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TMPFS strangeness on U10

Hi people!

I have the linux kernel 2.6.9 with debian/unstable running two U10/440.
Both are running very well but one of them show the following strangeness
wit tmpfs:

iei10:/# mount
/dev/sda2 on / type ext3 (rw,errors=remount-ro)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw)
/dev/sda1 on /boot type ext3 (rw)
tmpfs on /foo type tmpfs (rw)
iei10:/# cd foo
bash: cd: foo: Not a directory
iei10:/# cat foo
cat: foo: Is a directory
iei10:/# ls -lad /foo
drwxrwxrwt  2 root root 40 2004-12-17 10:03 /foo
iei10:/# df /foo
Filesystem           1K-blocks      Used Available Use% Mounted on
df: `/foo': Function not implemented

The other one doesn't show these kind of effects.  It is reproducable for
every tmpfs mount.  Thus, I can't use udev and tmp over tmpfs.  I do not
have any readings on the logs indicating any problem.  I have compiled the
kernel with gcc-3.4 as well as with 3.3.  Well google wasn't very
helpful, but maybe some one of you has seen this effect before and knows
a solution.

Thx and a nice weekend,


Christian Hopp                                email: chopp@iei.tu-clausthal.de
Institut für Elektrische Informationstechnik             fon: +49-5323-72-2113
TU Clausthal, Leibnizstr. 28, 38678 Clausthal-Zellerf.   fax: +49-5323-72-3197
                             pgpkey: https://www.iei.tu-clausthal.de/pgp-keys/

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