Created attachment 107028 [details] dmseg Output I've been sitting on this one for a while as I was just hoping it would get fixed, but after trying the 21 alpha release its still an issue so I thought I'd try get it some attention. Anyway I have an issue that makes the open drivers unusable with my Radeon 6670. As soon as fedora boots up (including login and the screen with the little fedora icon loading) I get a corrupt display. See the attached image. Eventually this issue causes the system to freeze. The freezing happens even quicker when booting a live image. I have the same problem in Ubuntu so its not only a Fedora issue but I solve it there running Catalyst. I've also tried to find reports of people having the same issue but haven't found any. The card is a PowerColor Radeon 6670 1GB. The card also works fine on windows with Catalyst. X.org log and dmseg output attached
Created attachment 107029 [details] Corrupt Display Screenshot The display has red and sometimes light blue dots and lines through it. Also sometimes gui widgets get streached out arcoss the display when a window is moved or scrolled.
Created attachment 107030 [details] Corrupt Display Screenshot
Created attachment 107031 [details] X.org log
Upgraded Fedora 21 alpha today which included and update from kernel 3.16->3.17 amoung other thing and the issue seems to have finally gone away.
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