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Date: Tue, 10 Oct 2000 21:53:15 +0100
From: Richard Hirst <rhirst@linuxcare.com>
To: Bdale Garbee <bdale@gag.com>
Cc: parisc-linux@thepuffingroup.com
Subject: Re: [parisc-linux] ntpd fails on mlockall()
Message-ID: <20001010215315.J9399@linuxcare.com>
References: <20001010025700.26519359E7@rover.gag.com> <20001010120841.F9399@linuxcare.com>
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In-Reply-To: <20001010120841.F9399@linuxcare.com>; from rhirst@linuxcare.com on Tue, Oct 10, 2000 at 12:08:41PM +0100
List-ID: <linux-parisc.vger.kernel.org>

On Tue, Oct 10, 2000 at 12:08:41PM +0100, Richard Hirst wrote:
> On Mon, Oct 09, 2000 at 08:57:00PM -0600, Bdale Garbee wrote:
> > I built a package of ntp, and it installed ok, but when ntpd goes to launch,
> > I get the following in daemon.log:
> > 
> > Oct  9 20:51:27 j5k ntpd[19416]: ntpd 4.0.99g Mon Oct  9 20:44:40 MDT 2000 (1)
> > Oct  9 20:51:27 j5k ntpd[19416]: mlockall(): Cannot allocate memory
> 
> A simple prog that just calls mlockall() fails as well.  It is because
> we currently allocate a massive stack (256MB?) for every process, and
> mlockall() tries to actually claim the memory for that stack.  I tried
> allocating just a 1MB stack in fs/exec.c, and my simple mlockall()
> prog then worked.

I've changed the kernel to grow the user stack dynamically, so
hopefully your ntpd will work now.

Richard