From owner-freebsd-current@FreeBSD.ORG Sat Jan 31 16:51:47 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A97F616A4CE for ; Sat, 31 Jan 2004 16:51:47 -0800 (PST) Received: from smtp-27.ig.com.br (smtp-27.ig.com.br [200.226.132.159]) by mx1.FreeBSD.org (Postfix) with SMTP id 8DC2F43D39 for ; Sat, 31 Jan 2004 16:51:41 -0800 (PST) (envelope-from hlen@ig.com.br) Received: (qmail 12876 invoked from network); 1 Feb 2004 00:51:50 -0000 Received: from unknown (HELO ig.com.br) (200.141.84.207) by smtp-27.ig.com.br with SMTP; 1 Feb 2004 00:51:50 -0000 Message-ID: <401C4D62.90407@ig.com.br> Date: Sat, 31 Jan 2004 22:50:42 -0200 From: Herculano de Lima Einloft Neto User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.6b) Gecko/20040121 X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-current@freebsd.org Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: Syncer "giving up" on buffers X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 01 Feb 2004 00:51:47 -0000 Bruce Evans wrote on Sep 1 2003: >> I have a problem with kernels, built the last couple of days, where >> during shutdown syncer is "giving up" on buffers. During the next boot >> all filesystems are checked because of improper dismount. Here follow >> the exact messages I get: >> >> Waiting (max 60 seconds) for system process `vnlru' to stop...stopped >> Waiting (max 60 seconds) for system process `bufdaemon' to stop...stopped >> Waiting (max 60 seconds) for system process `syncer' to stop...stopped >> >> syncing disks, buffers remaining... 8 8 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 >> giving up on 6 buffers >> Uptime: 41m20s >> pfs_vncache_unload(): 1 entries remaining >> Shutting down ACPI >> Rebooting... > > Apparently the bug fixed in ext2fs/fs.h revs 1.3, 1.4 and 1.6 (etc.) > was restored in rev.1.14. I think this is because B_LOCKED buffers > were ignored in the sync() in boot() and flushed later when > vfs_unmountall() calls ext2fs_unmount(), but they are now seen in the > sync() so vfs_unmountall() is not called. A couple days ago I upgraded from 5.1RELEASE to 5.2CURRENT, only to find myself dealing with this situation. I didn't like the looks of it, so decided to go back to 5.2.1RC today.. and realize it is also there. Is this bug being tolerated so far? -- Herculano de Lima Einloft Neto