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-   -   overclocking AMD64 gives X mouse/keyboard problems (http://www.linux-archive.org/debian-user/32495-overclocking-amd64-gives-x-mouse-keyboard-problems.html)

michael 01-08-2008 10:26 PM

overclocking AMD64 gives X mouse/keyboard problems
 
On Sat, 2008-01-05 at 20:43 +0000, michael wrote:
> On Fri, 2008-01-04 at 12:16 +0000, michael wrote:
> > On Thu, 2008-01-03 at 15:51 +0000, michael wrote:
> > > I've not managed to define precisely when I get problems but I'm
> > > noticing
> > > the following symptoms and was wondering if some kind soul would help me
> > > debug what's going on in order to get to a solution? Thanks, Michael
> > >
> > > set-up: etch, gnome (eg gnome-core 2.14.3.6), metacity 2.14.5-4 and
> > > Dell/Logitech USB optical mouse (seems to work fine in WinXP), with
> > > nVidia graphics card/TwinView and 2 monitors (diff resolutions)
> > >
> > > symptoms (occasional and not sure how to repeat)
> > >
> > > a) double clicking won't select anything
> > > b) in evolution, clicking on a new message or folder has no effect
> > > c) the cursor (arrowhead) disappears - if I set prefs to show cursor by
> > > depressing 'CNTL' I get the moving rectangles but there's no cursor
> > > there)
> > > d) focus doesn't move to new window (as it should and usually does)
> > >
> > > I think the following is also a symptom but not 100% sure:
> > > e) doing ALT-TAB to move between windows does nothing on very first
> > > ALT-TAB
> > >
> > > If it's the keyboard that's failed then using I also cannot get Gnome
> > > menus (it selects the top level but nothing is shown) but can use the
> > > mouse to open more new app/windows and then at some pt the keyboard
> > > seems to be 'reset' such that it starts working again.
> > >
> > > I've tried KDE and that also has the keyboard not responding (eg if I
> > > try to switch desktops quickly then the keyboard stops responding) -
> > > opening the control centre and changing options in there appears to
> > > 'reset' the keyboard.
> > >
> > > Any thoughts either on what's going on or how to debug it to narrow
> > > down the issues? I've asked on the Debian mailing list but am still
> > > stuck. I've had this line in my xorg.conf re Mouse device:
> > > Option "Protocol" "ImPS/2"
> > > although it's a USB mouse I'm using, but commenting it out I still see the same issues
> >
> > adding boot kernel option 'noapic' (as suggested on some fora) doesn't
> > help

the problem seems to be over-clocking the AMD chip. if i don't overclock
(in BIOS) all is fine. I presume X/USB/{what?} has a timing problem for
overclocking?


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