linux-kernel - 2.6.31-rc3: include/trace/events/kmem.h:47: undefined reference to `.L1600' (was: Kernel build failure.)

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Date:	Tue, 14 Jul 2009 14:34:29 +0200
From:	Andreas Mohr <andi@...as.de>
To:	Rakib Mullick <rakib.mullick@...il.com>
Cc:	Sam Ravnborg <sam@...nborg.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: 2.6.31-rc3: include/trace/events/kmem.h:47: undefined reference to
	`.L1600' (was: Kernel build failure.)

Hi,

I'm facing the same issue on RHEL3, gcc 3.4.0:

  CC [M]  lib/ts_fsm.o
  CC      arch/x86/lib/msr.o
  CC      arch/x86/lib/atomic64_32.o
arch/x86/lib/atomic64_32.c: In function `cmpxchg8b':
arch/x86/lib/atomic64_32.c:14: warning: read-write constraint does not allow a register
arch/x86/lib/atomic64_32.c:14: warning: read-write constraint does not allow a register
  LD      arch/x86/lib/built-in.o
  AS      arch/x86/lib/checksum_32.o
  CC      arch/x86/lib/delay.o
  AS      arch/x86/lib/getuser.o
  CC      arch/x86/lib/memcpy_32.o
  AS      arch/x86/lib/putuser.o
  AS      arch/x86/lib/semaphore_32.o
  CC      arch/x86/lib/string_32.o
  CC      arch/x86/lib/strstr_32.o
  AS      arch/x86/lib/thunk_32.o
  CC      arch/x86/lib/usercopy_32.o
  AR      arch/x86/lib/lib.a
  LD      vmlinux.o
  MODPOST vmlinux.o
WARNING: modpost: Found 1 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
  GEN     .version
  CHK     include/linux/compile.h
  UPD     include/linux/compile.h
  CC      init/version.o
  LD      init/built-in.o
  LD      .tmp_vmlinux1
drivers/built-in.o(.init.text+0x4938): In function `con_init':
include/trace/events/kmem.h:47: undefined reference to `.L1600'
make: *** [.tmp_vmlinux1] Error 1

OK, it might be tool failure (especially given the asm warnings above),
but all older kernels did build fine (last was 2.6.29-rc7).

Will now disable tracer and retry, should ""fix"" that problem I think.

Andreas Mohr
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