[dpdk-users] Not able to access /dev/uioX from inside LXC

Nagaprabhanjan Bellaru nagp.lists at gmail.com
Sat Nov 12 15:32:20 CET 2016


The instructions mentioned by Krishnamurthy here:

greatly helped to make progress on accessing PCI devices from with in the
container, however, DPDK is not able to open them because of privilege
issues. Has somebody been able to crack this issue? If so, can they please
show me the way to do it?

EAL: Detected 24 lcore(s)
EAL: No free hugepages reported in hugepages-1048576kB
EAL: Probing VFIO support...
[New Thread 0x7fff8ece0700 (LWP 22134)]
EAL: PCI device 0000:06:00.0 on NUMA socket -1
EAL:   probe driver: 8086:1583 rte_i40e_pmd
EAL: Cannot open /dev/uio0: Operation not permitted
EAL: Error - exiting with code: 1
  Cause: Requested device 0000:06:00.0 cannot be used
[Thread 0x7ffff7fe7700 (LWP 22130) exited]
[Inferior 1 (process 22130) exited with code 01]


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