What do these messages in syslog mean (stops my trackball working)?

[Colin Law]

On 12 October 2013 09:35, Gene Heskett <gheskett at wdtv.com> wrote:
> On Saturday 12 October 2013 04:30:27 Colin Law did opine:
>
>> On 11 October 2013 11:32, Chris Green <cl at isbd.net> wrote:
>> > I have a Logitech wireless trackball that I use with my Acer Aspire
>> > netbook running Xubuntu 12.10.  It works for quite a while (random
>> > amounts of time) and then stops, the following messages appear in
>> > syslog when it stops:-
>> >
>> >     Oct 11 11:24:06 acer-aspire kernel: [ 7812.377726] uhci_hcd
>> >     0000:00:1d.1: >host controller process error, something bad
>> >     happened! Oct 11 11:24:06 acer-aspire kernel: [ 7812.377751]
>> >     uhci_hcd 0000:00:1d.1: >host controller halted, very bad! Oct 11
>> >     11:24:06 acer-aspire kernel: [ 7812.377781] uhci_hcd
>> >     0000:00:1d.1: >HC died; cleaning up Oct 11 11:24:06 acer-aspire
>> >     kernel: [ 7812.378030] usb 3-1: >USB disconnect, device number 2
>> >
>> > An identical Logical trackball works perfectly with Xubuntu 12.10 on
>> > my desktop machine.
>>
>> I would initially suspect a hardware fault.  Swap the trackballs
>> between the machines (including the receivers).  That will tell you
>> whether it is the machine or the trackball that is faulty.  Also try
>> different USB ports to see if it is a fault with one of the ports.
>>
>> Colin
>
> I wonder if this is somehow connected to a problem I am having with an MS
> mouse with the touchpad scroll wheel. Function of scroll is quite
> unpredictable, and at times quits working altogether, or causes a sideways
> scroll when my hand isn't touching the mouse but pick up the mouse turn it
> over, turn its switch off for a couple seconds, turn it on and its back to
> its usual spastic self.  For 2, maybe 3 or 4 days.

Not likely connected, unless you are getting similar messages in syslog

Colin

>
> Cheers, Gene
> --
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
>
> It does not do to leave a live dragon out of your calculations.
> A pen in the hand of this president is far more
> dangerous than 200 million guns in the hands of
>          law-abiding citizens.
>
> --
> ubuntu-users mailing list
> ubuntu-users at lists.ubuntu.com
> Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-users