Hi Cliff, Yes, I had tried it.
When I set memory on both NUMA nodes it works without this issue. Thanks, Raghu Date: Tue, 30 Oct 2018 18:56:45 -0700 >From: Cliff Burdick <[email protected]> >To: Raghu Gangi <[email protected]> >Cc: users <[email protected]> >Subject: Re: [dpdk-users] Failed to allocate tx pool >Message-ID: > <CA+Gp1nZY1xM_qGdBcrvnuUPc2duDwQH5dTdSRbuwCLgXwf_=s...@mail.gmail.com> >Content-Type: text/plain; charset="UTF-8" > >Have you tried allocating memory on both numa nodes to rule that out? > > >On Tue, Oct 30, 2018, 16:40 Raghu Gangi <[email protected]> >wrote: > >> Hi, >> >> I am currently facing issue in brining up DPDK application. It is >>failing >> with the following message. rte_errno is set to 12 in this scenario. >>(Out >> of memory). >> >> It would be great if you can kindly point me to what am I doing >> incorrectly. >> >> I am using DPDK 2.2.0 version on ubuntu 16.04. >> >> EAL: PCI device 0000:02:00.0 on NUMA socket 0 >> EAL: probe driver: 8086:1521 rte_igb_pmd >> EAL: Not managed by a supported kernel driver, skipped >> EAL: PCI device 0000:02:00.3 on NUMA socket 0 >> EAL: probe driver: 8086:1521 rte_igb_pmd >> EAL: Not managed by a supported kernel driver, skipped >> EAL: PCI device 0000:82:00.0 on NUMA socket 1 >> EAL: probe driver: 8086:10fb rte_ixgbe_pmd >> EAL: PCI memory mapped at 0x7fd1a7600000 >> EAL: PCI memory mapped at 0x7fd1a7640000 >> PMD: eth_ixgbe_dev_init(): MAC: 2, PHY: 12, SFP+: 3 >> PMD: eth_ixgbe_dev_init(): port 0 vendorID=0x8086 deviceID=0x10fb >> EAL: PCI device 0000:82:00.1 on NUMA socket 1 >> EAL: probe driver: 8086:10fb rte_ixgbe_pmd >> EAL: PCI memory mapped at 0x7fd1a7644000 >> EAL: PCI memory mapped at 0x7fd1a7684000 >> PMD: eth_ixgbe_dev_init(): MAC: 2, PHY: 12, SFP+: 4 >> PMD: eth_ixgbe_dev_init(): port 1 vendorID=0x8086 deviceID=0x10fb >> RING: Cannot reserve memory >> dpdk_if_init:256: failed to allocate tx pool >> >> The DPDK bound NIC cards are on NUMA socket 1. >> >> root@rg2-14053:/home/adara/raghu_2/dpdk-2.2.0# ./tools/dpdk_nic_bind.py >> --status >> >> Network devices using DPDK-compatible driver >> ============================================ >> 0000:82:00.0 '82599ES 10-Gigabit SFI/SFP+ Network Connection' >>drv=igb_uio >> unused=ixgbe >> 0000:82:00.1 '82599ES 10-Gigabit SFI/SFP+ Network Connection' >>drv=igb_uio >> unused=ixgbe >> >> Network devices using kernel driver >> =================================== >> 0000:02:00.0 'I350 Gigabit Network Connection' if=eno1 drv=igb >> unused=igb_uio *Active* >> 0000:02:00.3 'I350 Gigabit Network Connection' if=eno2 drv=igb >> unused=igb_uio >> >> Other network devices >> ===================== >> <none> >> >> >> root@rg2-14053:/home/adara/raghu_2/run# cat >> /sys/bus/pci/devices/0000\:82\:00.0/numa_node >> 1 >> root@rg2-14053:/home/adara/raghu_2/run# cat >> /sys/bus/pci/devices/0000\:82\:00.1/numa_node >> 1 >> >> >> DPDK huge pages are allocated on the same NUMA node 1 as shown below: >> >> root@rg2-14053:/home/adara/raghu_2/run# cat >> /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages >> 0 >> root@rg2-14053:/home/adara/raghu_2/run# cat >> /sys/devices/system/node/node1/hugepages/hugepages-2048kB/nr_hugepages >> 128 >> root@rg2-14053:/home/adara/raghu_2/run# >> >> Output of CPU Layout tool: >> >> root@rg2-14053:/home/adara/raghu_2/run# >>../dpdk-2.2.0/tools/cpu_layout.py >> ============================================================ >> Core and Socket Information (as reported by '/proc/cpuinfo') >> ============================================================ >> cores = [0, 1, 2, 3, 4, 8, 9, 10, 11, 12] >> sockets = [0, 1] >> >> Socket 0 Socket 1 >> -------- -------- >> Core 0 [0, 20] [10, 30] >> >> Core 1 [1, 21] [11, 31] >> >> Core 2 [2, 22] [12, 32] >> >> Core 3 [3, 23] [13, 33] >> >> Core 4 [4, 24] [14, 34] >> >> Core 8 [5, 25] [15, 35] >> >> Core 9 [6, 26] [16, 36] >> >> Core 10 [7, 27] [17, 37] >> >> Core 11 [8, 28] [18, 38] >> >> Core 12 [9, 29] [19, 39] >> >> Thanks, >> Raghu >> > >
