Yes. We are using a N210 and the memory limits have been updated to 50M. Interesting to hear that it works with Ubuntu17, tho we would like to stick with Debian.
Any other ideas or queations? Meelis 8. sept 2017 6:46 PM kirjutas kuupäeval <mle...@ripnet.com>: > The original e-mail reporting "trouble" didn't specify which USRP device > was involved, so in the interests of clarification and completeness, I > thought that I'd interject about USB devices. Yes, the N2xx and X3xx > devices use a 1GiGe (or optionally 10GiGe for X3xx) for connecting to the > host computer. > > > > > > > On 2017-09-08 11:28, David wrote: > > USRP N2xx or X3xx are network devices? > > On 08/09/17 16:07, mle...@ripnet.com wrote: > > USRP devices that are attached via USB don't use the networking stack, so > tweaking network-stack kernel parameters is irrelevant. > > Since the USB devices use LibUSB, which is entirely user-space, the > transport parameters here should be investigated: > > https://files.ettus.com/manual/page_transport.html#transport_usb_params > > But if problems are occurring at low sample rates, it may be that your USB > subsystem just isn't up to the task. > > > > > > > On 2017-09-08 11:02, David wrote: > > could you explain why please? > > On 08/09/17 15:55, Marcus D. Leech via USRP-users wrote: > > This is presumably a network-attached USRP (N2xx or X3xx)? Otherwise, > network parameters are irrelevant. > > > > > > > On 2017-09-08 10:25, Meelis Nõmm via USRP-users wrote: > > Hello, > > We lately bought 2 new NUC devices (a NUC7i7BNH and a NUC6i7KYK), > installed Debian 9 on it and tested Gnuradio on it. At first we installed > via apt-get. We saw some drops in the gnuradio-companion and had issue with > setting the real-time priority, so we removed it from the system and > installed it again with pybombs. > However, no difference. Today tested it again with UHD provided benchmark > example (for easy reference). Saw occasional drops with Sps from 1e6 to > 10e6. Thought it might be a network driver issue, updated the Intel network > driver with the latest(?) e1000e driver. Still no difference. > > Any ideas, can we fix this somehow? > Thank you > Meelis > > Additional information is in the file attached, but most important system > parameters: > #system > Linux 4.9.0-3-amd64 #1 SMP Debian 4.9.30-2+deb9u3 (2017-08-06) > #Network driver > 00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (2) > I219-LM (rev 31) > filename: /lib/modules/4.9.0-3-amd64/upd > ates/drivers/net/ethernet/intel/e1000e/e1000e.ko > version: 3.3.5.10-NAPI > > > $ ./benchmark_rate --rx_rate 10e6 --duration 300 > > [INFO] [UHDlinux; GNU C++ version 6.3.0 20170516; Boost_106200; > UHD_3.11.0.git-181-g8f9f4184] > > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > > > > _______________________________________________ > USRP-users mailing > listUSRP-users@lists.ettus.comhttp://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > >
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