linux-kernel - Re: build error on powerpc for 2.6.23-rc1-mm2

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Date:	Wed, 1 Aug 2007 09:44:42 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Rishikesh K Rajak <risrajak@...ibm.com>
Cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	Olof Johansson <olof@...om.net>
Subject: Re: build error on powerpc for 2.6.23-rc1-mm2

On Wed, 1 Aug 2007 13:52:05 +0530 Rishikesh K Rajak <risrajak@...ibm.com> wrote:

> 
> Hi Andrew,
> 
> I am getting following error on powerpc almost for allyesconfig,
> allmodconfig.
> 
> Error produced:
> 
> PowerPC: allmodconfig,allyesconfig
> 
>   CC      arch/powerpc/mm/tlb_64.o
> /home/risrajak/TEST2/TEST/linux/CurrentTest/23-rc1-mm2-testing/linux-2.6.23-rc1/arch/powerpc/lib/copyuser_64.S:
>  Assembler messages:
> /home/risrajak/TEST2/TEST/linux/CurrentTest/23-rc1-mm2-testing/linux-2.6.23-rc1/arch/powerpc/lib/copyuser_64.S:27:
>  Error: Unrecognized opcode: `mtocrf'
> /home/risrajak/TEST2/TEST/linux/CurrentTest/23-rc1-mm2-testing/linux-2.6.23-rc1/arch/powerpc/lib/copyuser_64.S:138:
>  Error: Unrecognized opcode: `mtocrf'
> /home/risrajak/TEST2/TEST/linux/CurrentTest/23-rc1-mm2-testing/linux-2.6.23-rc1/arch/powerpc/lib/copyuser_64.S:153:
>  Error: Unrecognized opcode: `mtocrf'
> /home/risrajak/TEST2/TEST/linux/CurrentTest/23-rc1-mm2-testing/linux-2.6.23-rc1/arch/powerpc/lib/memcpy_64.S:
>  Assembler messages:
> /home/risrajak/TEST2/TEST/linux/CurrentTest/23-rc1-mm2-testing/linux-2.6.23-rc1/arch/powerpc/lib/memcpy_64.S:15:
>  Error: Unrecognized opcode: `mtocrf'
> /home/risrajak/TEST2/TEST/linux/CurrentTest/23-rc1-mm2-testing/linux-2.6.23-rc1/arch/powerpc/lib/memcpy_64.S:131:
>  Error: Unrecognized opcode: `mtocrf'
> /home/risrajak/TEST2/TEST/linux/CurrentTest/23-rc1-mm2-testing/linux-2.6.23-rc1/arch/powerpc/lib/memcpy_64.S:146:
>  Error: Unrecognized opcode: `mtocrf'
> make[2]: *** [arch/powerpc/lib/memcpy_64.o] Error 1
> make[2]: *** Waiting for unfinished jobs....
>   CC      arch/powerpc/sysdev/mpic_u3msi.o
> make[2]: *** [arch/powerpc/lib/copyuser_64.o] Error 1
> make[1]: *** [arch/powerpc/lib] Error 2
> 

Presumably, disabling CONFIG_POWER4_ONLY would fix that.

It could be that your toolchain is insufficiently recent.  Which
version of binutils are you using?
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