From: William Lee Irwin III <wli@holomorphy.com>
To: Paul Larson <plars@linuxtestproject.org>
Cc: Andrew Morton <akpm@digeo.com>, linux-mm <linux-mm@kvack.org>
Subject: Re: Hangs in 2.5.41-mm1
Date: Wed, 9 Oct 2002 14:00:49 -0700 [thread overview]
Message-ID: <20021009210049.GH12432@holomorphy.com> (raw)
In-Reply-To: <1034195372.30973.64.camel@plars>
On Wed, Oct 09, 2002 at 03:29:28PM -0500, Paul Larson wrote:
> Case 1:
> from ltp, 'runalltests.sh -l /tmp/mm1.log |tee /tmp/mm1.out
> shmt01 (attached test from before)
> shmt01& (repeated 10 times)
> echo 768 > /proc/sys/vm/nr_hugepages
> *hang*
> Case 2:
> cold boot
> echo 768 > /proc/sys/vm/nr_hugepages
> echo 1610612736 > /proc/sys/kernel/shmmax
> shmt01 -s 1610612736&
> shmt01 (immediately after starting the previous command)
> *hang*
You want to check that you still have free hugepages available. It's
passing IPC_CREAT to shmget() so it's trying to create at least double
the number of hugepages you have configured, or 10 times it in case 1.
Bill
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next prev parent reply other threads:[~2002-10-09 21:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-09 18:36 Paul Larson
2002-10-09 20:17 ` Andrew Morton
2002-10-09 20:29 ` Paul Larson
2002-10-09 21:00 ` William Lee Irwin III [this message]
2002-10-09 21:17 ` Paul Larson
2002-10-09 21:29 ` Andrew Morton
2002-10-09 21:32 ` Andrew Morton
2002-10-10 15:45 ` Paul Larson
2002-10-10 16:53 ` Andrew Morton
2002-10-10 17:01 ` Andrew Morton
2002-10-10 18:32 ` William Lee Irwin III
2002-10-10 18:39 ` Manfred Spraul
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