[USRP-users] DPDK runtime error

Sam Reiter sam.reiter at ettus.com
Fri Jan 3 15:22:04 EST 2020


Florian,

DPDK 18.11 is not supported on UHD 3.x. You'll need to use DPDK 17.11.

Sam Reiter
Ettus Research

On Mon, Dec 23, 2019 at 9:51 AM Florian Kaltenberger via USRP-users <
usrp-users at lists.ettus.com> wrote:

> Dear all,
>
> we have finally managed to set up UHD (3.15) with DPDK (18.11) support on
> our RedHat 7 system (both installed from source) with our N310. I have
> configured the system as explained here
> http://files.ettus.com/manual/page_dpdk.html but when calling
>
> uhd_usrp_probe --args
> "use_dpdk=1,mgmt_addr=192.168.12.1,addr=192.168.10.2,second_addr=192.168.20.2,master_clock_rate=122.88e6,type=n3xx"
>
> I am getting the following runtime error (all the way at the bottom):
> [INFO] [UHD] linux; GNU C++ version 4.8.5 20150623 (Red Hat 4.8.5-39);
> Boost_106900; UHD_3.15.0.0-0-g4e06022c
> EAL: Detected 10 lcore(s)
> EAL: No free hugepages reported in hugepages-1048576kB
> EAL: Probing VFIO support...
> EAL: VFIO support initialized
> EAL: PCI device 0000:00:19.0 on NUMA socket 0
> EAL:   probe driver: 8086:153a net_e1000_em
> EAL: PCI device 0000:01:00.0 on NUMA socket 0
> EAL:   probe driver: 8086:1572 net_i40e
> EAL: PCI device 0000:01:00.1 on NUMA socket 0
> EAL:   probe driver: 8086:1572 net_i40e
> EAL:   using IOMMU type 1 (Type 1)
> PMD: Global register is changed during enable FDIR flexible payload
> PMD: Global register is changed during support QinQ parser
> PMD: Global register is changed during configure hash input set
> PMD: Global register is changed during configure fdir mask
> PMD: Global register is changed during configure hash mask
> PMD: Global register is changed during support QinQ cloud filter
> PMD: Global register is changed during support TPID configuration
> EAL: PCI device 0000:01:00.2 on NUMA socket 0
> EAL:   probe driver: 8086:1572 net_i40e
> EAL: PCI device 0000:01:00.3 on NUMA socket 0
> EAL:   probe driver: 8086:1572 net_i40e
> PMD: Global register is changed during enable FDIR flexible payload
> PMD: Global register is changed during support QinQ parser
> PMD: Global register is changed during configure hash input set
> PMD: Global register is changed during configure fdir mask
> PMD: Global register is changed during configure hash mask
> PMD: Global register is changed during support QinQ cloud filter
> PMD: Global register is changed during support TPID configuration
> EAL: Waiting for links to come up...
> EAL: Init DONE!
> EAL: Starting I/O threads!
> [INFO] [MPMD] Initializing 1 device(s) in parallel with args:
> mgmt_addr=192.168.12.1,type=n3xx,product=n310,serial=31641BC,claimed=False,use_dpdk=1,addr=192.168.10.2,second_addr=192.168.20.2,master_clock_rate=122.88e6
> [INFO] [MPM.PeriphManager] init() called with device args
> `mgmt_addr=192.168.12.1,product=n310,master_clock_rate=122.88e6,second_addr=192.168.20.2,use_dpdk=1,clock_source=internal,time_source=internal'.
> EAL: Please set IPv4 address for port 0 before opening socket
> [ERROR] [MPMD] Failure during block enumeration: AssertionError: _rx_sock
> != nullptr
>   in uhd::transport::dpdk_zero_copy_impl::dpdk_zero_copy_impl(const
> uhd::transport::uhd_dpdk_ctx&, unsigned int, const string&, const string&,
> const string&, const uhd::transport::zero_copy_xport_params&)
>
> I am also copying the output of "dpdk-devbind  --status" which shows that
> the two interfaces connected to the USRP use the vfio-pci driver for DPDK
>
> Network devices using DPDK-compatible driver
> ============================================
> 0000:01:00.1 'Ethernet Controller X710 for 10GbE SFP+ 1572' drv=vfio-pci
> unused=i40e
> 0000:01:00.3 'Ethernet Controller X710 for 10GbE SFP+ 1572' drv=vfio-pci
> unused=i40e
>
> Network devices using kernel driver
> ===================================
> 0000:00:19.0 'Ethernet Connection I217-LM 153a' if=enp0s25 drv=e1000e
> unused=vfio-pci *Active*
> 0000:01:00.0 'Ethernet Controller X710 for 10GbE SFP+ 1572' if=p1p1
> drv=i40e unused=vfio-pci
> 0000:01:00.2 'Ethernet Controller X710 for 10GbE SFP+ 1572' if=p1p3
> drv=i40e unused=vfio-pci
>
> What surprises me is that in the output of the uhd_usrp_probe, it does not
> say it is using the driver for DPDK. any ideas what could be wrong?
>
> Florian.
> --
> Follow us on Google+ <https://plus.google.com/+OpenairinterfaceOrg>,
> LinkedIn <https://www.linkedin.com/company/openairinterface>, or Twitter
> <https://twitter.com/osalliance5g>!
> _______________________________________________
> USRP-users mailing list
> USRP-users at lists.ettus.com
> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ettus.com/pipermail/usrp-users_lists.ettus.com/attachments/20200103/462e1452/attachment.html>


More information about the USRP-users mailing list