linux-kernel - Re: 2.6.24-git2: Oracle 11g VKTM process enters R state on startup and is unkillable [still broken in 2.6.25-rc1]

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Message-Id: <1202823858.6247.26.camel@lappy>
Date:	Tue, 12 Feb 2008 14:44:18 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Alessandro Suardi <alessandro.suardi@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: 2.6.24-git2: Oracle 11g VKTM process enters R state on startup
	and is unkillable [still broken in 2.6.25-rc1]


On Tue, 2008-02-12 at 00:12 +0100, Rafael J. Wysocki wrote:
> On Monday, 11 of February 2008, Ingo Molnar wrote:
> > 
> > * Ingo Molnar <mingo@...e.hu> wrote:
> > 
> > > no, they were not lost, they just didnt pass QA here (they crashed on 
> > > a particularly hard to debug 8-way box i have) and Peter worked on 
> > > that queue of fixes up until today to get it really correct. Could you 
> > > check:
> > > 
> > >    git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched.git
> > > 
> > > combo patch below as well - whichever you prefer. The shortlog can be 
> > > found below as well - but i dont yet consider this pullable, i'd like 
> > > it to see pass a full night of randconfig tests on my test-systems.
> > 
> > ok, we just found the reason for the 8-way crash, the delta fix from 
> > Peter is below if any of you have tried the previous combo patch. 
> > Updated sched.git as well, new HEAD is 
> > fec13e45305d69fd0bd23b30bd05a0a42cf341f8.
> 
> With the previous patch and this patch applied, the issue is not reproducible
> here.

Did you enable CONFIG_RT_GROUP_SCHED (it defaults to n)?

If you didn't, could you try with it set to y?

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