linux-kernel - RE: x86/non-x86: percpu, node ids, apic ids x86.git fixup

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Date:	Wed, 30 Jan 2008 16:57:37 -0800
From:	"Luck, Tony" <tony.luck@...el.com>
To:	"Luck, Tony" <tony.luck@...el.com>, "Ingo Molnar" <mingo@...e.hu>
Cc:	"Mike Travis" <travis@....com>,
	"Geert Uytterhoeven" <Geert.Uytterhoeven@...ycom.com>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"Linux Kernel Development" <linux-kernel@...r.kernel.org>,
	"Linux/PPC Development" <linuxppc-dev@...abs.org>,
	<linux-ia64@...r.kernel.org>, <sparclinux@...r.kernel.org>
Subject: RE: x86/non-x86: percpu, node ids, apic ids x86.git fixup

> I'll start digging on why this doesn't boot ... but you might as well
> send the fixes so far upstream to Linus so that the SMP fix is available

Well a pure 2.6.24 version compiled with CONFIG_SMP=n booted just fine, so
the breakage is recent ... and more than likely related to this change.

I've only had a casual dig at the failing case ... kernel dies in memset()
as called from kmem_cache_alloc() with the address being written as
0x4000000000117b48 (which is off in the virtual address space range used
by users ... not a kernel address).

I'll dig some more tomorrow.

-Tony
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