Date: Wed, 7 Nov 2001 11:34:53 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: "Arthur W. Neilson III" <art@pilikia.net> Cc: "Anatoliy Dmytriyev" <tolid@plab.ku.dk>, freebsd-stable@FreeBSD.ORG Subject: Re: "swap_pager: indefinite wait buffer" - what is it? Message-ID: <200111071934.fA7JYrX59194@apollo.backplane.com> References: <20011107110401.C715@plab.ku.dk> <200111070915180900.14362761@smtp>
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: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 <tolid@plab.ku.dk> :>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
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