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Re: [Discuss-gnuradio] GnuRadio 3.1.1 and USRP on Fedora 8
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] GnuRadio 3.1.1 and USRP on Fedora 8 |
Date: |
Tue, 12 Feb 2008 12:44:20 -0800 |
User-agent: |
Mutt/1.5.17 (2007-11-01) |
On Tue, Feb 12, 2008 at 12:25:04PM -0800, Johnathan Corgan wrote:
> On 2/12/08, Ed Criscuolo <address@hidden> wrote:
>
> > Has anyone else seen this?
>
> Can you confirm that you are in fact using a USB 2.0 controller? Your
> symptoms are consistent with what happens when you have USB 1.1. The
> enumeration is able to successfully occur, so you get the device,
> etc., but when the host tries to establish a high speed endpoint for
> data transfer, it fails.
You can check this with:
$ lsmod | grep ehci
ehci_hcd 39117 0
ehci_hcd us the name of the USB 2.0 host driver
ohci_hcd and uhci_hcd are the USB 1.1 host drivers.