Date: Sat, 12 Jul 2003 23:32:36 -0700 (PDT) From: Don Lewis <truckman@FreeBSD.org> To: jeff@walters.name Cc: current@FreeBSD.org Subject: Re: sporadic disk syncing failures when shutting down Message-ID: <200307130632.h6D6WaM7024179@gw.catspoiler.org> In-Reply-To: <200307130004.41123.jeff@walters.name>
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On 13 Jul, Jeff Walters wrote: > 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. I haven't gotten around to trying anything other than SCHED_4BSD.
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