Re: Realtime Preemption, 2.6.12, Beginners Guide?

[K.R. Foley]

K.R. Foley wrote:
> Karsten Wiese wrote:
>
> > Am Mittwoch, 13. Juli 2005 16:01 schrieb K.R. Foley:
> >
> > > Ingo Molnar wrote:
> > >
> > > > * Chuck Harding <charding@xxxxxxxx> 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.

--
   kr
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