As some of you may know, X Server 1.6 will probably be released very soon, and it is due to include RandR 1.3.
For a long time, those of us with multiple monitor (i.e., > 2 monitors) setups have been looking forward to RandR 1.3 because it was supposed to include support for multiple video cards. RandR 1.2 only supports one card per X session.
However, I just found out from the X.org mailing list that RandR 1.3 will not include support for multiple video cards - see this post. Furthermore, it appears that the current radeon driver in Intrepid Ibex 8.10 breaks support for Xinerama on dual-head cards. If I try to enable Xinerama on a dual-head card with the radeon driver, X simply crashes (but it will work on two separate cards).
This means that in 8.10, there is no way for radeon users to have more than two monitors in a Xinerama style setup. This is a huge step backwards.
Questions:
1) Am I correct about the problem? Or do people have Xinerama working in 8.10 with more than two monitors using the radeon driver?
2) What is the fix for this? Is the problem due to a bug in the radeon driver? Obviously, waiting for RandR to support multiple cards is not an option...
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