Thread (22 messages) 22 messages, 5 authors, 2008-07-09

Re: [PATCH 0/3] sched: newidle and RT wake-buddy fixes

From: Gregory Haskins <hidden>
Date: 2008-07-08 12:48:01
Also in: lkml

quoted
quoted
On Thu, Jul 3, 2008 at 11:12 AM, in message [ref],
Ingo Molnar [off-list ref] wrote: 
* Ingo Molnar [off-list ref] wrote:
quoted
* Gregory Haskins [off-list ref] wrote:
quoted
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:
Hmm..my fix + your config booted for me at the time I submitted it.  I will try to repro
this issue with the new info.

Regards,
-Greg
 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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