InfiniBand interface is dropping packets on transmit
Issue
- InfiniBand ibX interface is seen dropping packets on transmit in
/proc/net/dev
(ifconfig
):
$ cat /proc/net/dev
Inter-| Receive | Transmit
face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed
lo: 1451006660 1579443 0 0 0 0 0 0 1451006660 1579443 0 0 0 0 0 0
eth0: 420887190 1854186 0 0 0 0 0 1940 10218769032 7474557 0 0 0 0 0 0
ib0: 6718343266 5010814 0 0 0 0 0 0 5431261650 5044342 0 36 0 0 0 0
$ ifconfig ib0
ib0 Link encap:InfiniBand HWaddr 10:2F:E5:44:EE:19:00:00:00:00:00:00:00:00:00:00:00:00:00:00
inet addr:192.168.0.10 Bcast:192.168.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:65520 Metric:1
RX packets:5010814 errors:0 dropped:0 overruns:0 frame:0
-> TX packets:5044342 errors:0 dropped:36 overruns:0 carrier:0 <-
collisions:0 txqueuelen:256
RX bytes:6718343266 (6.2 GiB) TX bytes:5431261650 (5.0 GiB)
Environment
- Red Hat Enterprise Linux
- InfiniBand
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