[USRP-users] uhd error

Neel Pandeya neel.pandeya at ettus.com
Tue Oct 20 09:14:48 EDT 2015


I'm glad things are working for you now.

USB performance and stability is not always good under a virtual machine,
and can be tricky to configure. VirtualBox 4 did not handle USB 3.0 well,
but I think VirtualBox 5 now has USB 3.0 support, if you install the
Extension Pack.

--Neel



On 19 October 2015 at 17:48, 18740449846 <18740449846 at 163.com> wrote:

> hi neel
> this problem have been solved. i use b200 in vmwork there is this problem.
> but when i changed into ubuntu (not a virtual system) there is no problem
> .thank you
>
> 来自我的华为手机
>
>
> -------- 原始邮件 --------
> 主题:Re: [USRP-users] uhd error
> 发件人:Neel Pandeya
> 收件人:cdl <18740449846 at 163.com>
> 抄送:usrp-users at lists.ettus.com
>
>
> Which USB controller do you have?
>
> Which kernel version are you running?
>
> --Neel
>
>
>
> On 15 October 2015 at 07:53, cdl via USRP-users <
> usrp-users at lists.ettus.com> wrote:
>
>> hello everyone
>> i am runing the gnuradio/gr-digital/examples/demod/gmsk_loopback.grc
>> mine dev is usrp b200 with the usb2.0,
>> then i got the message
>> linux; GNU C++ version 4.8.4; Boost_105500; UHD_003.010.git-33-g9401bdbd
>>
>> -- Detected Device: B200
>> -- Operating over USB 2.
>> -- Initialize CODEC control...
>> -- Initialize Radio control...
>> -- Performing register loopback test... pass
>> -- Performing CODEC loopback test... pass
>> -- Setting master clock rate selection to 'automatic'.
>> -- Asking for clock rate 16.000000 MHz...
>> -- Actually got clock rate 16.000000 MHz.
>> -- Performing timer loopback test... pass
>> -- Asking for clock rate 32.000000 MHz...
>> -- Actually got clock rate 32.000000 MHz.
>> -- Performing timer loopback test... pass
>> -- Asking for clock rate 40.960000 MHz...
>> -- Actually got clock rate 40.960000 MHz.
>> -- Performing timer loopback test... pass
>> Using Volk machine: sse4_2_32
>> -- Asking for clock rate 40.960000 MHz... OK
>> -- Asking for clock rate 40.960000 MHz... OK
>> -- Asking for clock rate 40.960000 MHz... OK
>> -- Asking for clock rate 40.960000 MHz... OK
>>
>> UHD Error:
>>     recv packet demuxer unexpected sid 0xfffdfffc
>>
>> UHD Error:
>>     recv packet demuxer unexpected sid 0x20001
>>
>> UHD Error:
>>     recv packet demuxer unexpected sid 0xfff30008
>>
>> UHD Error:
>>     recv packet demuxer unexpected sid 0x0
>>
>> UHD Error:
>>     recv packet demuxer unexpected sid 0x0
>>
>> UHD Error:
>>     recv packet demuxer unexpected sid 0x0
>>
>> i wants to konw what this mean and how to solve this error
>> thank you
>>
>>
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>>
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>>
>
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