[Bug 65963] screen goes blank, Linux hangs - Radeon 7870, Gallium, Glamor

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65963

--- Comment #20 from Alex Deucher <agd5f at yahoo.com> ---
(In reply to comment #19)
> @Damian, I had the same problems. My configuration is similar to yours:
> Radeon 7870, Linux 3.16.1, xorg 1.16, MESA 10.3 RC1 (fedora f21 branch).
> 
> After consulting https://wiki.archlinux.org/index.php/ATI it tried adding
> radeon.dpm=0 to my kernel command line as a workaround. It solved the
> problem. No more lockups. The system is now stable with the above
> configuration. Clearly this has something to do with the powermanagement
> changes in MESA and the kernel (there were no lockups with earlier versions
> of MESA)

There is no power management code in mesa.  Power management is completely
self-contained in the kernel.  If you are not getting lockups with dpm enabled
and an older version of mesa, it may be a mesa issue.

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20140827/5499a0e1/attachment-0001.html>