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No gfx ring? You can specify a ring name for --waves should be in the docs.<br>
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It's not on the web docs but in the help text<br>
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<a href="https://cgit.freedesktop.org/amd/umr/tree/src/app/main.c#n643">https://cgit.freedesktop.org/amd/umr/tree/src/app/main.c#n643</a><br>
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I'll fix the web docs when I'm in next.<br>
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Tom<br>
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<div class="gmail_quote">On December 19, 2018 3:21:25 PM EST, "Grodzovsky, Andrey" <Andrey.Grodzovsky@amd.com> wrote:
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<pre class="k9mail">+Tom<br><br>Andrey<br><br><br>On 12/19/2018 01:35 PM, Mikhail Gavrilov wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;">On Tue, 18 Dec 2018 at 00:08, Grodzovsky, Andrey<br><Andrey.Grodzovsky@amd.com> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #ad7fa8; padding-left: 1ex;"> Please install UMR and dump gfx ring content and waves after the hang is<br> happening.<br><br> UMR at - <a href="https://cgit.freedesktop.org/amd/umr/">https://cgit.freedesktop.org/amd/umr/</a><br> Waves dump<br> sudo umr -O verbose,halt_waves -wa<br> GFX ring dump<br> sudo umr -O verbose,follow -R gfx[.]<br><br> Andrey<br><br></blockquote> Thanks for respond.<br><br> What options should I specify in kernel command line?<br><br> On my setup `umr` terminated with message `Could not open ring debugfs<br> file` and crashes. But I am sure that debugfs enabled.<br><br> $ sudo umr -O verbose,halt_waves -wa<br> Cannot seek to MMIO address: Bad file descriptor<br> [ERROR]: Could not open ring debugfs fileSegmentation fault<br><br><br> # ls /sys/kernel/debug/dri/0/<br>   amdgpu_dm_dtn_log        amdgpu_ring_comp_1.1.0     amdgpu_vram_mm<br>   amdgpu_evict_gtt         amdgpu_ring_comp_1.1.1     amdgpu_wave<br>   amdgpu_evict_vram        amdgpu_ring_comp_1.2.0     clients<br>   amdgpu_fence_info        amdgpu_ring_comp_1.2.1     crtc-0<br>   amdgpu_firmware_info     amdgpu_ring_comp_1.3.0     crtc-1<br>   amdgpu_gca_config        amdgpu_ring_comp_1.3.1     crtc-2<br>   amdgpu_gds_mm            amdgpu_ring_gfx            crtc-3<br>   amdgpu_gem_info          amdgpu_ring_kiq_2.1.0      crtc-4<br>   amdgpu_gpr               amdgpu_ring_sdma0          crtc-5<br>   amdgpu_gpu_recover       amdgpu_ring_sdma1          DP-1<br>   amdgpu_gtt_mm           'amdgpu_ring_uvd<0>'        DP-2<br>   amdgpu_gws_mm           'amdgpu_ring_uvd_enc0<0>'   DP-3<br>   amdgpu_iomem            'amdgpu_ring_uvd_enc1<0>'   framebuffer<br>   amdgpu_oa_mm             amdgpu_ring_vce0           gem_names<br>   amdgpu_pm_info           amdgpu_ring_vce1           HDMI-A-1<br>   amdgpu_regs              amdgpu_ring_vce2           HDMI-A-2<br>   amdgpu_regs_didt         amdgpu_sa_info             HDMI-A-3<br>   amdgpu_regs_pcie         amdgpu_sensors             internal_clients<br>   amdgpu_regs_smc          amdgpu_test_ib             name<br>   amdgpu_ring_comp_1.0.0   amdgpu_vbios               state<br>   amdgpu_ring_comp_1.0.1   amdgpu_vram                ttm_page_pool<br><br><br><br><br> --<br> Best Regards,<br> Mike Gavrilov.<br></blockquote><br></pre>
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