I just found out a way to make filesystems unmountable in 2.1.125, perhaps
an inode or dentry leak.
Here's how (as some random user)
mkdir foo
cd foo
cat > bar
blahblah
Now get up another shell and rm -rf foo
Go back to the "cat > bar" command and type a few more characters.
Exit the cat command.
Now log off as this normal user. Log on as root, kill off everything and
try and unmount the filesystem foo was on. In my case it was /home.
Sounds serious to me :)
Chris
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