[Bug 54662] [bisected] Kernel 3.6 breaks KMS on Radeon RV530 (black screen)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54662

--- Comment #5 from Tony Thomas <autonymous at gmail.com> 2012-09-11 15:52:36 UTC ---
(In reply to comment #4)
> (In reply to comment #1)

> 
> Recent Ubuntu versions don't come with an xorg.conf file, and "sudo Xorg
> -configure" reports a fatal error, so I'm not sure how to generate a base file
> to tweak.
> 

Recent versions of Ubuntu (and others) allow for snippets of Xorg.conf in
either /etc/X11/xorg.conf.d, or (as in Ubuntu) /usr/share/X11/xorg.conf.d. Just
make a new file, and add a section such as this:

#vi 50-mydevice.conf

Section "Device"
    Identifier "my-radeon-card"
    Option "NoAccel" "TRUE"
EndSection

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