Why won't 8.2 umount -f?

[claudiu vasadi]

On Mon, Feb 13, 2012 at 10:20 PM, Doug Barton <dougb at freebsd.org> wrote:

> On 02/13/2012 13:02, Doug Barton wrote:
> > Is there some magic I'm missing to convince an 8.2 system to umount -f?
> > I had an NFS server crash, so I'm trying to get the mounts updated. All
> > of the 7.x systems happily did 'umount -f', but the 8.x systems (mostly
> > 8.2-pN) are just hanging forever.
>
> ... and it gets worse. I just 'shutdown -r now'ed one of my
> less-critical 8.2 systems, and it hung for several minutes after "All
> buffers synced." After a power cycle it came back, but the buffers
> weren't actually synced because it's still fsck'ing some pretty large
> file systems.
>
> What the heck?
>
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Ok, I remember another bug we had some while ago ... so, humor me on this:
reproduce the problem where you "shutdown -r now", actually do "shutdown -r
now" and leave it be, but check the time at which you issued the cmd. If
this is the old but I was told about, the system should reboot exactly
after 60 minutes (1 hour).

PS: I might be wrong, It's just a hunch.

-- 
Best regards,
Claudiu Vasadi