Date: Sun, 13 Jul 2003 00:04:41 -0400 From: Jeff Walters <jeff@walters.name> To: Sean Kelly <smkelly@FreeBSD.org>, Don Lewis <truckman@FreeBSD.org> Cc: current@FreeBSD.org Subject: Re: sporadic disk syncing failures when shutting down Message-ID: <200307130004.41123.jeff@walters.name> In-Reply-To: <20030713032425.GA77413@edgemaster.zombie.org> References: <200307130136.h6D1arM7023826@gw.catspoiler.org> <20030713032425.GA77413@edgemaster.zombie.org>
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On Saturday 12 July 2003 11:24 pm, Sean Kelly wrote: > > syncing disks, buffers remaining... 54 54 54 54 54 54 54 54 54 54 54 54 > > 54 54 54 54 54 54 54 54 giving up on 54 buffers > > Uptime: 6m42s > > Terminate ACPI > > Rebooting... > > > > Each time this has happened, fsck finds and nukes a bunch of empty > > directories. The last time this happened, the /etc/rc.d/yp* files that > > mergmaster updated were missing after the reboot and fsck had done its > > work. Nothing has ever shown up in lost+found. > > > > Has anyone else seen this? > > I have seen this a lot, but not as much lately. Sadly, I don't have any > more data than you on why it happens. I've seen it give up on a rather > frighteningly large number of buffers before, though... I hate to even mentioned such an unscientific observation where I made multiple changes at once, but I'll provide a data point. I also saw this problem crop up at the same time as I tried the SCHED_ULE scheduler a couple of months ago. I re-cvsup'ed CURRENT and switched back to SCHED_4BSD and it went away.
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