What steps will reproduce the problem? import psutil psutil.disk_io_counters()

What is the expected output? Something like: sdiskio(read_count=8141, write_count=2431, read_bytes=290203, write_bytes=537676, read_time=5868, write_time=94922)

What do you see instead? >>> psutil.disk_io_counters() Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/opt/python/lib/python2.6/site-packages/psutil-2.1.1-py2.6-linux-x86_64.egg/psutil/init.py", line 1724, in disk_io_counters File "/opt/python/lib/python2.6/site-packages/psutil-2.1.1-py2.6-linux-x86_64.egg/psutil/_pslinux.py", line 645, in disk_io_counters ValueError: need more than 7 values to unpack

What version of psutil are you using? What Python version? Python-2.6.6 psutil-2.1.1

On what operating system? Is it 32bit or 64bit version?

Please provide any additional information below.

Forget to append, OS is CensOS 5.4 64bit version

psutil has been migrated from Google Code to Github (see: http://grodola.blogspot.com/2014/05/goodbye-google-code-im-moving-to-github.html). Please do NOT reply here but use this instead: https://github.com/giampaolo/psutil/issues/507