From Bugzilla Helper:
User-Agent: Mozilla/4.78 [en] (X11; U; Linux 2.4.9-13 i686; Nav)
Description of problem:
Ethtool doesn't work.
Any attempt to use it returns an error.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Run 'ethtool'
2. Read the error.
Actual Results: # ethtool eth0
Cannot get current device settings: Operation not supported
Expected Results: Show me the network speed, duplex, and other settings.
I've tried this with multiple NICs and a variety of drivers.
What drivers are you seeing this ethtool behavior with?
Most likely this issue is now resolved with the current kernels, but I need to
know specifically what drivers are currently showing the 'operation not
ethtool is much more widely supported in drivers, in the current Red Hat releases.
There has been no response on this bug in a while, and it is very non-specific
with regards to hardware, so I am going to close it.
If problems persist, please file a new bug with specific details about what
drivers you are using (lsmod) and what hardware you have (lspci).