[USRP-users] B210 UHD Error

Martin Braun martin.braun at ettus.com
Tue Sep 30 12:10:54 EDT 2014


thanks, this is useful information. We are currently working on this 
bug, but unfortunately, it only occurs with some B-Series boards, and 
any bug that occurs once every couple of hours is hard to debug.

Could you please help us by providing additional info:

- Is this behaviour rate-dependent? Does it happen more easily at high 
- You are connected to USB 3, I presume?
- Which rev board do you have?
- Just to be sure: You have a B210, and not a B200, right?

Thanks for your help with this -- any datapoint we get will accelerate 
any solution we can come up with.


On 30.09.2014 07:39, Terry Stevenson via USRP-users wrote:
> Hi,
> I'm using a USRP B210 and I've encountered what seems to be a driver
> error. When running the uhd_fft program (packaged with GnuRadio) it will
> run smoothly for a few minutes, then become very laggy, then freeze and
> begin printing "UHD Error: The receive packet handler caught an
> exception. RuntimeError: usb rx6 transfer status 5".
> At first I was using UHD 3.7.2, and I saw that another user had a
> similar problem, so I reverted to 3.7.1. Now it will run for several
> hours, but the same problem eventually occurs. My motherboard chipset is
> Intel Z77 Express, if that helps.
> Thanks,
> Terry
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> USRP-users at lists.ettus.com
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