On Tue, 10 Apr 2012, 21:45:54 BST, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: > On Tue, Apr 10, 2012 at 1:26 PM, Steven Newbury <steve@xxxxxxxxxxxxxxx> > wrote: > > > > > So far I'm concluding the BIOS isn't sane. Is it possible to define a > > custom memory map from the linux boot cmdline to set TOP_OF_LOW_MEM? > > The BIOS have MMIO and memory overlapping... > > > > > Obviously, I'd prefer getting everything allocated into the address > > space available, and working, but if it comes down to it I'd accept a > > hack like the above if there's no other way. > > Could try to reduce carbus preallocated size.... boot with > pci=cbmemsize=16M I've managed to get the radeon to work by turning off the cardbus controller in the BIOS setup. I'll try the patch and the above parameter next. > > Please apply attached patch in addtition to allocate_high_at_first Btw, I've verified why the intel gfx isn't working, intel-agp.c only reads the lower 32bits of the aperture location. It is definitely supported over 4G by the hardware, see my other email. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html