Softlockup on boot with Cape Verde XT on many kernels

[Federico]

I tried 3.16.0 just using radeon.dpm=0 (without softlockup_panic=1) and I
got a different stack trace. Shorter. It repeats itself every about 30
seconds more or less. Keyboard lights don't flash. The same message keeps
coming out.

https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1386973/+attachment/4298034/+files/20150114_003043.png

2015-01-13 23:19 GMT-03:00 Michel Dänzer <michel at daenzer.net>:

> On 14.01.2015 03:20, Federico wrote:
> > I tried setting vga=791, but the panic messages done appear on screen,
> > only the normal kernel boot log until the key lights start flashing.
>
> Sounds like the panic happens after vesafb is already shut down in
> favour of radeon.
>
>
> > Also tried a video capture, but the text goes too fast even for the LCD
> > to update the image.
> >
> > Do you know how to set the console font size as a kernel parameter?
>
> Search for '8-.*font' in Documentation/svga.txt.
>
> Other possibilities would be serial console or possibly netconsole.
>
>
> --
> Earthling Michel Dänzer               |               http://www.amd.com
> Libre software enthusiast             |             Mesa and X developer
>
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