strange nfs conversation

[Holiday]

Here's the story:

I'm on a breezy laptop.

In the other room, I have a FC2 server with this /etc/exports

/home/stephen 192.168.0.101(sync)
/mnt/windows 192.168.0.101(sync)
/home/stephen 24.108.141.82(sync)

I won't explain the two exports for /home/stephen unless you think I should.

Ok so on my breezy laptop I do this from my user console:

~$ mkdir sroom
stephen at ubuntu:~$ ls -l
drwxr-xr-x 2 stephen stephen 4096 2005-09-20 20:16 Desktop
drwxr-xr-x 2 stephen stephen 4096 2005-09-22 18:26 sroom

Note that stephen owns sroom.

Then I do this from a root console

# mount sroom:/home/stephen /home/stephen/sroom
root at ubuntu:/home/stephen# ls -l
drwxr-xr-x 2 stephen stephen 4096 2005-09-20 20:16 Desktop
drwx------ 93 500 500 12288 2005-09-21 07:38 sroom

Huh? 500.500? 500 does not appear as a uid or guid in my user listings.

But ok, I try from my user console:
~$ cd sroom
bash: cd: sroom: Permission denied

No surprise. Things are strange.


Wait! There's more. Let's do this from my root console:
# mkdir /home/stephen/sroom.windows
# mount sroom:/mnt/windows /home/stephen/sroom.windows
# ls -l
drwxr-xr-x 2 stephen stephen 4096 2005-09-20 20:16 Desktop
drwxr-xr-x 2 stephen stephen 4096 2005-09-22 18:26 sroom
drwxrwxrwx 57 root root 32768 1969-12-31 16:00 sroom.windows

and from my user console:

$ cd sroom.windows
$ ls
<long listing of files deleted>

Well! Maybe root has some magic. So with the root console in /home/stephen I
do this:

# umount sroom
# rm -rf sroom
# mkdir sroom
# mount sroom:/home/stephen /home/stephen/sroom
# ls -l
drwxr-xr-x 2 stephen stephen 4096 2005-09-20 20:16 Desktop
drwx------ 93 500 500 12288 2005-09-21 07:38 sroom
drwxrwxrwx 57 root root 32768 1969-12-31 16:00 sroom.windows

So? I'm perplexed. Any ideas?
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