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DateThu, 3 Jul 2008 17:12:09 +0200
FromIngo Molnar <>
SubjectRe: [PATCH 0/3] sched: newidle and RT wake-buddy fixes
* Ingo Molnar <mingo@elte.hu> wrote:

> 
> * Gregory Haskins <ghaskins@novell.com> wrote:
> 
> > I may have found the issue: It looks like the hunk that initially 
> > disables interrupts in load_balance_newidle() was inadvertently 
> > applied to load_balance() instead during the merge to linux-tip.  If 
> > you fold the following patch into my original patch, it should set 
> > things right again.
> 
> ah, sorry - indeed! I've reactivated your patch and i'm testing it 
> now.

-tip testing found that it still hangs at:

 Intel machine check architecture supported.
 Intel machine check reporting enabled on CPU#1.
 x86 PAT enabled: cpu 1, old 0x7040600070406, new 0x7010600070106
 CPU1: AMD Athlon(tm) 64 X2 Dual Core Processor 3800+ stepping 02
 Brought up 2 CPUs
 Total of 2 processors activated (8044.97 BogoMIPS).
 [...]

with this config:

  http://redhat.com/~mingo/misc/config-Thu_Jul__3_16_49_53_CEST_2008.bad

on 3 separate test-systems.

I've again reverted both your fixup and the original commit. I've pushed 
out the failing tree to the tmp.sched/devel.fe6149f5e82 -tip branch, you 
should be able to reproduce it.

	Ingo


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