From owner-freebsd-stable Wed Nov 7 11:35: 4 2001 Delivered-To: freebsd-stable@freebsd.org Received: from apollo.backplane.com (apollo.backplane.com [216.240.41.2]) by hub.freebsd.org (Postfix) with ESMTP id 4179D37B405 for ; Wed, 7 Nov 2001 11:35:02 -0800 (PST) Received: (from dillon@localhost) by apollo.backplane.com (8.11.6/8.9.1) id fA7JYrX59194; Wed, 7 Nov 2001 11:34:53 -0800 (PST) (envelope-from dillon) Date: Wed, 7 Nov 2001 11:34:53 -0800 (PST) From: Matthew Dillon Message-Id: <200111071934.fA7JYrX59194@apollo.backplane.com> To: "Arthur W. Neilson III" Cc: "Anatoliy Dmytriyev" , freebsd-stable@FreeBSD.ORG Subject: Re: "swap_pager: indefinite wait buffer" - what is it? References: <20011107110401.C715@plab.ku.dk> <200111070915180900.14362761@smtp> Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG :I had this recently as well, and assumed it was a bad block on disk. :Does anyone know exactly what causes these messages to appear? : :On 11/7/01 at 11:04 AM Anatoliy Dmytriyev wrote: :> :>Hi all! :>I found in the daily report such lines: :>> swap_pager: indefinite wait buffer: device: #ad/0x20001, blkno: 6696, :>> size: 4096 :>> swap_pager: indefinite wait buffer: device: #ad/0x20001, blkno: 2200, :>> size: 4096 :>> swap_pager: indefinite wait buffer: device: #ad/0x20001, blkno: 6944, :>> size: 4096 :>> swap_pager: indefinite wait buffer: device: #ad/0x20001, blkno: 84992, :>> size: 32768 :>> swap_pager: indefinite wait buffer: device: #ad/0x20001, blkno: 55728, :>> size: 4096 :> :>What is it? Have I problems with my hard drive? :>Please, tell me. :> :>Best regards, :>Anatoliy. :> :>-- :>Anatoliy Dmytriyev :>http://tolid.eu.org This error occurs if a process is doing a page-in and the page is stuck doing disk I/O for 20 or more seconds. Bad blocks could do it. If so you should also see disk errors logged in /var/log/messages and the 'dmesg' output. -Matt To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message