From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 101691] gfx corruption on windowed 3d-apps running on dGPU Date: Fri, 25 Aug 2017 08:48:55 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0880287378==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [IPv6:2610:10:20:722:a800:ff:fe98:4b55]) by gabe.freedesktop.org (Postfix) with ESMTP id 9BC776E806 for ; Fri, 25 Aug 2017 08:48:55 +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 --===============0880287378== Content-Type: multipart/alternative; boundary="15036509354.E020AA.11699"; charset="UTF-8" --15036509354.E020AA.11699 Date: Fri, 25 Aug 2017 08:48:55 +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=3D101691 --- Comment #35 from Alex_Zhang1@Dell.com --- (In reply to Ben Widawsky from comment #34) > Just some thoughts... >=20 > The corruption are x-tiled cachelines, looks like stale ones. I don't know > what the vertical lines are. It looks to me like the memory is just > misbehaving. I wonder if when you plug in the machine if BIOS tries to cr= ank > up DDR, or Graphics voltage. Is there some BIOS setting or update to tweak > what happens on AC? >=20 > Is this desktop environment using sprite planes? If the compositor is usi= ng > all one plane (which I think is likely), and display was at fault, > everything would be corrupt. >=20 >=20 > So please see if there is anything that can be done in BIOS to tell it to > not behave differently when on AC. Hi Ben, Has info the message to ODM. Is there any item in vbios concerning power? --=20 You are receiving this mail because: You are the assignee for the bug.= --15036509354.E020AA.11699 Date: Fri, 25 Aug 2017 08:48:55 +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

Comme= nt # 35 on bug 10169= 1 from Alex_Zhang1= 4;Dell.com 
(In reply to Ben Widawsky from comment #34)
> Just some thoughts...
>=20
> The corruption are x-tiled cachelines, looks like stale ones. I don't =
know
> what the vertical lines are. It looks to me like the memory is just
> misbehaving. I wonder if when you plug in the machine if BIOS tries to=
 crank
> up DDR, or Graphics voltage. Is there some BIOS setting or update to t=
weak
> what happens on AC?
>=20
> Is this desktop environment using sprite planes? If the compositor is =
using
> all one plane (which I think is likely), and display was at fault,
> everything would be corrupt.
>=20
>=20
> So please see if there is anything that can be done in BIOS to tell it=
 to
> not behave differently when on AC.

Hi Ben,
  Has info the message to ODM. Is there any item in vbios concerning power?=

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