linux-kernel - Re: [x86-tip] overflow in relocation type 11 val 39ffdd0e8690

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Date:	Fri, 6 Mar 2009 12:18:22 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Tejun Heo <tj@...nel.org>
Cc:	Jaswinder Singh Rajput <jaswinder@...nel.org>,
	x86 maintainers <x86@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Mike Galbraith <efault@....de>
Subject: Re: [x86-tip] overflow in relocation type 11 val 39ffdd0e8690


* Tejun Heo <tj@...nel.org> wrote:

> Jaswinder Singh Rajput wrote:
> > On Thu, 2009-03-05 at 22:25 +0100, Ingo Molnar wrote:
> >> * Jaswinder Singh Rajput <jaswinder@...nel.org> wrote:
> >>
> >>> On latest tip I am getting:
> >>>
> >>> [  124.169475] overflow in relocation type 11 val 39ffdd0e8690
> >>> [  124.169508] `msr_debug' likely not compiled with -mcmodel=kernel
> >>> [  146.582299] overflow in relocation type 11 val 39ffdd0e8690
> >>> [  146.582299] `msr_debug' likely not compiled with -mcmodel=kernel
> >>> [  836.653168] overflow in relocation type 11 val 39ffdd0e8690
> >>> [  836.653201] `msr_debug' likely not compiled with -mcmodel=kernel
> >>>
> >>> But 1d10914bf2c8 was working fine.
> > 
> > No it is also not fine :( for percpu.
> > 
> >> That's a linker bug - Tejun Cc:-ed.
> >>
> > 
> > Problem is basically with 64 bit percpu on 32 bit it is OK. Ahh, Here is
> > the solution:
> > 
> > http://lkml.org/lkml/2009/3/3/129
> > 
> > because of commit 8ac83757149 of Tejun Heo.
> 
> Yeah, patchset almost ready.  Please wait a bit more.
> 
> Thanks.

Latest tip:master should have your fixes for modules and kernel 
text getting farther than ~2GB apart from each other on 64-bit.

	Ingo
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