[dpdk-dev] Unusable interfaces although apparently attached to IGB_UIO

Marc Sune marc.sune at bisdn.de
Tue Feb 25 13:20:06 CET 2014
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Dear all,

We've been experiencing problems with interfaces being recognised by 
DPDK since some time now, I think since the very begining we started 
using DPDK (aprox. 1.3). Randomly, even on a fresh reboot (after 
modprobe->attach->launch dpdk_app), and properly attached to the IGB_UIO 
kmod [0], interfaces do appear in the "probe stage" of the respective 
driver during RTE* initialization, but DPDK complains there are no 
DPDK-enabled interfaces [1].

It even happens with the examples provided [1]. Once they enter in this 
"zombie state", there is no way to recover them unless a reboot is 
performed. Attaching igb_uio -> igb -> gb_uio does not solve it either. 
This happens also with 1G copper ports.

Any ideas?

Thanks and regards
marc

p.s. Using 1.5.2 branch right now

-------------------------

[0] setup.sh

Option: 10


Network devices using IGB_UIO driver
====================================
0000:06:00.0 '82599EB 10-Gigabit SFI/SFP+ Network Connection' 
drv=igb_uio unused=
0000:06:00.1 '82599EB 10-Gigabit SFI/SFP+ Network Connection' 
drv=igb_uio unused=

Network devices using kernel driver
===================================
0000:08:00.1 'DH8900CC Series Gigabit Network Connection' if=eth3 
drv=igb unused=igb_uio
0000:08:00.2 'DH8900CC Series Gigabit Network Connection' if=eth5 
drv=igb unused=igb_uio
0000:08:00.3 'DH8900CC Series Gigabit Network Connection' if=eth6 
drv=igb unused=igb_uio
0000:08:00.4 'DH8900CC Series Gigabit Network Connection' if=eth7 
drv=igb unused=igb_uio
0000:09:00.0 'I350 Gigabit Network Connection' if=eth8 drv=igb 
unused=igb_uio *Active*
0000:09:00.1 'I350 Gigabit Network Connection' if=eth9 drv=igb 
unused=igb_uio *Active*
0000:09:00.2 'I350 Gigabit Network Connection' if=eth10 drv=igb 
unused=igb_uio
0000:09:00.3 'I350 Gigabit Network Connection' if=eth11 drv=igb 
unused=igb_uio
0000:85:00.0 '82599EB 10-Gigabit SFI/SFP+ Network Connection' if=eth2 
drv=ixgbe unused=igb_uio
0000:85:00.1 '82599EB 10-Gigabit SFI/SFP+ Network Connection' if=eth4 
drv=ixgbe unused=igb_uio

Other network devices
=====================
<none>

Enter PCI address of device to bind to IGB UIO driver:


