[Bug 33617] Re: X.org does not initialize screen on IBM T20, T21, T22

[Costas]

I just saw this problem on a clean install of Feisty 7.04 on a T20 - it
was intermittent while I was installing, so I did actually manage to
install off the live CD. But after I enabled ACPI (by adding acpi=force
to the boot options) X never started again, just hung with a blank
screen.

Adding        
 Option          "BusType" "PCI"
to the xorg.conf file as described above fixed it for me. 

As a side note: DRI also works (the bit depth in the default install is
set to 16). Also, someone mentioned adding savage to /etc/modules, but I
did not need to do this.

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X.org does not initialize screen on IBM T20, T21, T22
https://bugs.launchpad.net/bugs/33617
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