-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 10/04/12 21:45, Yinghai Lu 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... > >> Another thought, normally the integrated graphics has an "AGP" aperture of 256M @0xe0000000, which is detected by agpgart-intel, this will need to be moved up above 4G to free up 0xe0000000 for the radeon, assuming the "agp_bridge" has a 64bit base register... I noticed in my docked dmesg, "AGP aperture is 256M @ 0x20000000", but the PCI base: "120000000-12fffffff : 0000:00:02.0" so only 32bits have been set in agpgart-intel. Explains why i915 wasn't initialised. >> 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 > > Please apply attached patch in addtition to allocate_high_at_first > I'll try first thing tomorrow. I'm away from the docking station now. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk+Eo+wACgkQGcb56gMuC60FOgCgoB9QFZPFKCXs8gG0qJIX9NK3 CacAn1q9D958ql7K+nZrKLNHB86fsnHQ =vRtc -----END PGP SIGNATURE----- -- 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
