<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Random Blank(black) screens on "Carrizo"" href="https://bugs.freedesktop.org/show_bug.cgi?id=95306#c26">Comment # 26</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Random Blank(black) screens on "Carrizo"" href="https://bugs.freedesktop.org/show_bug.cgi?id=95306">bug 95306</a> from <a class="email" href="mailto:tom.vycital@gmail.com" title="Tom <tom.vycital@gmail.com>"> Tom</a> <pre>(In reply to Kelly Anderson from <a href="show_bug.cgi?id=95306#c18">comment #18</a>) > This bug did not affect 4.6.x and earlier, it started with: > > commit 70eced9b2e05f38274ebe8ad91c472bb684fa82a > > That commit enables new features on the Carrizo, > > - adev->cg_flags = 0; > + adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG | > + AMD_CG_SUPPORT_GFX_MGLS | > + AMD_CG_SUPPORT_GFX_RLC_LS | > + AMD_CG_SUPPORT_GFX_CP_LS | > + AMD_CG_SUPPORT_GFX_CGTS | > + AMD_CG_SUPPORT_GFX_MGLS | > + AMD_CG_SUPPORT_GFX_CGTS_LS | > + AMD_CG_SUPPORT_GFX_CGCG | > + AMD_CG_SUPPORT_GFX_CGLS; > > So it should be relatively easy to isolate the problem by stepping through > those features one by one to isolate which of those flags is triggering the > problem. > > I'm available to test semi-official patches until the problem is properly > fixed. In the meantime I've reverted the patch on my 4.7.6 kernel and have > run for over two days without encountering the problem. I tried 4.6, 4.5 and 4.4 kernels and all stable releases had this issue. Only some 4.5 rc releases work for me.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>