From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 95306] Random Blank(black) screens on "Carrizo" Date: Fri, 07 Oct 2016 14:05:39 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1876216482==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id D558B6E3E1 for ; Fri, 7 Oct 2016 14:05:38 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1876216482== Content-Type: multipart/alternative; boundary="14758491381.81AD.7747"; charset="UTF-8" --14758491381.81AD.7747 Date: Fri, 7 Oct 2016 14:05:38 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D95306 --- Comment #26 from Tom --- (In reply to Kelly Anderson from comment #18) > This bug did not affect 4.6.x and earlier, it started with: >=20 > commit 70eced9b2e05f38274ebe8ad91c472bb684fa82a >=20 > That commit enables new features on the Carrizo, >=20 > - adev->cg_flags =3D 0; > + adev->cg_flags =3D 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; >=20 > 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 t= he > problem. >=20 > 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 ha= ve > 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. On= ly some 4.5 rc releases work for me. --=20 You are receiving this mail because: You are the assignee for the bug.= --14758491381.81AD.7747 Date: Fri, 7 Oct 2016 14:05:38 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Commen= t # 26 on bug 95306<= /a> from = Tom 
(In reply to Kelly Anderson from comment #18)
> This bug did not affect 4.6.x and earlier, it st=
arted with:
>=20
> commit 70eced9b2e05f38274ebe8ad91c472bb684fa82a
>=20
> That commit enables new features on the Carrizo,
>=20
> -		adev->cg_flags =3D 0;
> +		adev->cg_flags =3D 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;
>=20
> So it should be relatively easy to isolate the problem by stepping thr=
ough
> those features one by one to isolate which of those flags is triggerin=
g the
> problem.
>=20
> I'm available to test semi-official patches until the problem is prope=
rly
> 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. On=
ly
some 4.5 rc releases work for me.

You are receiving this mail because:
  • You are the assignee for the bug.
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