From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 97639] Intermittent flickering artifacts with AMD R7 260x Date: Thu, 08 Sep 2016 13:39:36 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============2063957494==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 631276E007 for ; Thu, 8 Sep 2016 13:39:36 +0000 (UTC) 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 --===============2063957494== Content-Type: multipart/alternative; boundary="14733419760.Baf07a65.9537"; charset="UTF-8" --14733419760.Baf07a65.9537 Date: Thu, 8 Sep 2016 13:39:36 +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=3D97639 Bug ID: 97639 Summary: Intermittent flickering artifacts with AMD R7 260x Product: DRI Version: unspecified Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: normal Priority: medium Component: DRM/AMDgpu Assignee: dri-devel@lists.freedesktop.org Reporter: nucrap@hotmail.com Created attachment 126306 --> https://bugs.freedesktop.org/attachment.cgi?id=3D126306&action=3Dedit my Xorg.0.log Hi, I am using an MSI R7 260x OC with the new amdgpu driver. Everything see= ms to run fine (I have yet to experience any crashes), however there constantly flicker some artifacts on my screen. In the Xorg.0.log I have noticed many suspicious error messages similar to this: AMDGPU(0): amdgpu_dri2_flip_event_handler: Pageflip completion event has impossible msc 100169 < target_msc 100170 Looking at the description in the source code, it fits the bug I experience: > Check for too small vblank count of pageflip completion, taking wraparound > into account. This usually means some defective kms pageflip completion, > causing wrong (msc, ust) return values and possible visual corruption. I saw there was a similar bug (bug#91540), but it has been marked as fixed = some time ago. My config: Linux v4.7.2 (amdgpu, cik and powerplay enabled) xf86-video-ati v7.7.0 mesa v12.0.1 xorg-drivers v1.17 xserver v1.17.4 KDE Plasma 5 (kwin) If you need any further info please ask. --=20 You are receiving this mail because: You are the assignee for the bug.= --14733419760.Baf07a65.9537 Date: Thu, 8 Sep 2016 13:39:36 +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
Bug ID 97639
Summary Intermittent flickering artifacts with AMD R7 260x
Product DRI
Version unspecified
Hardware x86-64 (AMD64)
OS Linux (All)
Status NEW
Severity normal
Priority medium
Component DRM/AMDgpu
Assignee dri-devel@lists.freedesktop.org
Reporter nucrap@hotmail.com 

Created attachment 126306 > Check for too small vblank count of pageflip com=
pletion, taking wraparound
> into account. This usually means some defective kms pageflip completio=
n,
> causing wrong (msc, ust) return values and possible visual corruption.=


I saw there was a similar bug (bug#91540), but it has been marked =
as fixed some
time ago.

My config:
Linux v4.7.2 (amdgpu, cik and powerplay enabled)
xf86-video-ati v7.7.0
mesa v12.0.1
xorg-drivers v1.17
xserver v1.17.4
KDE Plasma 5 (kwin)

If you need any further info please ask.

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