Bug#422777: xserver-xorg: MergedFB CRT2 Clone stopped working after reboot
reassign 422777 xserver-xorg-video-ati
forcemerge 422602 422777
thank you
Felix C. Stegerman wrote:
> When I rebooted my laptop (Apple iBook G4) this morning, the second
> screen remained blank. The Xorg.0.log config file shows "No valid
> mode found for CRTC2, disabling MergedFB". I haven't changed my
> xorg.conf since 2006-11-21, so I'm pretty sure it's related to a
> recent Xorg update. I can't be sure which one since I may have
> updated Xorg more than once between reboots (and rarely restart X
> other than on reboot). I am however quite sure I haven't installed,
> removed or reconfigured Xorg packages recently other than during
> aptitude upgrades or aptitude dist-upgrades. Also, I rebooted
> sometime in the last two weeks without problems, so it must be a
> problem with a recent Xorg update. [yes, I aptitude up{date,grade}
> more or less weekly]
>
> I hope someone can help me out here, since I have no idea whatsoever
> how to fix this (other than attempting some Xorg downgrades, but
> that's hardly "fixing"). If there's anything I can do myself (that
> doesn't involve intimate knowledge of Xorg internals), please let me
> know.
>
Some similar breakage have been reported with the old ATI driver and the
new xserver-xorg-core 1.3. You could possibly try upgrading
xserver-xorg-video-ati to the one currently in experimental
(1:6.6.191-1). However, in the end it might be better to wait for the
next official release of the ATI driver before upgrading to
xserver-xorg-core 1.3.
Brice
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