linux-kernel - Re: 3.0 does not survive make -j [sic] on a kernel tree

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Message-ID: <20120204002435.GA3054@p183.telecom.by>
Date:	Sat, 4 Feb 2012 03:24:35 +0300
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 3.0 does not survive make -j [sic] on a kernel tree

On Fri, Feb 03, 2012 at 04:18:28PM -0800, Andy Lutomirski wrote:
> make clean ; make -j hangs quickly, 100% reproducibly.  The system
> answers pings but is otherwise completely unresponsive.  The
> softlockup detector output and eventual oom is below.  The system does
> not appear to recover.
> 
> The correct answer is "don't do that".  But this seems like poor behavior.

"make -j" is like fork bomb.
But if you turn on heavy debugging options, system might actually survive
to the completion.
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