Hi,
On my ThinkPad T41 USB 2.0 behaves strange. Most USB 2.0 devices, refuse
to function as such. Under Windows I get a message that I should plug
the device into a USB 2.0 port (but it continues to function as USB
1.1), while under Linux I need to manually unload ehci-hcd before I can
access
Alan Stern wrote:
> Robert, it would help somewhat if you could build a kernel with
> CONFIG_USB_DEBUG turned on and post the dmesg log showing what happens
> when you plug in one of those non-working devices.
>
Sorry, yes I should have done that before...
> Yes, in principle Linux can be made
Alan Stern wrote:
> Okay. It's clear that you've got a hardware problem of some sort.
> Hard to say what it is, but evidently the EHCI controller thinks that
> the device is repeatedly being unplugged and replugged.
>
> Anyway, this isn't a problem of recognizing that a single device is
> havin
Alan Stern wrote:
> On Tue, 12 Jun 2007, Robert de Rooy wrote:
>
>
>> Yes that works.
>> I tried to plug and unplug the device repeatedly and each time it came
>> up in full-speed mode.
>>
>
> Good! I'm glad that "companion" attribut