Re: [patch] voluntary-preempt-2.6.8-rc3-O5

Peter Zijlstra
2004-08-10T18:33:48Z

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On Tue, 2004-08-10 at 15:26 +0200, Ingo Molnar wrote:
> i've uploaded the latest version of the voluntary-preempt patch:
>
> http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.8-rc3-O5
>
> -O5 fixes the APIC lockup issues. The bug was primarily caused by PCI
> POST delays causing IRQ storms of level-triggered IRQ sources that were
> hardirq-redirected. Also found some bugs in delayed-IRQ masking and
> unmasking. SMP should thus work again too.
>
> Ingo
Hi Ingo,

I've rediffed O5 agains 2.6.8-rc4-mm1-staircase. It compiles and boots
for me when using voluntary-preempt=1; 2 and 3 lock up the system right
after the line: 'Probing IDE interface ide1...' (dmesg & .config
included).

staircase patch used:
http://ck.kolivas.org/patches/2.6/2.6.8/2.6.8-rc4-mm1/from_2.6.8-rc4-
mm1_to_staircase7.I

Thanks for all the effort,

Peter Zijlstra

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