thanks Arseniy Zaostrovnykh, I have tried your suggestion and I got a segmentation fault.
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 0x47000000 bytes EAL: Virtual area found at 0x7f009c600000 (size = 0x47000000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f009c200000 (size = 0x200000) EAL: Ask a virtual area of 0x38c00000 bytes EAL: Virtual area found at 0x7f0063400000 (size = 0x38c00000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7f0063000000 (size = 0x200000) EAL: Requesting 1024 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=e44d31c0;cpuset=[0]) 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 ... Segmentation fault (core dumped) I'm going to try with other examples in order to know if it's the same behavior :). On 11/12/2015 12:25 PM, Arseniy Zaostrovnykh wrote: > It seems like there should be enough memory. However you use 2 lcores, > and this may imply, that you will be using 2 TX queues, look at the > line 2796 in examples/l3fwd/main.c : > n_tx_queue = nb_lcores; > > I had that problem, I fixed it by using just a single lcore, e.g.: > > -c 0x1 .... --config="(0,0,0),(1,0,0)" > > > On 12.11.2015 18:12, Mario Carrillo wrote: >> This is the configuration that I'm using for running the l3fwd example >> ./build/l3fwd -c 0x3 -n 1 -d librte_pmd_virtio.so -- -p 0x3 >> --config="(0,0,0),(1,0,1)" >> >> and about environment >> Hugepagesize: 2048 kB >> >> echo 1024 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages >> >> echo 1024 > >> /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages >> >> what do you think? >> >> Thanks. >> Mario. >> >> >> On 11/12/2015 10:48 AM, Arseniy Zaostrovnykh wrote: >>> 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.