From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mescal.linbit (unknown [81.16.158.130]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.linbit.com (LINBIT Mail Daemon) with ESMTP id 592D42DF6259 for ; Thu, 25 Oct 2007 12:16:22 +0200 (CEST) From: Philipp Reisner To: drbd-dev@lists.linbit.com Subject: Re: [Drbd-dev] DRBD8: unconfigured devices and scheduling after_state_ch problem Date: Thu, 25 Oct 2007 12:16:21 +0200 References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200710251216.21633.philipp.reisner@linbit.com> List-Id: Coordination of development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tuesday 16 October 2007 23:55:49 Montrose, Ernest wrote: > Hi all, > We have been seeing a problem where "unconfigured" devices e.g devices > that are Standalone and Diskless with sequential sync order schedule > after_state_ch(). The problem is that there isn't a worker thread in > this case. So we observed two side effects. One all these queued work > make shutting down the node take a long time as unloading the driver > takes time to clean up. Two we can potentially have a memory exhaustion > issue. > > Included here is a patch to help fix the problem. > Right, I applied this... -Phil -- : Dipl-Ing Philipp Reisner Tel +43-1-8178292-50 : : LINBIT Information Technologies GmbH Fax +43-1-8178292-82 : : Vivenotgasse 48, 1120 Vienna, Austria http://www.linbit.com :