linux-kernel - Re: 2.6.25-rc8-mm2: boot hang after "ACPI: using IOAPIC for interrupt routing"

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Date:	Sat, 12 Apr 2008 01:07:15 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Christoph Lameter <clameter@....com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: 2.6.25-rc8-mm2: boot hang after "ACPI: using IOAPIC for
	interrupt routing"

On Fri, Apr 11, 2008 at 01:35:28PM +0300, Pekka Enberg wrote:
> On Fri, 2008-04-11 at 10:29 +0400, Alexey Dobriyan wrote:
> > On Thu, Apr 10, 2008 at 08:33:54PM -0700, Andrew Morton wrote:
> > > - git-slub has been temporarily replaced by git-pekka.  Pekka is standing in
> > >   while Christoph is away.
> > 
> > I bisected boot hang after "ACPI: using IOAPIC for interrupt routing"
> > down to git-pekka.
> > 
> > normal dmesg from 2.6.25-rc8-something and .config snippets for -mm
> 
> Alexey, can you try passing the 'slub_nomerge' option to the kernel to
> see if the hang goes away with that?

nomerge doesn't help as well as turning on combinations of SLUB debug options.

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