[USRP-users] B210 USB transfer error

Marcus D. Leech mleech at ripnet.com
Fri Sep 19 17:04:55 EDT 2014

> I tried the 3.14.0 kernel on Ubuntu 14.04 for the BRIX (UHD 3.7.1) and 
> still continue to see the same error message as the OP.
Could you also update to UHD 3.7.2 ?

> ------------------------------------------------------------------------
> *From: *"Tony Arkles" <t.arkles at gmail.com>
> *To: *mleech at ripnet.com
> *Cc: *"Paul W Garver" <garverp at gatech.edu>, usrp-users at lists.ettus.com
> *Sent: *Friday, September 19, 2014 2:43:30 PM
> *Subject: *Re: [USRP-users] B210 USB transfer error
> I was having a similar problem on Ubuntu 14.04. Exact same error 
> message. It wasn't really sample rate dependent, I was seeing it at 
> 4MS/s, which worked fine over usb2.
> I ended up upgrading to a 3.14 kernel (using ubuntu .debs from a newer 
> version) and it cleared up. There were notes in the change log for the 
> kernel saying that there were fixes for the Intel USB3 chipset.
> On Sep 19, 2014, at 11:45 AM, "Marcus D. Leech via USRP-users" 
> <usrp-users at lists.ettus.com <mailto:usrp-users at lists.ettus.com>> wrote:
>     I'd like to understand if this is sample-rate dependent.  Does it
>     happen more frequently at higher samples rates, or is it just
>     dependent on
>       runtime?  What about when on USB-2.0?
>     A goodly chunk of the R&D team at Ettus are on the road until Monday.
>     On 2014-09-19 13:29, Garver, Paul W via USRP-users wrote:
>         I can also report I have had this exact same issue with a B200, although I typically run rx_samples_to_file.  I've also tried external power to no avail.  I've also run the B200 on the haswell Intel NUC which also has the series 8/C210 USB 3.0 controller.  I haven't seen this issue yet on the NUC but I don't have a lot of runtime on it yet.
>         Could you please post your results to the mailing list or can Ettus support contact me offline?  I'm very interested in the resolution to this issue.
>         System Info:
>         Gigabyte Brix GB-BXi7-4770R
>         Ubuntu 14.04 64 bit
>         Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 05)
>         PWG
>         Date: Fri, 19 Sep 2014 02:08:04 +0000
>         From: "Nowlan, Sean"<Sean.Nowlan at gtri.gatech.edu  <mailto:Sean.Nowlan at gtri.gatech.edu>>
>         To: "USRP-users at lists.ettus.com  <mailto:USRP-users at lists.ettus.com>"<USRP-users at lists.ettus.com  <mailto:USRP-users at lists.ettus.com>>
>         Subject: [USRP-users] B210 USB transfer error
>         Message-ID:
>         	<625d92335cfe4d91923faf730b3e2a97 at apatlisdmail01.core.gtri.org  <mailto:625d92335cfe4d91923faf730b3e2a97 at apatlisdmail01.core.gtri.org>>
>         Content-Type: text/plain; charset="us-ascii"
>         Hi all -
>         I've seen this pop up now and again on this list. Basically while running an RX operation (osmocom_fft or uhd_fft) the B210 will sporadically disconnect from the USB 3.0 hub and then it will immediately reconnect. I can see this in dmesg and /var/log/syslog. It was suggested to me that this may be a power brown out issue since I have a TCXO GPSDO module mounted on board, but I observe the same error even while connected to wall power through the standard 6V, 3A power supply. Here is the console output I see.
>         UHD Error:
>              The receive packet handler caught an exception.
>              RuntimeError: usb rx6 transfer status: 5
>         UHD source block got error code 0xf
>         terminate called after throwing an instance of 'uhd::runtime_error'
>            what():  RuntimeError: usb tx4 submit failed: LIBUSB_ERROR_NO_DEVICE
>         Aborted (core dumped)
>         System info:
>         Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz
>         USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)
>         Ubuntu 14.04 LTS
>         linux; GNU C++ version 4.8.2; Boost_105400; UHD_003.007.002-94-ge56809a0?
>         Sean
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Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium

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