GPU hang trying to run OpenCL kernels on x86_64

[Abramov, Slava]

Luis,


Can you please provide more details on your system environment and steps on configuring the software and reproducing the issue?



Slava A

________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Luís Mendes <luis.p.mendes at gmail.com>
Sent: Friday, May 4, 2018 12:27:47 PM
To: amd-gfx list; Koenig, Christian; Michel Dänzer
Subject: GPU hang trying to run OpenCL kernels on x86_64

Hi,

I am a collaborator with Syncleus/aparapi project on github and I've
been testing OpenCL on AMD and NVIDIA cards.

Currently I have a set of kernels that hang the GPU (AMD RX 460 and
AMD RX 550) across all compute units on x86_64 running vanilla kernel
4.16.7 on Ubuntu 18.04, also on Ubuntu 16.04.4 with AMDGPU PRO 17.50
and 18.10 show the same problems, in fact, AMDGPU-PRO 18.10 is even
worse.

However the same set of kernels run happily on armhf with vanilla
Linux 4.16.7 and mesa 18.0 (mesa-opencl-icd and libclc for amdgcn),
Ubuntu 17.10, on an AMD RX460 and an AMD RX 550.

Luís Mendes
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