linux-kernel - Re: [BUG] Linux 2.6.23-rc9 and MAX_ARG

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Message-Id: <1191518270.5574.21.camel@lappy>
Date:	Thu, 04 Oct 2007 19:17:50 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Mathieu Chouquet-Stringer <mchouque@...e.fr>
Cc:	Ollie Wild <aaw@...gle.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Adrian Bunk <bunk@...sta.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [BUG] Linux 2.6.23-rc9 and MAX_ARG_PAGES


On Thu, 2007-10-04 at 19:05 +0200, Mathieu Chouquet-Stringer wrote:
> Hey there,
> 
> I've seen the changes you made in commit b6a2fea39318 and I guess they
> might be responsible for my xargs breakage...
> 
> In the kernel source tree, if I run a stupid find | xargs ls, I now get
> this:
> xargs: ls: Argument list too long

/me tries

yep works like a charm, and that is a tree with a full git repo and
several build dirs in it.

> Which is kind of annoying but I can work around it though make distclean in
> my kernel tree dies with the same symptom (aka -E2BIG).
> 
> I run a vanilla 2.6.23-rc9 (Linux version 2.6.23-rc9 (mchouque@...okaylt)
> (gcc version 4.1.2 20070925 (Red Hat 4.1.2-27)) #1 Tue Oct 2 08:13:47 EDT
> 2007) on FC7...
> 
> Let me know if I can do anything.  I'm going to try to bisect the problem
> after I recompile the kernel without this patch...

what happens if you up the stack limit to say 128M ?

Also, do you happen to have execve syscall audit stuff enabled?

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