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Re: screen-blanking and horizontal red streaks with a DVI KVM...

On Wed, 3 Sep 2008 00:22:15 -0700
Tom Spindler <> wrote:

> > pkg_info says modular-xorg-drivers-1.3.  The log file says 
> > 
> >     Chipset ATI Radeon X300 (RV370) 5B60 (PCIE) found
> In that case, you may want to look at
> ; it has a bunch
> of discussion on the issue. If your LCD has a mode where it shows you
> the current resolution with frequency, you may want to try pulling
> that up while trying the flickering-inducing behavior. When I had a
> radeon with the same issue, it showed that the frequency would drop
> by several Hz when that behavior happened.
I'll try the patch this weekend, though my symptoms are not quite the
same and only occur when the KVM switch is in use.  As for the
frequency -- it always shows 60 Hz.

                --Steve Bellovin,

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