RX drop encountered for e1000e driver
Issue
- Interface eth1 is experiencing high count of RX-DRP.
netstat -i
Kernel Interface table
Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg
bond0 1500 0 2662386193 0 0 0 2806975752 0 0 0 BMmRU
eth0 1500 0 2591515322 0 0 0 2806975752 0 0 0 BMsRU
eth1 1500 0 1105491112 0 58236888 0 98715028 0 0 0 BMRU
eth2 1500 0 70870871 0 0 0 0 0 0 0 BMsRU
lo 16436 0 1718140323 0 0 0 1718140323 0 0 0 LRU
# ethtool -S eth1
NIC statistics:
rx_missed_errors: 58292301
Have increased the RX ring buffers:
# ethtool -g eth1
Ring parameters for eth1:
Pre-set maximums:
RX: 4096
RX Mini: 0
RX Jumbo: 0
TX: 4096
Current hardware settings:
RX: 4096
RX Mini: 0
RX Jumbo: 0
TX: 4096
Can you find out what is the root cause for this?
Environment
- Red Hat Enterprise Linux 5.4
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.