From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 106527] OpenCL corrupted memory on AMD R9 280X Date: Tue, 15 May 2018 14:01:26 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0163260536==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id B74E76E237 for ; Tue, 15 May 2018 14:01:26 +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 --===============0163260536== Content-Type: multipart/alternative; boundary="15263928860.DeAfd3780.22261" Content-Transfer-Encoding: 7bit --15263928860.DeAfd3780.22261 Date: Tue, 15 May 2018 14:01:26 +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=3D106527 Bug ID: 106527 Summary: OpenCL corrupted memory on AMD R9 280X Product: DRI Version: XOrg git Hardware: Other OS: Linux (All) Status: NEW Severity: normal Priority: medium Component: DRM/AMDgpu-pro Assignee: dri-devel@lists.freedesktop.org Reporter: riccardodemaria@gmail.com I am trying to use the AMD R9 280X (Tahiti) with the latest Ubuntu 18.04 and AMDGPU-PRO driver. OpenCL appears to work with=20 export GPU_FORCE_64BIT_PTR=3D1 see https://bugs.freedesktop.org/show_bug.cgi?id=3D102491 however the memory appears corrupted on the device resulting in random data populating partially or entirely the buffers. A simple OpenCL program is sufficient to show the problem: https://github.com/rdemaria/opencl_simpletest in my case. --=20 You are receiving this mail because: You are the assignee for the bug.= --15263928860.DeAfd3780.22261 Date: Tue, 15 May 2018 14:01:26 +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 106527
Summary OpenCL corrupted memory on AMD R9 280X
Product DRI
Version XOrg git
Hardware Other
OS Linux (All)
Status NEW
Severity normal
Priority medium
Component DRM/AMDgpu-pro
Assignee dri-devel@lists.freedesktop.org
Reporter riccardodemaria@gmail.com 

I am trying to use the AMD R9 280X (Tahiti) with the latest Ub=
untu 18.04 and
AMDGPU-PRO driver.

OpenCL appears to work with=20

export GPU_FORCE_64BIT_PTR=3D1

see https://bugs.freedesktop.org/show_bug.=
cgi?id=3D102491

however the memory appears corrupted on the device resulting in random data
populating partially or entirely the buffers.

A simple OpenCL program is sufficient to show the problem:

https://github.co=
m/rdemaria/opencl_simpletest

in my case.

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