Dear Larry,
Not sure if this will help, but I had the observed behaviour when updating some packages of the stock SL5.5 x386 LiveDVD using yumex. The OS was installed on a USB stick. (Unfortunately, I didn't pursue it further: I assumed it was freak given occasional corruption of my USB stick.) This was on an AMD 64 bit machine with an nvidia graphics card that I happened on.

As I recall, the USB mouse and keyboard stopped working with a message that interrupt 193 (I think) was henceforth ignored. However, I regained keyboard control when I attached a PS/2 keyboard. (I didn't have a PS/2 Mouse to try out.) On reboot, I didn't have the problem again!

Hope the above is of help

William.

--- On Tue, 2/15/11, Larry Vaden <[log in to unmask]> wrote:

> From: Larry Vaden <[log in to unmask]>
> Subject: a request for independent confirmation|refutation of observed behavior of 5.6 x86_64 X11
> To: [log in to unmask]
> Date: Tuesday, February 15, 2011, 12:19 AM
> Hello SL list members,
> 
> This is a request for independent confirmation or
> refutation of
> observed behavior of 5.6 x86_64 X11.
> 
> The observed behavior is that X11 on an AMD 64 locks up
> when probed
> with 'nmap -A -PN host.domain.tld' (Nmap v 4.11 from 5.6)
> whereas it
> does not lock up when probed with a relatively recent
> release, Nmap
> 5.21.
> 
> Specifically, the console session's mouse pointer can still
> be moved,
> but mouse clicks and the keyboard aren't functional.
> 
> Further, other jobs running in non-X11 mode proceed as
> normal.
> 
> If you can confirm or refute this observed behavior, please
> reply.
> 
> kind regards/ldv
> 


 
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