[ltp] FC3 Problem with USB 2 (ehci_hcd) on T40

[Linux Newbie]

I had similar problem and found this command o the web, and it works
fine for me. Log into root user:

modprobe -r ehci-hcd





On Mon, 27 Dec 2004 12:36:23 -0600 (CST), Satish Balay
<balay@fastmail.fm> wrote:
> 
> > Stefan Farestam wrote:
> > >
> > > I have a T40 running Fedora Core 3 and USB2 have stopped working
> > > for me since some time back. Am attaching the error messages that
> > > I see in the syslog both for kernel 2.6.9 and 2.6.10.
> 
> > > Dec 26 17:03:51 lh kernel: usb 1-3: new high speed USB device using address 5
> > > Dec 26 17:03:51 lh kernel: usb 1-3: device not accepting address 5, error -71
> > > Dec 26 17:03:52 lh kernel: usb 1-3: new high speed USB device using
> > > address 10
> > > Dec 26 17:03:53 lh kernel: usb 1-3: device not accepting address 10,
> 
> I get similar messages with usb-2 & fc3 (2.6.9-1.681_FC3)
> 
> Dec 27 12:29:30 asterix kernel: usb 1-3: new high speed USB device using address 3
> Dec 27 12:29:30 asterix kernel: usb 1-3: device not accepting address 3, error -71
> Dec 27 12:29:33 asterix kernel: usb 1-3: new high speed USB device using address 17
> Dec 27 12:29:34 asterix kernel: usb 1-3: device not accepting address 17, error -71
> 
> Have you tried 'WinXP' to see if the USB-2 device works?  The message
> I get with WinXP is 'warning: plugging in a usb-2 device on a usb-1
> port' or something like that.
> 
> My guess is - USB-2 ports on the MB are 'fried'. The same thing
> happend for a collegue (WinXP only user) - who got it fixed via
> warrenty service. (I haven't yet tried to get my T40 fixed)
> 
> With linux - I'm able to use the device with usb-1 (by removing
> ehci_hcd module).
> 
> Satish
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