I just found out that if I specify a lower number of VFs (0-37), then it
works, but only on one interface. Anything more, and it doesn't show
any PF/VF interfaces. So it follows that there may be some limitation
on the quantity of VFs that iproute2 is able to handle. There may be a
patch, but I haven't confirmed or denied that yet.
# modprobe ixgbe max_vfs=37
# ip link show
....
32: eth4: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 00:1b:21:b9:a5:e4 brd ff:ff:ff:ff:ff:ff
vf 0 MAC 42:29:36:d6:7a:4b
vf 1 MAC b2:d5:e6:70:04:1d
vf 2 MAC fa:dd:e6:51:1d:ee
vf 3 MAC 9e:32:27:f8:f8:32
vf 4 MAC 2a:1b:30:e6:6c:af
vf 5 MAC 92:bf:58:6b:94:02
vf 6 MAC d2:4b:d9:7c:9b:f4
vf 7 MAC a2:54:63:4b:37:58
vf 8 MAC 16:db:40:02:56:f8
vf 9 MAC 0a:f2:90:b6:85:25
vf 10 MAC 0a:69:bc:dd:5b:89
vf 11 MAC 56:2e:0f:71:de:ab
vf 12 MAC aa:7b:66:1e:e5:77
vf 13 MAC ca:ac:c5:23:5d:67
vf 14 MAC ce:74:a8:fa:5e:00
vf 15 MAC e6:d1:78:f2:7d:9f
vf 16 MAC 6e:5f:9e:90:87:59
vf 17 MAC 62:5b:6e:e0:7b:c6
vf 18 MAC c2:15:b1:93:97:5c
vf 19 MAC 5e:a4:22:b3:c4:99
vf 20 MAC 82:a2:f1:54:0d:bc
vf 21 MAC a6:83:48:c3:33:87
vf 22 MAC 36:bc:4c:7c:b4:bd
vf 23 MAC 86:ff:b9:8c:e1:51
vf 24 MAC 62:b3:0d:53:d5:1e
vf 25 MAC ea:fc:e1:37:3c:2e
vf 26 MAC c2:56:19:88:58:df
vf 27 MAC ca:5d:0b:c2:58:3c
vf 28 MAC 26:ad:d1:33:f3:38
vf 29 MAC 92:b1:0f:79:d2:11
vf 30 MAC 2e:d0:ae:5e:85:9c
vf 31 MAC 7a:d7:61:84:64:38
vf 32 MAC 4a:bf:57:d3:dd:79
vf 33 MAC 8a:5b:fa:8e:a9:0b
vf 34 MAC 5a:ab:b7:62:06:ba
vf 35 MAC 1e:d8:18:2c:9c:ea
vf 36 MAC 6e:34:d9:a4:c1:05
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https://bugs.launchpad.net/bugs/960497
Title:
interfaces are unavailable to iproute2 when max_vfs option is passed
to the ixgbe module
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