In-tree Xorg issues

[Paul Goyette <paul%whooppee.com@localhost>]

I've just updated a few systems from 5.99.13 to 5.99.14, and I'm running 
into some strange behavior...

On three of five systems, I've been running my video cards with the 
radeonhd driver.  These worked fine on 5.99.13.  Under 5.99.14, however, 
the monitor reports "No Signal" and is otherwise totally black.  I've 
attempted to change the driver from "radeonhd" to "radeon" but then I 
get the following messages:

<big snip>
(--) Depth 24 pixmap format is 32 bpp
(II) do I need RAC?  No, I don't.
(II) resource ranges after preInit:
        [0] -1  0       0x000f0000 - 0x000fffff (0x10000) MX[B]
        [1] -1  0       0x000c0000 - 0x000effff (0x30000) MX[B]
        [2] -1  0       0x00000000 - 0x0009ffff (0xa0000) MX[B]
        [3] 0   0       0x000a0000 - 0x000affff (0x10000) MS[B](OprU)
        [4] 0   0       0x000b0000 - 0x000b7fff (0x8000) MS[B](OprU)
        [5] 0   0       0x000b8000 - 0x000bffff (0x8000) MS[B](OprU)
        [6] -1  0       0x0000ffff - 0x0000ffff (0x1) IX[B]
        [7] -1  0       0x00000000 - 0x000000ff (0x100) IX[B]
        [8] 0   0       0x000003b0 - 0x000003bb (0xc) IS[B](OprU)
        [9] 0   0       0x000003c0 - 0x000003df (0x20) IS[B](OprU)
(II) RADEON(0): RADEONScreenInit d0000000 0 0
(EE) RADEON(0): Unable to map FB aperture. Argument list too long (7)

Fatal server error:
AddScreen/ScreenInit failed for driver 0


Any clues?


The other two machines with different video cards were already running 
with the non-HD "radeon" driver, and they still work fine.



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