linux-kernel - Re: 2.6.24-rc1-git15 Kernel build fails on powerpc

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Date:	Tue, 06 Nov 2007 16:58:37 +0530
From:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
To:	balbir@...ux.vnet.ibm.com
CC:	johannes@...solutions.net, David Miller <davem@...emloft.net>,
	linuxppc-dev@...abs.org, sam@...nborg.org,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.24-rc1-git15 Kernel build fails on powerpc - Unrecognized
 opcode: `dssall'

David Miller wrote:
> From: Johannes Berg <johannes@...solutions.net>
> Date: Tue, 06 Nov 2007 11:54:46 +0100
> 
>>
>>>>   CHK     include/linux/compile.h
>>>>   AS      arch/powerpc/kernel/swsusp_32.o
>>>> arch/powerpc/kernel/swsusp_32.S: Assembler messages:
>>>> arch/powerpc/kernel/swsusp_32.S:138: Error: Unrecognized opcode: `dssall'
>>>> make[1]: *** [arch/powerpc/kernel/swsusp_32.o] Error 1
>>>> make: *** [arch/powerpc/kernel] Error 2
>>>>
>>> Looks suspiciously like an altivec issue. Could you compile with make
>>> V=1 and/or do a git bisect and see what broke?
>> Looks more like a toolchain issue to me.
> 
> Or, this is another instance of the "CFLAGS environment variable"
> problem.
> 
> For a few days, the kbuild stuff would integrate any CFLAGS,
> AFLAGS, etc. settings you might have set in your environment.

Hi Balbir,

The Build error of kernel compilation with V=1

make -f scripts/Makefile.build obj=arch/powerpc/kernel
make -f scripts/Makefile.build obj=arch/powerpc/kernel/vdso32
  gcc -m32 -Wp,-MD,arch/powerpc/kernel/.swsusp_32.o.d  -nostdinc -isystem /usr/lib/gcc/ppc64-redhat-linux/4.1.2/include -D__KERNEL__ -Iinclude  -include include/linux/autoconf.h -Iarch/powerpc -D__ASSEMBLY__ -Iarch/powerpc -Wa,-m405 -gdwarf-2     -c -o arch/powerpc/kernel/swsusp_32.o arch/powerpc/kernel/swsusp_32.S
arch/powerpc/kernel/swsusp_32.S: Assembler messages:
arch/powerpc/kernel/swsusp_32.S:138: Error: Unrecognized opcode: `dssall'
make[1]: *** [arch/powerpc/kernel/swsusp_32.o] Error 1
make: *** [arch/powerpc/kernel] Error 2

-- 
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
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