<https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=136158>If you've got a motherboard using this family of NIC, the bug is probably filling your logs and causing 25-50 millisecond pauses in the kernel that can manifest as DVD skipping. There's a link to the tools necessary to fix the VPD checksum and information about a newer driver that promises better performance.