Comment # 3
on bug 67359
from Tom Stellard
(In reply to comment #2) > It turns out my root filesystem is on a bcache-backed device, so I need to > use a > 3.10 or newer kernel - AFAICS the latest stable gentoo-sources kernel is > 3.8.13. > I would recommend trying the 3.10 stable kernel then. > > FWIW my VIDEO_CARDS did include radeon, but not radeonsi. I interpret this > bit of > /usr/portage/profiles/desc/video_cards.desc > to mean that including "radeonsi" restricts the build to only support SI, not > add support for it: > > radeon - VIDEO_CARDS setting to build driver for ATI radeon video cards > radeonsi - VIDEO_CARDS setting to build only Southern Islands based chips > code for radeon > > Am I reading that wrong? > I think you are correct here. > The Xorg log I posted shows the radeon driver is being used, and probed my > card as > having a VERDE chipset. > > I didn't file a Gentoo bug because I thought that this part of what I > reported in my dmesg: > > [ 11.109017] [drm:r600_uvd_init] *ERROR* UVD not responding, giving up!!! > [ 11.109588] [drm:si_startup] *ERROR* radeon: failed initializing UVD (-1). > I'm not sure why uvd fails to load, this should be filed as a separate bug. I don't think it's related to your direct rendering problems. > > So, please don't resolve this as fixed just yet. This looks to me like a gentoo packaging bug. llvmpipe is using LLVM 3.1 and radeonsi in Mesa 9.1.* requires a patched LLVM 3.2.
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