Hello all,

Is this problem fixed? If yes, could you please tell how? We have a similar
error, so it would be helpful.

Thanks and regards,
Akın

3 Oca 2020 Cum 23:22 tarihinde Sam Reiter via USRP-users <
usrp-users@lists.ettus.com> şunu yazdı:

> 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@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.
>> --
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