In article <1140312204.751553.136640 / g43g2000cwa.googlegroups.com>,
  "David Felstead" <david.felstead / gmail.com> writes:

> The following code causes ruby to hang on Linux CentOS 4 (tested on
> 1.8.2, 1.8.3, 1.8.4 and 1.9 HEAD as of last night):

> # This call causes the program to hang
> File.read('/proc/loadavg')

It seems like the problem before Linux 2.6.13.
See [ruby-talk:155745].
-- 
Tanaka Akira