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List:       linux-usb-users
Subject:    Re: [Linux-usb-users] Problems with usb mouses
From:       Alan Stern <stern () rowland ! harvard ! edu>
Date:       2007-03-28 15:29:43
Message-ID: Pine.LNX.4.44L0.0703281126030.6575-100000 () iolanthe ! rowland ! org
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On Tue, 27 Mar 2007, Fernando Marcelo Morgenstern wrote:

> Hello,
> 
> I got a laptop a few days ago and installed Debian Etch on it. I really 
> doesn't like the touchpad so i took my two years old mouse from my desktop.
> 
> Altought it is a usb mouse i was using as PS/2 ( on my desktop ) with an 
> adapter. So i plugged the mouse on one of the usb ports at the laptop 
> and it didn't worked. I took a look at xorg.conf and everything was fine 
> there. Then i looked at syslog and saw lots of errors like those ones
> 
> Mar 27 17:54:16 debian-note kernel: usb 2-2: new low speed USB device 
> using uhci_hcd and address 6
> Mar 27 17:54:20 debian-note kernel: usb 2-2: device descriptor read/64, 
> error -110
> Mar 27 17:54:35 debian-note kernel: usb 2-2: device descriptor read/64, 
> error -110
> Mar 27 17:54:35 debian-note kernel: usb 2-2: new low speed USB device 
> using uhci_hcd and address 7
> Mar 27 17:54:39 debian-note kernel: usb 2-2: device descriptor read/64, 
> error -110
> Mar 27 17:54:54 debian-note kernel: usb 2-2: device descriptor read/64, 
> error -110
> Mar 27 17:54:54 debian-note kernel: usb 2-2: new low speed USB device 
> using uhci_hcd and address 8
> Mar 27 17:55:05 debian-note kernel: usb 2-2: device not accepting 
> address 8, error -110
> Mar 27 17:55:05 debian-note kernel: usb 2-2: new low speed USB device 
> using uhci_hcd and address 9
> Mar 27 17:55:16 debian-note kernel: usb 2-2: device not accepting 
> address 9, error -110
> Mar 27 17:57:09 debian-note kernel: usb usb2: Controller not stopped yet!
> 
> Well, i unplugged the mouse and took it back to the desktop. At this 
> time the mouse was not working anymore, either on usb and ps/2. It just 
> doesn't work. There is power but i get those errors on syslog.
> 
> Today i tought, that was a 2 years old mouse, it's time to buy a new 
> one. So i bought a new mouse, plugged it on my laptop and it worked 
> perfectly.
> 
> Five hours after using it, the mouse suddenly stopped. I unplugged it 
> and plugged again. Syslog was showing the same problems with the new 
> mouse!!!
> 
> I changed to another port and it started to work again. Here is the 
> syslog of this exactly moment:
> 
> Mar 27 17:54:16 debian-note kernel: usb 2-2: new low speed USB device 
> using uhci_hcd and address 6
> Mar 27 17:54:20 debian-note kernel: usb 2-2: device descriptor read/64, 
> error -110
> Mar 27 17:54:35 debian-note kernel: usb 2-2: device descriptor read/64, 
> error -110
> Mar 27 17:54:35 debian-note kernel: usb 2-2: new low speed USB device 
> using uhci_hcd and address 7
> Mar 27 17:54:39 debian-note kernel: usb 2-2: device descriptor read/64, 
> error -110
> Mar 27 17:54:54 debian-note kernel: usb 2-2: device descriptor read/64, 
> error -110
> Mar 27 17:54:54 debian-note kernel: usb 2-2: new low speed USB device 
> using uhci_hcd and address 8
> Mar 27 17:55:05 debian-note kernel: usb 2-2: device not accepting 
> address 8, error -110
> Mar 27 17:55:05 debian-note kernel: usb 2-2: new low speed USB device 
> using uhci_hcd and address 9
> Mar 27 17:55:16 debian-note kernel: usb 2-2: device not accepting 
> address 9, error -110
> Mar 27 17:57:09 debian-note kernel: usb usb2: Controller not stopped yet!
> Mar 27 17:58:23 debian-note kernel: usb 1-1: new low speed USB device 
> using uhci_hcd and address 3
> Mar 27 17:58:23 debian-note kernel: usb 1-1: configuration #1 chosen 
> from 1 choice
> Mar 27 17:58:23 debian-note kernel: input: Topro USB Mouse as 
> /class/input/input8
> Mar 27 17:58:23 debian-note kernel: input: USB HID v1.10 Mouse [Topro 
> USB Mouse] on usb-0000:00:10.0-1
> Mar 27 18:00:32 debian-note kernel: usb 1-1: USB disconnect, address 3
> 
> 
> According to what i see at the first moment the mouse was recognized as 
> a usb 2.0 device ( it's a usb 1.0 ) so it did not worked. After that, it 
> was recongnzed corretly as a usb 1.0 device and worked.

No, you aren't reading the log correctly.  The "usb 2-2" and "usb 1-1" 
indicate which controller and which port the mouse is plugged into.  They 
have nothing to do with whether it is recognized as a USB 1.1 or USB 2.0 
device.

The conclusion we can draw is that one of your USB ports (or maybe all the 
ports connected to controller 2) isn't working.  The port on controller 1 
does work.

> How can i fix this?

It might be a problem with the cabling inside the computer case,
connecting the port to the USB controller on the motherboard.  Or it might 
be that the USB controller itself is broken, in which case there's nothing 
you can do except to avoid using it.

Alan Stern


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