Hello Marcus I am running at a sample rate of 2e6. What I am doing is tuning the usrp and streaming samples for 1 sec and then stopping the stream and re-tuning to another frequency and doing the same. My ethernet controller details are as follows: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 07).
Regards Snehasish ________________________________ From: USRP-users <usrp-users-boun...@lists.ettus.com> on behalf of Marcus D. Leech via USRP-users <usrp-users@lists.ettus.com> Sent: Sunday, December 22, 2019 10:15 PM To: usrp-users@lists.ettus.com <usrp-users@lists.ettus.com> Subject: Re: [USRP-users] uhd error On 12/22/2019 11:15 AM, Snehasish Kar via USRP-users wrote: Hello Does anyone have a idea why the following error occurs terminate called after throwing an instance of 'uhd::io_error' what(): EnvironmentError: IOError: [0/Radio_1] sr_write() failed: EnvironmentError: IOError: Block ctrl (CE_02_Port_50) no response packet - AssertionError: bool(buff) in uint64_t ctrl_iface_impl<_endianness>::wait_for_ack(bool, double) [with uhd::endianness_t _endianness = (uhd::endianness_t)0u; uint64_t = long unsigned int] at /home/snehasish/dsp_dev/uhd-3.14.1.1/host/lib/rfnoc/ctrl_iface.cpp:142 Aborted (core dumped) I am using uhd-3.14.1.1 with NI USRP 2955. Regards Snehasish What sample rate are you running at? Why type of network card do you have? There are some Intel network chips that drop packets silently, and that can cause this problem.
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