From: "Miller, Mike (OS Dev)" <Mike.Miller@hp.com>
To: Sam Ravnborg <sam@ravnborg.org>
CC: Roland Dreier <rdreier@cisco.com>, LKML <linux-kernel@vger.kernel.org>,
       LKML-scsi <linux-scsi@vger.kernel.org>
Date: Wed, 30 Jul 2008 20:21:11 +0000
Subject: RE: Problems building 2.6.26 and 2.6.27-rc1
Thread-Topic: Problems building 2.6.26 and 2.6.27-rc1
Thread-Index: AcjygUJ4Jc5X5Q2kSkydMayogySe9gAAF10g
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References: <20080730184833.GA936@roadking.ldev.net>
 <adaiqunyyxd.fsf@cisco.com>
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 <20080730201754.GA10882@uranus.ravnborg.org>
In-Reply-To: <20080730201754.GA10882@uranus.ravnborg.org>
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Sam wrote:

>
> On Wed, Jul 30, 2008 at 08:07:28PM +0000, Miller, Mike (OS Dev) wrote:
> > Roland wrote:
> >
> > >
> > >  > I'm getting the following error when trying to build either
> > > 2.6.26 or  > 2.6.27-rc1:
> > >  >
> > >  > arch/x86/kernel/head64.c: In function 'x86_64_start_kernel':
> > >  > arch/x86/kernel/head64.c:88: error: size of array
> 'type name' is
> > > negative
> > >
> > > It looks like you're hitting
> > >
> > >         BUILD_BUG_ON(!(MODULES_VADDR > __START_KERNEL));
> > >
> > > No idea why you're hitting that though.  What's your .config and
> > > compiler?
> > >
> > I think maybe I've figured out what's breaking my build. If
> use "make -jN" I hit the error. I usually set N to the number
> of processors (real and HT). So if /proc/cpuinfo display info
> about 4 processors I use -j4, etc. If I don't specify the
> number of jobs to run simultaneously the build completes with
> just the usual warnings.
> >
> > Any experts on parallelism out there?
>
> Can you post the output of a make -j4 V=1 run that fials and
> one that succeeds.
> Then we can maybe spot something.
>
>         Sam
Sure. Not to be stupid, but do you want the entire output from the builds or just what would go to stderr?

-- mikem
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