[USRP-users] B205 Mini Problem

Richard Bell richard.bell4 at gmail.com
Tue Oct 10 04:30:45 EDT 2017


I still haven't gotten anywhere with this. Can someone tell me if they've
gotten a B205 Mini working through Virtual Box with Ubuntu 16.04?

On Sun, Oct 8, 2017 at 3:31 PM, Richard Bell <richard.bell4 at gmail.com>
wrote:

> Hi all,
>
> I'm trying to use a B205 Mini on my Surface Book with Ubuntu 16.04 running
> in a virtual box. When I press the reset button on the B205 mini itself,
> and then run uhd_find_devices, this is what is returned:
>
> ~$ uhd_find_devices
> [INFO] [UHDlinux; GNU C++ version 5.4.0 20160609; Boost_105800;
> UHD_3.11.0.git-233-g25fc32af]
> [INFO] [B200] Loading firmware image: /home/iris/Documents/
> grprefix1/share/uhd/images/usrp_b200_fw.hex...
> [ERROR] [USB] USB open failed: insufficient permissions.
> See the application notes for your device.
>
> [ERROR] [USB] USB open failed: insufficient permissions.
> See the application notes for your device.
>
> --------------------------------------------------
> -- UHD Device 0
> --------------------------------------------------
> Device Address:
>     serial: 3123C65
>     name: B205i
>     product: B205mini
>     type: b200
>
>
> It is seeing the device even though the permissions error occurs. In the
> past whenever I've run into these USB permissions problems, I copied the
> uhd-usrp.rules file to /etc/udev/rules.d and it solved it. This time it's
> not going away.
>
> When I run uhd_usrp_probe I get this error:
>
> ~$ uhd_usrp_probe
> [INFO] [UHDlinux; GNU C++ version 5.4.0 20160609; Boost_105800;
> UHD_3.11.0.git-233-g25fc32af]
> [INFO] [B200] Detected Device: B205mini
> [INFO] [B200] Loading FPGA image: /home/iris/Documents/
> grprefix1/share/uhd/images/usrp_b205mini_fpga.bin...
> [INFO] [B200] Operating over USB 3.
> [ERROR] [UHD] Exception caught in safe-call.
>   in virtual radio_ctrl_core_3000_impl::~radio_ctrl_core_3000_impl()
>   at /home/iris/Documents/grprefix1/src/uhd/host/lib/
> usrp/cores/radio_ctrl_core_3000.cpp:73
> this->peek32(0); _async_task.reset(); -> AssertionError: accum_timeout <
> _timeout
>   in uint64_t radio_ctrl_core_3000_impl::wait_for_ack(bool)
>   at /home/iris/Documents/grprefix1/src/uhd/host/lib/
> usrp/cores/radio_ctrl_core_3000.cpp:230
>
> Error: AssertionError: accum_timeout < _timeout
>   in uint64_t radio_ctrl_core_3000_impl::wait_for_ack(bool)
>   at /home/iris/Documents/grprefix1/src/uhd/host/lib/
> usrp/cores/radio_ctrl_core_3000.cpp:230
>
> I've run uhd_images_downloader to make sure I was using the latest image
> as well. I'm not sure how to fix this.
>
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