[Bug 107334] Artifacts in Unigine Valley with RX 580 - bugzilla-daemon

From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 107334] Artifacts in Unigine Valley with RX 580
Date: Mon, 23 Jul 2018 12:59:47 +0000	[thread overview]
Message-ID: <bug-107334-502@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=107334

            Bug ID: 107334
           Summary: Artifacts in Unigine Valley with RX 580
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: cwidmer@umbrox.de
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 140780
  --> https://bugs.freedesktop.org/attachment.cgi?id=140780&action=edit
Screenshot showing the issue

In a certain scene during the Unigine Valley benchmark, render artifacts
briefly flash on the screen multiple times. This does not occur with the same
card in another machine running Windows 10 -- neither with the DirectX 11 nor
with the OpenGL renderer -- and it does also not occur on this machine when
using a NVIDIA GeForce GTX 660 instead of the RX 580.
When I tried to get an apitrace, the benchmark slows down a lot during the
scene, skipping parts of it and not showing the artifacts. Additionally, the
replay is stuck on the loading screen and major shader compiler errors are
thrown.

I am using Gentoo with kernel 4.17.9 (with the gentoo patchset) and mesa git
(commit d0ee0a0a5d5fb658c87fed82cbcf9b48437abb2c).

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