linux-kernel - Re: Bus error on make allyesconfig, kernelbuild with HEAD

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Message-ID: <20100729121002.GC13192@faui48a.informatik.uni-erlangen.de>
Date:	Thu, 29 Jul 2010 14:10:02 +0200
From:	Christoph Egger <siccegge@...fau.de>
To:	Américo Wang <xiyou.wangcong@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Bus error on make allyesconfig, kernelbuild with HEAD

On Thu, Jul 29, 2010 at 07:26:00PM +0800, Américo Wang wrote:
> On Thu, Jul 29, 2010 at 6:52 PM, Christoph Egger <siccegge@...fau.de> wrote:
> > Hi all!
> >
> >    Building the linux kernel, as well as doing a"make allyesconfig"
> > on a fresh checkout of linux HEAD results in the same Bus Error in
> > fixdep (details below). This is a i5 box running 32bit Ubuntu Lucid
> > with plenty of (free) RAM. Haven't found any hints to what might be
> > wrong on scanning over the web archives.
> >
> > Regards
> >
> >    Christoph
> >
> > -----
> >  % make allyesconfig
> >  HOSTCC  scripts/basic/fixdep
> > fixdep: mmap: Cannot allocate memory
> 
> So what does 'ls -lh scripts/basic/.fixdep.d' say?
> Seems this file is too big...

Also I don't get the mmap stuff if I call fixdep directly (the way I
think it is called staring at the build system) -- it still dies with
an bus error:

=======
% scripts/basic/fixdep scripts/basic/.fixdep.d scripts/basic/fixdep "gcc -Wp,-MD,scripts/basic/.fixdep.d -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer     -o  scripts/basic/fixdep scripts/basic/fixdep.c" 
cmd_scripts/basic/fixdep := gcc -Wp,-MD,scripts/basic/.fixdep.d -Wall  -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer  -o scripts/basic/fixdep scripts/basic/fixdep.c

deps_scripts/basic/fixdep := \
  scripts/basic/fixdep.c \
    $(wildcard include/config/his/driver.h) \
    $(wildcard include/config/my/option.h) \
    $(wildcard include/config/.h) \
    $(wildcard include/config/foo.h) \
    $(wildcard include/config/boom.h) \
zsh: bus error  scripts/basic/fixdep scripts/basic/.fixdep.d  scripts/basic/fixdep
=======

gdb isn't of any use for that unfortunately

valgrund:
=======
==11601== Process terminating with default action of signal 7 (SIGBUS)
==11601==  Non-existent physical address at address 0x64F2B000
==11601==    at 0x8048BF0: parse_dep_file (in /var/tmp/siccegge/letssee/scripts/basic/fixdep)
=======
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