F16 beta TC1 garbled graphical screen [workaround]

[Jurgen Kramer]

On Sat, 2011-09-03 at 01:09 -0700, Adam Williamson wrote:
> On Sat, 2011-09-03 at 09:32 +0200, Jurgen Kramer wrote:
<snipped> 
> > This on a 2011 mac mini with Intel Sandybridge mobile and HD3000 gpu
> > (X.log shows Sandybridge Mobile (GT2+)).
> > It seems the screen is garbled when de fb driver is used. The screen
> > gets to a normal state when the X driver is loaded.
> > When I boot in legacy mode I do not have this issue, so it's EFI only.
> > It seems this also dependent on the display that is connected.
> > 
> > My normal display is 1680x1050 and gives the garbled screen. With
> > another display with 2560x1440 resolution I do not get the garbled
> > screen.
> 
> aha. pjones actually guessed that the system might be a Mac, and said if
> so, try "the version of grub I built yesterday." - so he thinks it
> should be fixed with grub2-1.99-1 or higher. Get -4, as -1 had a nasty
> issue. http://koji.fedoraproject.org/koji/buildinfo?buildID=261625
Thanks. As I have this only when booting from install media, I will
verify with Beta TC2 or the first media which includes this updated
grub.

Jurgen