+modules MCORE2: 21MB ; i686+x86-generic: 250MB !
> 
> more later,

Thanks for the feedback!
-- Fernando