[Dev] [Assist] Fwd: Re: Xorg Problem with Radeon

Michał Masłowski mtjm at mtjm.eu
Fri Sep 12 12:23:02 GMT 2014

> Well, Jorginho has solved his problem because in this case it needed
> add the video parameters specifying a resolution on the kernel or a
> common boot loader like GRUB or Syslinux or LILO to works.

What GPU does he have?  What driver gets used?  (Check

> Otherwise, in my opinion radeon should works well with KMS without do
> anything and i don't think with these issues should be related to lack
> of Radeon firmware, but we should consider it too if even so, adding
> the video parameters the problem persists.

We know that at least several users get black screen with KMS exactly
due to lack of firmware which newer kernel versions made necessary for
KMS.  Without KMS (with nomodeset) the radeon X driver isn't used.
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