On Thu, 2 May 2013 21:29:36 -0400, Dennis New wrote: > I'm currently running 3.9.0, and the bootup process hangs/locks my > machine before the init stage is reached, unless I specify > radeon.modeset=0. But modesetting /does/ work if I load the radeon > module with modeset=1 after the kernel loads. So what could be going > wrong during the kernel loading? > > The last things printed on the screen are either > radeon 0000:01:00.0: radeon: using MSI. > or > [drm] Driver supports precise vblank timestamp query. > (if I disable msi) > > I think the next thing that /should/ get printed is: > [drm] radeon: irq initialized. (?) > > Here's what dmesg says when I reload the radeon module with KMS: > http://dennisn.dyndns.org/guest/pubstuff/dmesg-radeon-kms-module.log As Александр (Alex M) pointed out a few months ago on The Internet, undoing this patch fixes this bug! 2099810f903caa1920f3ef6014fb7f36e4786490 drm/radeon: enable pci bus mastering after card is initialised (v2) https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=2099810f903caa1920f3ef6014fb7f36e4786490 (On an unrelated note, when coming back from a suspend-to-ram with this video card (and probably many others), I get a blank screen or random line patterns, but I am able to fix things with radeontool, specifically with: radeontool light off radeonreg regset 0x00000284 0x1bd34208 radeonreg regset 0x000002d0 0x003c00a1 radeonreg regset CL:03 0x001c0007 radeonreg regset CL:04 0x0002004a radeonreg regset CL:05 0x0002004a radeonreg regset CL:06 0x0002004a radeontool light on Is this supposed to be something that userland is meant to handle?) _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel