From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Hansen Subject: Re: Memory Problem Date: Mon, 07 Oct 2002 08:52:27 -0700 Sender: linux-kernel-owner@vger.kernel.org Message-ID: <3DA1ADBB.7070804@us.ibm.com> References: Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Rik van Riel Cc: Philipp Steinkrueger , linux-kernel@vger.kernel.org, linux-admin@vger.kernel.org Rik van Riel wrote: > On Mon, 7 Oct 2002, Philipp Steinkrueger wrote: > > >>The Problem appears with the mysql database server. here is the error >>message: >> >>Can't create a new thread (errno 11). If you are not out of available >>memory, you can consult the manual for a possible OS-dependent bug > > >>2) what else does the kernel do when a programm spawns a new thread ? if >>memory is not the problem, what else could go wrong when creating a >>thread ? > > 2) memory fragmentation, there is no area of 2 contiguous free pages If you're running current 2.5, you can check /proc/buddyinfo to detect fragmentation. If there are any non-zero numbers in columns after the first one in ZONE_NORMAL or ZONE_DMA, you should be all right -- Dave Hansen haveblue@us.ibm.com