sporadic disk syncing failures when shutting down

[Sean Kelly]

On Sat, Jul 12, 2003 at 06:36:53PM -0700, Don Lewis wrote:
...
>  Stopping inetd.
> Shutting down daemon processes:Jul 12 09:19:40 scratch upsmon[492]: upsmon parent: exiting (child exited)
> killall: warning: kill -TERM 492: No such process
> killall: warning: kill -TERM 488: No such process
>  healt 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... 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...

-- 
Sean Kelly          | PGP KeyID: D2E5E296
smkelly at FreeBSD.org | http://www.sean-kelly.org/