Another possible cause just come to my mind: some drivers do not support more than 1 queues in each direction. You have 2 transmission queues (nb_txq=2) here.
On 12.11.2015 17:46, Arseniy Zaostrovnykh wrote: > You may lack memory. Make sure you are allocating enough hugepages (at > least 1Gb) > > On 12.11.2015 17:13, Arevalo, Mario Alfredo C wrote: >> From: Arevalo, Mario Alfredo C >> Sent: Thursday, November 12, 2015 7:54 AM >> To: users at dpdk.org >> Subject: error running l3fwd on kvm >> >> Hello guys, I'm trying to run l3fwd, it works very well when I >> run it in bare-metal, however >> when I try to run in a Virtual Machine I get the next error: >> >> EAL: Detected lcore 0 as core 0 on socket 0 >> EAL: Detected lcore 1 as core 0 on socket 0 >> EAL: Detected lcore 2 as core 1 on socket 0 >> EAL: Detected lcore 3 as core 1 on socket 0 >> EAL: Detected lcore 4 as core 2 on socket 0 >> EAL: Detected lcore 5 as core 2 on socket 0 >> EAL: Detected lcore 6 as core 3 on socket 0 >> EAL: Detected lcore 7 as core 3 on socket 0 >> EAL: Support maximum 128 logical core(s) by configuration. >> EAL: Detected 8 lcore(s) >> EAL: VFIO modules not all loaded, skip VFIO support... >> EAL: Setting up physically contiguous memory... >> EAL: Ask a virtual area of 0x600000 bytes >> EAL: Virtual area found at 0x7f9905000000 (size = 0x600000) >> EAL: Ask a virtual area of 0x200000 bytes >> EAL: Virtual area found at 0x7f9904c00000 (size = 0x200000) >> EAL: Ask a virtual area of 0x35400000 bytes >> EAL: Virtual area found at 0x7f98cf600000 (size = 0x35400000) >> EAL: Requesting 430 pages of size 2MB from socket 0 >> EAL: TSC frequency is ~2294687 KHz >> EAL: WARNING: cpu flags constant_tsc=yes nonstop_tsc=no -> using >> unreliable clock cycles ! >> EAL: open shared lib librte_pmd_virtio.so >> EAL: Master lcore 0 is ready (tid=634d1c0;cpuset=[0]) >> EAL: lcore 1 is ready (tid=cf3f6700;cpuset=[1]) >> EAL: PCI device 0000:00:02.0 on NUMA socket -1 >> EAL: probe driver: 1af4:1000 rte_virtio_pmd >> EAL: PCI device 0000:00:03.0 on NUMA socket -1 >> EAL: probe driver: 1af4:1000 rte_virtio_pmd >> EAL: PCI device 0000:00:04.0 on NUMA socket -1 >> EAL: probe driver: 1af4:1000 rte_virtio_pmd >> EAL: PCI device 0000:00:05.0 on NUMA socket -1 >> EAL: probe driver: 1af4:1000 rte_virtio_pmd >> Initializing port 0 ... Creating queues: nb_rxq=1 nb_txq=2... EAL: >> Error - exiting with code: 1 >> Cause: Cannot configure device: err=-22, port=0 >> >> has someone seen this error before? >> >> Thank you. >> Mario. >> >> > -- Respectfully, Arseniy.
