Date: Tue, 28 Nov 2006 00:18:03 +0100 From: "O. Hartmann" <ohartman@mail.zedat.fu-berlin.de> To: Ronald Klop <ronald-freebsd8@klop.yi.org> Cc: Peter Jeremy <peterjeremy@optushome.com.au>, freebsd-stable@freebsd.org, "Matthew D. Fuller" <fullermd@over-yonder.net> Subject: Re: Problems unmounting/fssyncking extern UFS filesystem Message-ID: <456B722B.6010508@mail.zedat.fu-berlin.de> In-Reply-To: <op.tjo591p68527sy@guido.klop.ws> References: <200611271353.kARDr6tN034491@lurza.secnetix.de> <20061127164119.E63DB45054@ptavv.es.net> <20061127183758.GC865@turion.vk2pj.dyndns.org> <20061127201940.GD31944@over-yonder.net> <op.tjo591p68527sy@guido.klop.ws>
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Ronald Klop wrote: > On Mon, 27 Nov 2006 21:19:40 +0100, Matthew D. Fuller > <fullermd@over-yonder.net> wrote: > >> On Tue, Nov 28, 2006 at 05:37:58AM +1100 I heard the voice of >> Peter Jeremy, and lo! it spake thus: >>> >>> All current Un*x filesystems will automatically flush all buffers as >>> part of the unmount process >> >> That Depends(tm), partly on what you mean by 'unmount'. >> >> With my Nov05 and Jun06 -CURRENT's, I had to take great care to sync >> and sync and wait and sync and sync filesystems before "mount -u -o >> ro"'ing them, because otherwise they'd end up NOT flushing everything, >> leaving unreferenced stuff around that fsck had to clean up, but only >> if I ran it manually because mount DID mark the filesystem as clean. >> >> I just tried to reproduce it on my last-week -CURRENT, and it no >> longer does that. Instead, it locked itself into a "softdep_waitidle: >> Failed to flush worklist" loop and won't LET me remount r/o (or >> unmount) the filesystems. Obviously, I should have kept up my >> now-established habit of sync'ing and waiting a while before >> un/remounting... > > IMHO: Please discuss this on freebsd-current@freebsd.org. And read the > handbook (http://www.freebsd.org/handbook) about > releases/versions/branches. -CURRENT is known to have bugs. > > -- Ronald Klop > Amsterdam, The Netherlands One of the fellows herein told me this discussion is subject to STABLE! Regards, Oliver
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