procfs(5) or pwd(1) bug

[Rostislav Krasny]

Hello.

I've found a strange behavior of pwd(1) on procfs(5). See following log:

# uname -a
FreeBSD vega 5.3-BETA6 FreeBSD 5.3-BETA6 #0: Sat Sep 25 19:41:14 UTC 2004  
  root at wv1u.samsco.home:/usr/obj/usr/src/sys/GENERIC  i386
vega# mount_procfs . /proc
vega# cd /proc
vega# ls
0       12      16      21      26      32      367     401     439     45 
    797
1       1244    17      22      27      325     37      41      44      46 
    8
10      1245    172     23      28      33      379     42      440     47 
    801
1012    13      18      230     29      34      38      425     441     5  
    9
1013    1366    19      24      3       35      39      43      442     6  
    curproc
1014    14      2       25      30      36      4       437     443     7
11      15      20      250     31      363     40      438     444     794
vega# pwd
/proc
vega# cd 440
vega# pwd
pwd: .: No such file or directory
vega# pwd -L
/proc/440
vega# pwd
/proc/440
vega# cd ..
vega# pwd
/proc
vega# cd 440
vega# pwd
pwd: .: No such file or directory
vega# pwd -P
pwd: .: No such file or directory
vega# pwd
pwd: .: No such file or directory
vega# pwd -L
/proc/440
vega# pwd
/proc/440
vega# pwd -P
/proc/440


		
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