linux启动程序后，报pci0000:00:eth0:Detected Tx unit Hang等错误

这样的错误，是怎么回事，请高手指点，谢谢
pci 0000:00:eth0 Detected Tx Unit Hang
TDH < >
TDT < >
next_to_use < >
next_to_clean< >
buffer_info[next_to_clean]
time_stamp< >
next_to_watch< >
jiffies< >
next_to_watch.status<0>