Runlevel3 has no console video output with latest fglrx-kernel* files on two different systems.
Workaround is blindly enter your id/pw and startx.
fglrx users may want to add their email address to https://bugs.mageia.org/show_bug.cgi?id=11626
if they want to know when it is fixed.
Kernel command line: BOOT_IMAGE=mga4_64_a3 root=LABEL=cauldron nokmsboot vga=794
Solution/workaround was to remove the vga=xxx argument.