Fwd: Softlockup on boot with Cape Verde XT on many kernels

[Federico]

2015-01-11 14:19 GMT-03:00 Alex Deucher <alexdeucher at gmail.com>:

> Booting with nomodeset disables the graphics drivers so if you are
> still getting problems, it may a hardware problem.  Can you attach
> your full dmesg and lspci output?  Are you disabling the onboard
> graphics when enabling the external dGPU?
>
> Alex
>

I attached those outputs to
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1386973
I wasn't sure if you meant attaching to this response.

I was able to boot with nomodeset into Ubuntu 15.04's image. I get to a
graphic log in screen, but I also get some errors in the kernel log

[drm:radeon_init] *ERROR* No UMS support in radeon module!

Which seems by design so I assume the VESA driver was in use.

I will try to boot Ubuntu 14.10 live image with nomodeset to see if I can
get some error messages there.
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