Re: Realtime Preemption, 2.6.12, Beginners Guide?

From: K.R. Foley
Date: Thu Jul 14 2005 - 09:14:40 EST


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@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.


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

--
kr
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