From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 95545] [amdgpu][tonga] mplayer -vo=gl:yuv=2 causes VM fault Date: Thu, 26 May 2016 20:21:44 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============2069557292==" 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 48B856EAB4 for ; Thu, 26 May 2016 20:21:44 +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 --===============2069557292== Content-Type: multipart/alternative; boundary="14642941042.37eD7Ee.2026"; charset="UTF-8" --14642941042.37eD7Ee.2026 Date: Thu, 26 May 2016 20:21:44 +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=3D95545 --- Comment #5 from Marek Ol=C5=A1=C3=A1k --- The problem is with the CE preamble which is sometimes skipped when it shouldn't be. SDMA IB submission somehow affects it. The workarounds are: - disable SDMA (bad) - disable CE preamble (not so bad) - execute SDMA in a different amdgpu context (not tested, just an idea I'll= try next) --=20 You are receiving this mail because: You are the assignee for the bug.= --14642941042.37eD7Ee.2026 Date: Thu, 26 May 2016 20:21:44 +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

Comment= # 5 on bug 95545<= /a> from Marek Ol=C5=A1=C3=A1k 
The problem is with the CE preamble which is sometimes skipped=
 when it
shouldn't be. SDMA IB submission somehow affects it. The workarounds are:
- disable SDMA (bad)
- disable CE preamble (not so bad)
- execute SDMA in a different amdgpu context (not tested, just an idea I'll=
 try
next)

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