[1] l2fwd

marc at bertha-dpdk:~/dpdk/examples/l2fwd/build$ sudo ./l2fwd -c 0xFF -n 2
EAL: Detected lcore 0 as core 0 on socket 0
EAL: Detected lcore 1 as core 1 on socket 0
EAL: Detected lcore 2 as core 2 on socket 0
EAL: Detected lcore 3 as core 3 on socket 0
EAL: Detected lcore 4 as core 4 on socket 0
EAL: Detected lcore 5 as core 5 on socket 0
EAL: Detected lcore 6 as core 6 on socket 0
EAL: Detected lcore 7 as core 7 on socket 0
EAL: Detected lcore 8 as core 0 on socket 1
EAL: Detected lcore 9 as core 1 on socket 1
EAL: Detected lcore 10 as core 2 on socket 1
EAL: Detected lcore 11 as core 3 on socket 1
EAL: Detected lcore 12 as core 4 on socket 1
EAL: Detected lcore 13 as core 5 on socket 1
EAL: Detected lcore 14 as core 6 on socket 1
EAL: Detected lcore 15 as core 7 on socket 1
EAL: Skip lcore 16 (not detected)
EAL: Skip lcore 17 (not detected)
EAL: Skip lcore 18 (not detected)
EAL: Skip lcore 19 (not detected)
EAL: Skip lcore 20 (not detected)
EAL: Skip lcore 21 (not detected)
EAL: Skip lcore 22 (not detected)
EAL: Skip lcore 23 (not detected)
EAL: Skip lcore 24 (not detected)
EAL: Skip lcore 25 (not detected)
EAL: Skip lcore 26 (not detected)
EAL: Skip lcore 27 (not detected)
EAL: Skip lcore 28 (not detected)
EAL: Skip lcore 29 (not detected)
EAL: Skip lcore 30 (not detected)
EAL: Skip lcore 31 (not detected)
EAL: Skip lcore 32 (not detected)
EAL: Skip lcore 33 (not detected)
EAL: Skip lcore 34 (not detected)
EAL: Skip lcore 35 (not detected)
EAL: Skip lcore 36 (not detected)
EAL: Skip lcore 37 (not detected)
EAL: Skip lcore 38 (not detected)
EAL: Skip lcore 39 (not detected)
EAL: Skip lcore 40 (not detected)
EAL: Skip lcore 41 (not detected)
EAL: Skip lcore 42 (not detected)
EAL: Skip lcore 43 (not detected)
EAL: Skip lcore 44 (not detected)
EAL: Skip lcore 45 (not detected)
EAL: Skip lcore 46 (not detected)
EAL: Skip lcore 47 (not detected)
EAL: Skip lcore 48 (not detected)
EAL: Skip lcore 49 (not detected)
EAL: Skip lcore 50 (not detected)
EAL: Skip lcore 51 (not detected)
EAL: Skip lcore 52 (not detected)
EAL: Skip lcore 53 (not detected)
EAL: Skip lcore 54 (not detected)
EAL: Skip lcore 55 (not detected)
EAL: Skip lcore 56 (not detected)
EAL: Skip lcore 57 (not detected)
EAL: Skip lcore 58 (not detected)
EAL: Skip lcore 59 (not detected)
EAL: Skip lcore 60 (not detected)
EAL: Skip lcore 61 (not detected)
EAL: Skip lcore 62 (not detected)
EAL: Skip lcore 63 (not detected)
EAL: Setting up memory...
EAL: Ask a virtual area of 0x1073741824 bytes
EAL: Virtual area found at 0x7f7dff000000 (size = 0x40000000)
EAL: Ask a virtual area of 0x1073741824 bytes
EAL: Virtual area found at 0x7f7dbee00000 (size = 0x40000000)
EAL: Requesting 512 pages of size 2MB from socket 0
EAL: Requesting 512 pages of size 2MB from socket 1
EAL: TSC frequency is ~1200000 KHz
EAL: Master core 0 is ready (tid=4025a840)
EAL: Core 1 is ready (tid=be1f2700)
EAL: Core 4 is ready (tid=bc9ef700)
EAL: Core 6 is ready (tid=bb9ed700)
EAL: Core 3 is ready (tid=bd1f0700)
EAL: Core 7 is ready (tid=bb1ec700)
EAL: Core 5 is ready (tid=bc1ee700)
EAL: Core 2 is ready (tid=bd9f1700)
EAL: PCI device 0000:06:00.0 on NUMA socket 0
EAL:   probe driver: 8086:10fb rte_ixgbe_pmd
EAL:   PCI memory mapped at 0x7f7e401a7000
EAL:   PCI memory mapped at 0x7f7e4026d000
EAL: PCI device 0000:06:00.1 on NUMA socket 0
EAL:   probe driver: 8086:10fb rte_ixgbe_pmd
EAL:   PCI memory mapped at 0x7f7e40127000
EAL:   PCI memory mapped at 0x7f7e40269000
EAL: PCI device 0000:08:00.1 on NUMA socket 0
EAL:   probe driver: 8086:438 rte_igb_pmd
EAL:   0000:08:00.1 not managed by UIO driver, skipping
EAL: PCI device 0000:08:00.2 on NUMA socket 0
EAL:   probe driver: 8086:438 rte_igb_pmd
EAL:   0000:08:00.2 not managed by UIO driver, skipping
EAL: PCI device 0000:08:00.3 on NUMA socket 0
EAL:   probe driver: 8086:438 rte_igb_pmd
EAL:   0000:08:00.3 not managed by UIO driver, skipping
EAL: PCI device 0000:08:00.4 on NUMA socket 0
EAL:   probe driver: 8086:438 rte_igb_pmd
EAL:   0000:08:00.4 not managed by UIO driver, skipping
EAL: PCI device 0000:09:00.0 on NUMA socket 0
EAL:   probe driver: 8086:1521 rte_igb_pmd
EAL:   0000:09:00.0 not managed by UIO driver, skipping
EAL: PCI device 0000:09:00.1 on NUMA socket 0
EAL:   probe driver: 8086:1521 rte_igb_pmd
EAL:   0000:09:00.1 not managed by UIO driver, skipping
EAL: PCI device 0000:09:00.2 on NUMA socket 0
EAL:   probe driver: 8086:1521 rte_igb_pmd
EAL:   0000:09:00.2 not managed by UIO driver, skipping
EAL: PCI device 0000:09:00.3 on NUMA socket 0
EAL:   probe driver: 8086:1521 rte_igb_pmd
EAL:   0000:09:00.3 not managed by UIO driver, skipping
EAL: PCI device 0000:85:00.0 on NUMA socket 1
EAL:   probe driver: 8086:10fb rte_ixgbe_pmd
EAL:   0000:85:00.0 not managed by UIO driver, skipping
EAL: PCI device 0000:85:00.1 on NUMA socket 1
EAL:   probe driver: 8086:10fb rte_ixgbe_pmd
EAL:   0000:85:00.1 not managed by UIO driver, skipping
EAL: Error - exiting with code: 1
   Cause: No Ethernet ports - bye
Previous message: [dpdk-dev] [PATCH] hash: reverse the operand order to crc32 in rte_hash_crc.h
Next message: [dpdk-dev] Unusable interfaces although apparently attached to IGB_UIO
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