Date: Tue, 02 Sep 2003 13:19:29 -0700 From: "Kevin Oberman" <oberman@es.net> To: w@dream.vg Cc: current@freebsd.org Subject: Re: Syncer "giving up" on buffers Message-ID: <20030902201929.5D4255D04@ptavv.es.net> In-Reply-To: Message from Jan Srzednicki <winfried@student.agh.edu.pl> <20030902085343.GF6853@student.agh.edu.pl>
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> Date: Tue, 2 Sep 2003 10:53:43 +0200 > From: Jan Srzednicki <winfried@student.agh.edu.pl> > Sender: owner-freebsd-current@freebsd.org > > On Mon, Sep 01, 2003 at 07:53:48PM +0300, Lefteris Chatzibarbas wrote: > > Hello, > > > > 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... > > > > After some testing I found out that this does _not_ happen if I manually > > unmount my ext2 filesystems, before shutting down. In this case syncer > > finishes without any problems. > > I confirm that, same thing happened in my case. But, I had just one > buffer remaining and ext2fs mounted in read-only. It seems that it's not > so read-only then.. While this seems to impact ext2fs system, the issue of syncer failing on read-only volumes is also showing up in cases where ext2fs systems are not present. See reports over the past couple of days on this. I can't be sure that these are the same problem, but they sure do look like the same thing. -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634
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