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 of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
