Mouse suddenly gets detached and reattached

[Bahman M.]

The problem was the device itself. After testing it with other USB
ports as you suggested I found that I'd better replace it with a new
one.
Thank you.

Bahman

On 8/26/07, Pieter de Goeje <pieter at degoeje.nl> wrote:
> On Saturday 25 August 2007, Bahman M. wrote:
> > Hi all,
> >
> > I just installed X (xorg 7.2) and am using FluxBox. It's working well
> > and there are no problems. However, the mouse gets suddenly detached
> > and immediately reattached. I can't say exactly how often this
> > happens, roughly about 6~7 times a day.
> >
> > # dmesg | tail -n 4
> > ums0: at uhub0 port 1 (addr 2) disconnected
> > ums0: detached
> > ums0: vendor 0x05e3 USB Mouse, rev 1.10/1.00, addr 2, iclass 3/1
> > ums0: 5 buttons and Z dir.
> >
> > # sudo sysctl -a | grep ums
> > dev.ums.0.%desc: vendor 0x05e3 USB Mouse, rev 1.10/1.00, addr 2, iclass 3/1
> > dev.ums.0.%driver: ums
> > dev.ums.0.%location: port=0 interface=0
> > dev.ums.0.%pnpinfo: vendor=0x05e3 product=0x1205 devclass=0x00
> > devsubclass=0x00 release=0x0100 sernum="" intclass=0x03
> > intsubclass=0x01
> > dev.ums.0.%parent: uhub0
> >
> > # uname -ai
> > FreeBSD attila 6.2-RELEASE FreeBSD 6.2-RELEASE #0: Fri Jan 12 10:40:27
> > UTC 2007     root at dessler.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
> >  i386 GENERIC
> >
> > Is it sign of a problem? In fact I don't care about the hardware as it
> > can be easily replaced, I'm afraid that there's something wrong with
> > software.
> >
> > Thanks in advance for your help.
> >
> > Bahman
> An obvious test would be to connect the mouse to another usb port and/or
> controller. Maybe the mouse is flaky; try exchanging it with another. There
> could be a fracture in the mouse cord.
>
> Try to rule out hardware failure first.
>
> Hope this helps,
> Pieter de Goeje
>