[ltp] USB
Joel Ebel
linux-thinkpad@linux-thinkpad.org
Mon, 03 Nov 2003 21:34:46 -0500
Sounds like my problems could be different than yours, since I do
experience the problems in windows XP as well. I have not tried a
different USB 2 hub yet, so perhaps I'll try that and see if it has
similar problems.
Joel
Paul Kaplan wrote:
> Thanks for your commiseration. I don't think it's a defective port replicator
> for two reasons(, but I will try re-seating). First, it works fine under
> W2KSP4. Second, I have a(n second) external USB2 hub. It too works
> correctly under W2K no matter whether its plugged in to the box or the
> replicator. However under Linux it is just as flaky as the ports on the
> replicator. I wonder whether the problem is in the 2.4 kernel implementation
> of USB, since it doesn't support hot swapping the way it does under W. I
> gather that 2.6 is supposed to address some of these issues.
> P
>
>
> On Monday 03 November 2003 07:26 am, Joel Ebel wrote:
>
>>I have had similar experiences with my T40. My mouse would jump around
>>and click at random times, and my Sony Clie would only sync when it felt
>>like it. Sometimes devices wouldn't register at all. All when plugged
>>into the port replicator. Everything works fine when plugged directly
>>into the T40. I was usually able to fix the not connecting at all by
>>reseating the T40 in the port replicator, but I could never fix the
>>flakiness. I just use the ports on the T40 directly now. Maybe IBM
>>would replace the port replicator if you tried though. If they do, let
>>me know. I might try myself.
>>
>>Joel
>>
>>Paul Kaplan wrote:
>>
>>>Has anyone gotten the USB ports on a port replicator or an external USB2
>>>hub to work correctly? My USB devices work correctly when plugged
>>>directly into the ports on a T40 itself, but are flaky or totaly
>>>non-functional when plugged into the port replicator or the hub.
>>>I'm using a Mandrake stock 2.4.22 kernel w/ 1Gb memory.
>>>TIA
>>>Paul
>
>