Re: Bizarre bug...

[esmith <esmith@xxxxxxxxxxxx>]

Sascha Wildner wrote:
> Hi,
>
> my system shows a very weird bug. Believe it or not:
>
> I put in a Matrox Millenium G200 8MB AGP graphics adapter. As soon as I 
> change the graphics mode to VESA_800x600 the system clock gets _fast_. 5 
> seconds real world time make about 1 minute system time.
>
> - This happens with the old vidcontrol as well as with the new one. 
> Phew! :)
>
> - This happens only when I switch to a mode >256.
>
> - This happens only with the Matrox card. We've tried reproducing the 
> behaviour on a friends machine (by booting my kernel) but it worked 
> fine. He has an nVIDIA adapter. Are there any Matrox Millenium AGP users 
> out there?
>
> Since I wanted to have a look at the vesa/syscons stuff anyway I'm 
> rather looking for some gentle advice how one would go about finding the 
> bug. I'm still an amateur debugger.
>
> Regards,
> Sascha

This is because DragonFly is so fast, Earth time actually slows relative 
to your processor.

Joking aside, I duplicated this bug here with the same video card. It's 
kind of comical. Everything runs much, much faster... ping, top, reboot, 
find ... I might just keep this bug.