[dpdk-dev] [Bug 177] binding i40e with uio_pci_generic fails for DPDK 19.02.0-rc1

[bugzilla at dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=177

            Bug ID: 177
           Summary: binding i40e with uio_pci_generic fails for DPDK
                    19.02.0-rc1
           Product: DPDK
           Version: 18.11
          Hardware: All
                OS: All
            Status: CONFIRMED
          Severity: normal
          Priority: Normal
         Component: ethdev
          Assignee: dev at dpdk.org
          Reporter: vipin.varghese at intel.com
  Target Milestone: ---

DPDK: 19.02.0-rc1

uname -ar: Linux saesrv02-S2600CWR.intel.com 4.15.0-43-generic #46-Ubuntu SMP
Thu Dec 6 14:45:28 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

lsb_release -a: 
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 18.04.1 LTS
Release:        18.04
Codename:       bionic

lsmod | grep uio:
igb_uio                16384  0
uio_pci_generic        16384  0
uio                    20480  2 igb_uio,uio_pci_generic

Error: 
$ ../../usertools/dpdk-devbind.py -b uio_pci_generic 0000:08:00.1
Error: bind failed for 0000:08:00.1 - Cannot bind to driver uio_pci_generic
Error: unbind failed for 0000:08:00.1 - Cannot open
/sys/bus/pci/drivers//unbind

Success with igb_uio:
 ../../usertools/dpdk-devbind.py -b igb_uio 0000:08:00.1

ethtool details for NIC:
driver: i40e
version: 2.1.14-k
firmware-version: 6.01 0x80003484 1.1747.0
expansion-rom-version:
bus-info: 0000:08:00.3
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes

Has something changed for i40 PF to prevent probe or init in PMD level?

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