<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"></style> </head> <body dir="ltr"> <div id="divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif;" dir="ltr"> <p style="margin-top:0;margin-bottom:0">Luis,</p> <p style="margin-top:0;margin-bottom:0"><br> </p> <p style="margin-top:0;margin-bottom:0">Can you please provide more details on your system environment and steps on configuring the software and reproducing the issue?</p> <p style="margin-top:0;margin-bottom:0"><br> </p> <p style="margin-top:0;margin-bottom:0"><br> </p> <p style="margin-top:0;margin-bottom:0">Slava A</p> </div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Luís Mendes <luis.p.mendes@gmail.com><br> <b>Sent:</b> Friday, May 4, 2018 12:27:47 PM<br> <b>To:</b> amd-gfx list; Koenig, Christian; Michel Dänzer<br> <b>Subject:</b> GPU hang trying to run OpenCL kernels on x86_64</font> <div> </div> </div> <div class="BodyFragment"><font size="2"><span style="font-size:11pt;"> <div class="PlainText">Hi,<br> <br> I am a collaborator with Syncleus/aparapi project on github and I've<br> been testing OpenCL on AMD and NVIDIA cards.<br> <br> Currently I have a set of kernels that hang the GPU (AMD RX 460 and<br> AMD RX 550) across all compute units on x86_64 running vanilla kernel<br> 4.16.7 on Ubuntu 18.04, also on Ubuntu 16.04.4 with AMDGPU PRO 17.50<br> and 18.10 show the same problems, in fact, AMDGPU-PRO 18.10 is even<br> worse.<br> <br> However the same set of kernels run happily on armhf with vanilla<br> Linux 4.16.7 and mesa 18.0 (mesa-opencl-icd and libclc for amdgcn),<br> Ubuntu 17.10, on an AMD RX460 and an AMD RX 550.<br> <br> Luís Mendes<br> _______________________________________________<br> amd-gfx mailing list<br> amd-gfx@lists.freedesktop.org<br> <a href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a><br> </div> </span></font></div> </body> </html>