This is a useful set of information that we almost always ask for when trying to solve a problem:

• Summary of bug (one line):

• Detailed description of bug:

• Reproducible with steps:

• Distribution and version:

• Kernel version:

• Intel Network Driver version (ethtool -i ethX):

• Dmesg info with modprobe e1000 debug=21, or at least any relevant dmesg info:

• 'ethtool <ethx>' output:

• 'ethtool -i <ethx>' output:

• 'ethtool -e <ethx>' output:

• 'lspci -v -v' output:

• 'cat /proc/interrupts' output:

Also please see the file REPORTING-BUGS included in your kernel source. One possible location is here:

Reporting linux kernel bugs