From owner-freebsd-hackers Fri Feb 19 16:38:22 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from smtp01.primenet.com (smtp01.primenet.com [206.165.6.131]) by hub.freebsd.org (Postfix) with ESMTP id 75A9611872 for ; Fri, 19 Feb 1999 16:38:19 -0800 (PST) (envelope-from tlambert@usr02.primenet.com) Received: (from daemon@localhost) by smtp01.primenet.com (8.8.8/8.8.8) id RAA12414; Fri, 19 Feb 1999 17:38:18 -0700 (MST) Received: from usr02.primenet.com(206.165.6.202) via SMTP by smtp01.primenet.com, id smtpd012382; Fri Feb 19 17:38:13 1999 Received: (from tlambert@localhost) by usr02.primenet.com (8.8.5/8.8.5) id RAA14993; Fri, 19 Feb 1999 17:38:11 -0700 (MST) From: Terry Lambert Message-Id: <199902200038.RAA14993@usr02.primenet.com> Subject: Re: softupdate panic, anyone seen this? To: Don.Lewis@tsc.tdk.com (Don Lewis) Date: Sat, 20 Feb 1999 00:38:10 +0000 (GMT) Cc: jake@checker.org, hackers@FreeBSD.ORG In-Reply-To: <199902180912.BAA18642@salsa.gv.tsc.tdk.com> from "Don Lewis" at Feb 18, 99 01:12:50 am X-Mailer: ELM [version 2.4 PL25] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > After reading the source for softdep_sync_metadata(), I might believe this > could happen if the system tried to sync the block device for a softdep > filesystem before had synced all the files. > > I don't know why MFS would have an effect on this. The only two things > I can think of are either swapping to a file on a softdep filesystem, or > somehow the softupdates stuff thinks it should be active on the MFS > filesystems. What does /sbin/mount say about the mount flags on these > filesystems? Ah. MFS does this because it has synchronization issues getting to the backing store object (it's basically the VM/buffer cache coherency issue in SVR4). Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message