[amsat-bb] Funcube Dongle Pro+ w/GQRX (Ubuntu)

Phil Karn karn at ka9q.net
Sun Oct 11 20:11:26 UTC 2020


On 10/11/20 12:37, Roy Dean via AMSAT-BB wrote:
> And after running GQRX, there are hundreds of these comments after running
> "dmesg":
>
> [  332.396482] usb 1-1.2: cannot submit urb 0, error -28: not enough
> bandwidth
>
Ah ha! The driver wasn't able to reserve enough bandwidth on the USB hub
for the 192 kb/s 16-bit "stereo" audio stream. Try moving it to another
USB port. Most computers have several USB hubs, and it's not obvious how
the various sockets connect to them. Try temporarily disconnecting any
other USB audio interfaces you might have.

Phil





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