2.6.7-rc2-bk4: empty-named directory in /sys

[Denis Vlasenko]

# ls /sys
   block  bus  class  devices  firmware  module
# ls -l /sys
total 0
drwxr-xr-x   9 root     root            0 Jun  5  2004
drwxr-xr-x  29 root     root            0 Jun  5  2004 block
drwxr-xr-x  10 root     root            0 Jun  5  2004 bus
drwxr-xr-x  16 root     root            0 Jun  5  2004 class
drwxr-xr-x   7 root     root            0 Jun  5  2004 devices
drwxr-xr-x   2 root     root            0 Jun  5  2004 firmware
drwxr-xr-x  30 root     root            0 Jun  5  2004 module

I cannot enter that directory. Actually, it looks more like
directory named " ", because I get similar ls outputs when
I create regular directory named " ". However, I can enter into
regular directory named " ", unlike /sys one.

# mkdir " " a b c
# ls
   a  b  c
# ls -l
total 0
drwxr-xr-x   2 root     root           48 Jun  4 22:45
drwxr-xr-x   2 root     root           48 Jun  4 22:45 a
drwxr-xr-x   2 root     root           48 Jun  4 22:45 b
drwxr-xr-x   2 root     root           48 Jun  4 22:45 c

.config and boot messages are attached
--
vda

Attachment: .config.gz
Description: GNU Zip compressed data

Attachment: dmesg.gz
Description: GNU Zip compressed data