linux-kernel - Re: kernel BUG at kernel/kallsyms.c:222!

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Date:	Fri, 8 Nov 2013 15:13:00 +0800
From:	Ming Lei <tom.leiming@...il.com>
To:	Axel Lin <axel.lin@...ics.com>
Cc:	Rusty Russell <rusty@...tcorp.com.au>,
	Russell King <linux@....linux.org.uk>,
	Michal Marek <mmarek@...e.cz>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: kernel BUG at kernel/kallsyms.c:222!

Hi Axel,

On Fri, Nov 8, 2013 at 12:20 PM, Axel Lin <axel.lin@...ics.com> wrote:
>
>
> Hi Ming,
>
> I have patches on top of 3.12 to support gpl32700 SoC.
> So you cannot find this platform on mainline kernel.

OK, I see.

> I havn't tried perf, below is my config for your reference:
> (to make the config smaller, I grep out disabled config entries.)

I doubt CONFIG_VMSPLIT_3G/CONFIG_PAGE_OFFSET isn't
used at all in your unmerged patchset, also your link script should
be different with in-tree arch/arm/kernel/vmlinux.lds.S, otherwise
you may put all your kernel symbols after 0xC00000000.

Maybe you need to not define PAGE_OFFSET and let it be
PHYS_OFFSET at default, also VMSPLIT_3G shouldn't have
been there on non-MMU linux.


Thanks,
-- 
Ming Lei
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