On Wed, May 09, 2007 at 01:59:37AM +0200, Hans-Joachim Zierke wrote:
>
> Several attempts were undertaken, to solve the problem with different
> video modes, especially modes very close to each other. No success.
>
>
> Several kernel attributes for the framebuffer were tried, like
> init - noinit etc. No success.
>
>
> Different settings for the X-Server were tried. Of these, setting
> Option "UseFBDev" "true"
> has shown an effect: Instead of a system crash after every ~20th switch
> or so, the system crashed for every ~2nd switching.
>
>
> Workaround for the problem is the following: Don't use the MGA driver
> for the X-Server. Instead, use the framebuffer driver for the X-Server.
> After doing so, the system didn't crash for several days, which is only
> a preliminary result, but already a phantastic one.
> (I haven't seen such unreliable system since the days of DOS cache
> programs playing with the A20 gate.)
>
>
> I'm not sure, which MGA driver is at fault: fb or xorg.
Did you upgrade to Lenny in the mean time? If so, does the error
persist?
Cheers,
Moritz
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