Did you follow the instructions in the output and resize the rmem and wmem buffers? Please run: sudo sysctl -w net.core.rmem_max=24266666 Please run: sudo sysctl -w net.core.wmem_max=24266666
On Wed, Aug 14, 2019 at 12:24 PM Marcus D. Leech via USRP-users < usrp-users@lists.ettus.com> wrote: > On 08/14/2019 01:49 PM, Tellrell White wrote: > > Marcus > I am running this in a Linux based VM running Ubuntu 16.04 LTS. The laptop > I'm using is a Dell Precision 7730 with a Intel Xeon processor w/ cpu @ > 2.90 GHz. It also has 64 GB or RAM. I'm using the 1 GbE on Ethernet port 0 > on the X310. I'm using a sample rate of 1 MHz and center freq of 2.45 Ghz. > Also, i'm using an older version of GNU Radio: 3.7.7 > > VM ethernet performance and reliability has not been that good. Can you > try this on "bare metal"?? > > Also, what happens if you just use one of the UHD test tools, like > "benchmark_rate" ? > > > > On Wednesday, August 14, 2019, 10:04:39 AM EDT, Marcus D. Leech > <patchvonbr...@gmail.com> <patchvonbr...@gmail.com> wrote: > > > On 08/14/2019 12:38 AM, Tellrell White wrote: > > Marcus > > > > However, I re-flashed the device with " uhd_image_loader --args type=x300" > , power cycled and after running uhd_usrp_probe > get what's shown below. This doesn't seem to be the new image. It's > showing RFNoC blocks from a previous image that was installed prior to my > use and when I try to run a flowgraph I'm getting the same error as > mentioned in my previous message. Ideas?? > > These just look like the standard RFNOC blocks for X310. Keep in mind > that internally, for several releases, UHD uses RFNOC, even if your > code doesn't. > > What type of hardware is this running on? What kind of ethernet interface > is connected to the X310? > > What sample rate are you using? > > What OS version? Within a VM, or on raw hardware? > > > > > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >
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