linux-kernel - Re: linux-next: Tree for March 8 (BROKEN: arch/x86/kernel/entry

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Date:	Tue, 8 Mar 2011 16:28:26 +0100
From:	Sedat Dilek <sedat.dilek@...glemail.com>
To:	"H.J. Lu" <hjl.tools@...il.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Matthias Klose <doko@...ian.org>,
	linux-next <linux-next@...r.kernel.org>,
	debian-gcc <debian-gcc@...ts.debian.org>,
	binutils <binutils@...rceware.org>, psomas@...ab.ece.ntua.gr,
	JBeulich@...ell.com, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: Tree for March 8 (BROKEN: arch/x86/kernel/entry_32.S?
 Debian's binutils/as?)

On 3/8/11, H.J. Lu <hjl.tools@...il.com> wrote:
> On Tue, Mar 8, 2011 at 2:44 AM, Sedat Dilek <sedat.dilek@...glemail.com>
> wrote:
>> Hi,
>>
>> my build of linux-next (next-20110308, the same with the one from
>> yesterday) is broken.
>> (I translated the German output.)
>>
>> [ build.log ]
>>  AS      arch/x86/kernel/entry_32.o
>> /home/sd/src/linux-2.6/linux-2.6.38-rc7/debian/build/source_i386_none/arch/x86/kernel/entry_32.S:
>> Assembler messages:
>> /home/sd/src/linux-2.6/linux-2.6.38-rc7/debian/build/source_i386_none/arch/x86/kernel/entry_32.S:1421:
>> Error: .size expression does not evaluate to a constant
>> make[6]: *** [arch/x86/kernel/entry_32.o] Fehler 1 (Error 1)
>> make[5]: *** [arch/x86/kernel] Fehler 2 (Error 2)
>> make[4]: *** [arch/x86] Fehler 2 (Error 2)
>> make[4]: *** Warte auf noch nicht beendete Prozesse... (Waiting for
>> unfinished jobs...)
>>
>
> This is a kernel bug.  Please use the latest binutils from CVS.
> It will tell you which symbol causes this.
>
>
> --
> H.J.
>

Yeah, I have cherry-picked these two upstream commits before you have
mentionned it...

0001-Mention-symbol-name-in-non-constant-.size-expression.patch
       (Cherry-picked from commit b9521fc0be7945fc842ce1197e241a023378125d)
0002-Revert-the-last-change-on-gas-elf-bad-size.err.patch
       (Cherry-picked from commit cbd141bb69f791de7ea1581abe7afb34f0c61288)

... and have built with them a new binutils Debian package.

The error looks now like this (sorry for the German output):
...
  AS      arch/x86/kernel/entry_32.o
/home/sd/src/linux-2.6/linux-2.6.38-rc7/debian/build/source_i386_none/arch/x86/kernel/entry_32.S:
Assembler messages:
/home/sd/src/linux-2.6/linux-2.6.38-rc7/debian/build/source_i386_none/arch/x86/kernel/entry_32.S:1421:
Error: .size expression with symbol `apf_page_fault' does not evaluate
to a constant
make[6]: *** [arch/x86/kernel/entry_32.o] Fehler 1
make[5]: *** [arch/x86/kernel] Fehler 2
make[5]: *** Warte auf noch nicht beendete Prozesse...

Anyway, before more riddling around it would be very helpful to have a
clear pointer if there is a fix around... That building, testing and
installing took me now several hours.
And... yeah, backports to 2.21-branch appreciated.

- Sedat -
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