npm got Segmentation fault at linux

• linux version:

[root@etone231 download]# lsb_release -a
LSB Version:    :core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd64:graphics-3.1-ia32:graphics-3.1-noarch
Distributor ID: RedHatEnterpriseServer
Description:    Red Hat Enterprise Linux Server release 5.1 (Tikanga)
Release:        5.1
Codename:       Tikanga

• node.js:

git clone https://github.com/joyent/node.git
cd node
./configure
make
sudo make install

• npm fail:

[root@etone231 download]# node -e "console.log('a')"
a

[root@etone231 download]# node -v
v0.8.6

[root@etone231 download]# python -V
Python 2.7.3

[root@etone231 download]# gmake -v
GNU Make 3.81
Copyright (C) 2006  Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.

This program built for x86_64-redhat-linux-gnu

[root@etone231 download]# npm -v
1.1.48

[root@etone231 download]# npm list
Segmentation fault