[ovs-discuss] [ovs-dev] OVS+DPDK: pci_map_resource(): cannot mmap error

Bodireddy, Bhanuprakash bhanuprakash.bodireddy at intel.com
Mon Aug 1 08:24:38 UTC 2016


>-----Original Message-----
>From: dev [mailto:dev-bounces at openvswitch.org] On Behalf Of Kapil
>Adhikesavalu
>Sent: Sunday, July 31, 2016 1:30 PM
>To: dev at openvswitch.org; discuss at openvswitch.org
>Subject: [ovs-dev] OVS+DPDK: pci_map_resource(): cannot mmap error
>
>Hello,
>
>i am getting "EAL: pci_map_resource(): cannot mmap(18, 0x7f5040000000,
>0x80000, 0x0): Invalid argument (0xffffffffffffffff)" when i start ovs-vswitchd.
>
>Setup:DL360gen8 CPU:E5-2967 NIC:82599ES 10-Gigabit SFI/SFP+ (2 Port) (PCI:
>slot0: 04:00.0 04:00.1)
>Kernel: 4.6.4-201.fc23.x86_64 ixgbe driver: 4.2.1-k

There seems to be issue with 4.5+ kernel as reported at http://dpdk.org/ml/archives/dev/2016-July/043122.html
commenting out "pci_request_regions(dev, "igb_uio");" in igb_uio.c should resolve your issue. 

Regards,
Bhanu Prakash.


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