Re: Realtime Preemption, 2.6.12, Beginners Guide?

["K.R. Foley" <kr@cybsft.com>]

K.R. Foley wrote:
> K.R. Foley wrote:
>
> > Karsten Wiese wrote:
> >
> > > Am Mittwoch, 13. Juli 2005 16:01 schrieb K.R. Foley:
> > >
> > > > Ingo Molnar wrote:
> > > >
> > > > > * Chuck Harding <charding@llnl.gov> wrote:
> > > > >
> > > > >
> > > > >
> > > > > > > CC [M]  sound/oss/emu10k1/midi.o
> > > > > > > sound/oss/emu10k1/midi.c:48: error: syntax error before 
> > > > > > > '__attribute__'
> > > > > > > sound/oss/emu10k1/midi.c:48: error: syntax error before ')' token
> > > > > > >
> > > > > > > Here's the offending line:
> > > > > > >
> > > > > > > 48 static DEFINE_SPINLOCK(midi_spinlock __attribute((unused)));
> > > > > > >
> > > > > > > Lee
> > > > > >
> > > > > > I got it to compile but it won't boot - it hangs right after the
> > > > > > 'Uncompressing Linux... OK, booting the kernel' - I'm using .config
> > > > >
> > > > >
> > > > >
> > > > > > from 51-27 (attached)
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > and -51-27 worked just fine? I've uploaded -29 with the -28 io-apic 
> > > > > changes undone (will re-apply them once Karsten has figured out 
> > > > > what's wrong).
> > > > >
> > > > >     Ingo
> > > >
> > > >
> > > >
> > > > I too had the same problem booting -51-28 on my older SMP system at 
> > > > home. -51-29 just booted fine.
> > >
> > > Have I corrected the other path of ioapic early initialization, which 
> > > had lacked
> > > virtual-address setup before ioapic_data[ioapic] was to be filled in 
> > > -51-28?
> > > Please test attached patch on top of -51-29 or later.
> > > Also on Systems that liked -51-28.
> > >
> > >     thanks, Karsten
> > Karsten,
> >
> > Just booted on my 2.6 dual Xeon w/HT and thus far all is well. I am 
> > still building on the older SMP system that didn't like -51-28. Will 
> > report after I try booting that one.
> >
> > <snip>
>
> Just booted on my older SMP box that barfed on -51-28. It would appear 
> that the init problem is resolved.

DOH! All of the above is on -51-30 with Karsten's patch applied.

--
   kr
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