Re: USB debouncing?

From: DervishD
Date: Wed Jul 20 2005 - 07:53:13 EST


Hi Pete :)

* Pete Zaitcev <zaitcev@xxxxxxxxxx> dixit:
> On Tue, 19 Jul 2005 18:24:25 +0200, DervishD <lkml@xxxxxxxxxxxx> wrote:
> > I have a new MP3 player, and when I disconnect it from the USB
> > port, my logs says:
> >
> > <30>Jul 19 18:11:05 kernel: usb.c: USB disconnect on device 00:07.3-1 address 2
> > <27>Jul 19 18:11:06 kernel: hub.c: connect-debounce failed, port 1 disabled
> >
> > What is that 'connect-debounce' for? Is the port damaged? Am I
> > doing anything wrong?
[...]
> In this case, when you're pulling the plug the hub receives a
> momentary reconnect, so the software things something else was plugged.
> I think perhaps the resistor harness is not good in the device,
> or perhaps something is wrong with the connector.

The device has a flimsy connector which didn't make good electric
contact, that was the problem. I've returned the device and got a new
one with a different connector that works ok :) Thanks a lot for the
hint, I was assuming some kind of incompatibility or something like
that, and the problem was just electrical.

Thanks :)

Raúl Núñez de Arenas Coronado

--
Linux Registered User 88736 | http://www.dervishd.net
http://www.pleyades.net & http://www.gotesdelluna.net
It's my PC and I'll cry if I want to...
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