Hi Malveeka, To be sure that you should have [uio, igb_uio] or [uio, uio_pci_generic] or [vfio] module loaded.
Thanks, Michael On 12/3/2014 5:44 AM, Malveeka Tewari wrote: > Hi > > I am trying to run the testpmd app as but I get the following errors: > EAL: VFIO could not be initialized > EAL: Cannot open /dev/uio0: No such file or directory > EAL: Error - exiting with code: 1 > Cause: Requested device 0000:07:00.0 cannot be used > > lsmod shows that the uio module is installed. > Is there anything that's missing? > > Thanks! > Malveeka > > > > Output on trying to run testpmd > > EAL: Detected 16 lcore(s) > *EAL: cannot open VFIO container, error 2 (No such file or directory)* > *EAL: VFIO support could not be initialized* > EAL: Setting up memory... > EAL: Ask a virtual area of 0x200000 bytes > EAL: Virtual area found at 0x7fe66ac00000 (size = 0x200000) > EAL: Ask a virtual area of 0xffc00000 bytes > EAL: Virtual area found at 0x7fe56ae00000 (size = 0xffc00000) > EAL: Ask a virtual area of 0x200000 bytes > EAL: Virtual area found at 0x7fe56aa00000 (size = 0x200000) > EAL: Ask a virtual area of 0xfec00000 bytes > EAL: Virtual area found at 0x7fe46bc00000 (size = 0xfec00000) > EAL: Ask a virtual area of 0x400000 bytes > EAL: Virtual area found at 0x7fe46b600000 (size = 0x400000) > EAL: Ask a virtual area of 0x400000 bytes > EAL: Virtual area found at 0x7fe46b000000 (size = 0x400000) > EAL: Ask a virtual area of 0x400000 bytes > EAL: Virtual area found at 0x7fe46aa00000 (size = 0x400000) > EAL: Ask a virtual area of 0x400000 bytes > EAL: Virtual area found at 0x7fe46a400000 (size = 0x400000) > EAL: Ask a virtual area of 0x400000 bytes > EAL: Virtual area found at 0x7fe469e00000 (size = 0x400000) > EAL: Requesting 2048 pages of size 2MB from socket 0 > EAL: Requesting 2048 pages of size 2MB from socket 1 > EAL: TSC frequency is ~2266745 KHz > EAL: Master core 3 is ready (tid=6cedb800) > EAL: PCI device 0000:07:00.0 on NUMA socket -1 > EAL: probe driver: 8086:10fb rte_ixgbe_pmd > > > *EAL: Cannot open /dev/uio0: No such file or directoryEAL: Error - exiting > with code: 1 Cause: Requested device 0000:07:00.0 cannot be used* >