Subject: Re: resetting USB ports?
To: Michael Graff <firstname.lastname@example.org>
From: Steven M. Bellovin <email@example.com>
Date: 04/13/2005 11:02:01
In message <firstname.lastname@example.org>, Michael Graff writes:
>On Tuesday 12 April 2005 17:19, Richard Rauch wrote:
>> I would rather suggest *disabling* IOAPIC.
>> I saw exactly your problem on my AMD64 box a year ago or so. Somewhere,
>> I got the hint of disabling IOAPIC (I never turned on MPACPI). The probl=
>> went away.
>I've got one better for ya. :)
>I have tried both USB mice and PS/2 mice. The USB port would sometimes just
>vanish, and to syslog it would look like a disconnected, then reconnected
>mouse. Nothing was unplugged, and it would do it while idle and while in
>Switching (using control-alt-F1) to console, then back to X, would "fix" it,
>probably by causing X to reopen the mouse.
Hmm... Following a suggestion I received privately, I switched to a
text console, disconnected and reconnected the mouse, switched back,
and had everything work. I wonder if I can skip the disconnect/
--Prof. Steven M. Bellovin, http://www.cs.columbia.edu/~smb