On Tue, 24 Feb 2009, blee2@tampabay.rr.com wrote:
> Thus Eben King hast written on Tue, Feb 24, 2009 at 12:56:08AM -0500, and, according to prophecy, it shall come to pass that:
>> eben@pc:~$ sudo umount /misc/scratch/
>> umount: /misc/scratch: device is busy
>> umount: /misc/scratch: device is busy
>
> For what it's worth, generally when I run into this problem, it's because
> I'm running something like `vi /etc/hosts` that was started in
> /misc/scratch/foo. So the file being edited is unrelated, but there's
> something that has it's current working directory inside the mountpoint.
Usually "lsof" will show that though. Usually what happens to cause that
error is I'm cded into something on that filesystem. This time, I don't
know what caused it, but it eventually went away. I may have rebooted.
Is there a way to make a given partition temporarily unmountable so I can
see what breaks when automount can't mount it? I could take it's entry out
of /etc/auto.misc I suppose. I have X up now and /misc/scratch is
permanently mounted. I don't know what's on there it would want. After a
while it picks up more partitions and makes them permanenlty mounted too.
I added some stuff to my "logmonitor" script to make it speak when a
partition is automatically mounted, so I can figure out what causes it.
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