Hi Marcus, Yes indeed. original cable.
BTW, additional information: Different ports have different durations before they crash. Specifically, ports on one side survive much longer than the other side. This holds while the ports share similar color and marking. BR, Steve On Mon, Jul 12, 2021 at 10:37 PM Marcus D Leech <[email protected]> wrote: > Are you using the Ettus supplied cable? > > Controllers will disconnect devices when they sense excess noise on the > cable. > > > > Sent from my iPhone > > On Jul 12, 2021, at 3:27 PM, shachar J. brown <[email protected]> > wrote: > > > Hi Marcus, > > Thanks for the reply. > > I believe this is not a power problem as the B210 was fed with an external > power. > The problem still thrives, any further suggestions are more than welcomed. > > BR, > Steve > > On Thu, Jun 24, 2021 at 7:28 PM Marcus D. Leech <[email protected]> > wrote: > >> On 06/24/2021 02:31 AM, shachar J. brown wrote: >> >> Hi everyone, >> >> I am trying to run the given tx_samples_from_file example. >> Unfortunately, I keep receiving the uhd::usb_error, approximately 5-30 >> minutes into the run. >> >> *Technical specs:* >> USRP: B210. >> Host: Intel Nuc, Core i7, 8th gen. >> OS: Ubuntu 20 >> UHD Version: 4.1.0 >> USB Controler: XHCI (USB3). >> >> >> *Error print: * >> [ERROR] [TX-STREAM] The tx_stream timed out sending 5000 samples (4080 >> sent). >> [ERROR] [UHD] An unexpected exception was caught in a task loop.The task >> loop will now exit, things may not work.EnvironmentError: IOError: usb rx8 >> transfer status: LIBUSB_TRANSFER_NO_DEVICE >> terminate called after throwing an instance of 'uhd::usb_error' >> what(): RuntimeError: USBError -4: usb tx4 submit failed: >> LIBUSB_ERROR_NO_DEVICE >> Aborted (core dumped) >> >> >> *dmesg output: * >> [19924.922965] usb 4-2: USB disconnect, device number 7 >> [19925.195595] usb 4-2: new SuperSpeed Gen 1 USB device number 8 using >> xhci_hcd >> [19925.217437] usb 4-2: LPM exit latency is zeroed, disabling LPM. >> [19925.220417] usb 4-2: New USB device found, idVendor=2500, >> idProduct=0020, bcdDevice= 0.00 >> [19925.220422] usb 4-2: New USB device strings: Mfr=1, Product=2, >> SerialNumber=3 >> [19925.220426] usb 4-2: Product: USRP B200 >> [19925.220429] usb 4-2: Manufacturer: Ettus Research LLC >> [19925.220431] usb 4-2: SerialNumber: 31F80A2 >> >> Is anyone familiar with this fault? >> I would appreciate any help on the matter. >> >> Thanks in advance, >> Steve >> >> >> My guess is that your NUC USB controller is unhappy with power >> consumption. Are you using external power on the B2xx, or relying >> on USB3 power? >> >> Also, several years ago, there was an interaction between certain >> controllers and kernel power-saving features that caused the >> controller to disconnect stuff even if it was being used. But I can't >> for the live of me remember which driver parameter one >> had to change to fix this. It has been several years since this was a >> problem. >> >> >> _______________________________________________ >> USRP-users mailing list -- [email protected] >> To unsubscribe send an email to [email protected] >> >
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