linux-kernel - Re: Strange linux-next build error

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Message-ID: <20080503224018.GB18344@elte.hu>
Date:	Sun, 4 May 2008 00:40:18 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Daniel Hazelton <dhazelton@...er.net>
Cc:	Sam Ravnborg <sam@...nborg.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	LKML <linux-kernel@...r.kernel.org>,
	Pavel Machek <pavel@...e.cz>, linux-next@...r.kernel.org
Subject: Re: Strange linux-next build error


* Daniel Hazelton <dhazelton@...er.net> wrote:

> > Can you try to do a:
> > make V=1 and post the output a few screen fulls before and until
> > the bug triggers.
> > They I will see if I can work out what is happening.
> >
> > Thanks,
> > 	Sam
> 
> I've been unable to trigger it with "make V=1 bzImage" - does the 
> verbosity change, somehow, the default number of makes that get run ?
> 
> If it does, I could try adding -j2 or similar to see if that causes it 
> to trigger.

try something like:

   make -j2 V=1 bzImage >log.txt 2>&1

and see whether the error shows up in log.txt. Console output caused by 
the increased verbosity (especially if it's a slower console like an 
xterm) can hide build races.

	Ingo
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