The following is from a bug I reported at
Using a known to be good XF86Config (taken off my Yellow Dog Linux
install, which has XFree86 4.3.0), xorg crashes with the following
(II) Setting vga for screen 0.
(II) RADEON(0): MMIO registers at 0xb0000000
Fatal server error:
xf86MapVidMem: Could not mmap framebuffer (0xb0000000,0x80000) (Bad
I'm running Arjan's latest ppc kernel (2.6.4-1.279), which has the new
Radeon framebuffer driver in it (which I'm using).
Version-Release number of selected component (if applicable):
Created attachment 179 [details]
xorg log from the crash
Created attachment 180 [details]
dmesg from box in question
Arjan van de Ven has tracked this down to being a kernel bug in his kernel,
and has fixed it. Closing bug as FIXED as per the Red Hat bugzilla
report comment from Arjan.
Thanks for reporting the issue.