Description of Problem:

ps was stuck on a specific process.

$ cd /proc/14985
$ cat cmdline (or status or stat or
 maps)
 
   -hangs!!!!!!!!

$ strace cat maps
  
  ......
   
open("maps", O_RDONLY|O_LARGEFILE)      = 3
fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
brk(0x8051000)                          = 0x8051000
read(3, 

when it hangs (we can\'t reproduce it) doing a cat on the /proc/$pid/*
files (I only checked stat and statm) will never return.



Version-Release number of selected component (if applicable):
2.4.9-6 kernel

How Reproducible:


Steps to Reproduce:
1.cd /proc/14985 
2. cat cmdline
3. 

Actual Results:


Expected Results:


Additional Information: