[Bug 108854] [polaris11] - Failed GPU reset after hang

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=108854

--- Comment #3 from Tom Seewald <tseewald@gmail.com> ---
Installed the new Polaris firmware released on December 3rd, however that
doesn't appear to affect my card as the content of
/sys/kernel/debug/dri/1/amdgpu_firmware_info is unchanged.

Upgraded to Mesa 18.3.0 from 18.2.4 - no change.

Added dmesg of 4.20-rc5 with drm.debug=0xe, showing the hang. It now prints
hung kernel tasks backtraces rather than "[drm:amdgpu_cs_ioctl [amdgpu]]
*ERROR* Failed to initialize parser -125!".

I've also included the power management information before and after the GPU
hang.

/sys/kernel/debug/dri/1/amdgpu_pm_info *before* GPU hang:

Clock Gating Flags Mask: 0x3fbcf
        Graphics Medium Grain Clock Gating: On
        Graphics Medium Grain memory Light Sleep: On
        Graphics Coarse Grain Clock Gating: On
        Graphics Coarse Grain memory Light Sleep: On
        Graphics Coarse Grain Tree Shader Clock Gating: Off
        Graphics Coarse Grain Tree Shader Light Sleep: Off
        Graphics Command Processor Light Sleep: On
        Graphics Run List Controller Light Sleep: On
        Graphics 3D Coarse Grain Clock Gating: Off
        Graphics 3D Coarse Grain memory Light Sleep: Off
        Memory Controller Light Sleep: On
        Memory Controller Medium Grain Clock Gating: On
        System Direct Memory Access Light Sleep: Off
        System Direct Memory Access Medium Grain Clock Gating: On
        Bus Interface Medium Grain Clock Gating: Off
        Bus Interface Light Sleep: On
        Unified Video Decoder Medium Grain Clock Gating: On
        Video Compression Engine Medium Grain Clock Gating: On
        Host Data Path Light Sleep: On
        Host Data Path Medium Grain Clock Gating: On
        Digital Right Management Medium Grain Clock Gating: Off
        Digital Right Management Light Sleep: Off
        Rom Medium Grain Clock Gating: On
        Data Fabric Medium Grain Clock Gating: Off

GFX Clocks and Power:
        1750 MHz (MCLK)
        1196 MHz (SCLK)
        387 MHz (PSTATE_SCLK)
        625 MHz (PSTATE_MCLK)
        993 mV (VDDGFX)
        20.30 W (average GPU)

GPU Temperature: 38 C
GPU Load: 0 %

UVD: Disabled

VCE: Disabled


/sys/kernel/debug/dri/1/amdgpu_pm_info *after* GPU hang:

Clock Gating Flags Mask: 0x6400
        Graphics Medium Grain Clock Gating: Off
        Graphics Medium Grain memory Light Sleep: Off
        Graphics Coarse Grain Clock Gating: Off
        Graphics Coarse Grain memory Light Sleep: Off
        Graphics Coarse Grain Tree Shader Clock Gating: Off
        Graphics Coarse Grain Tree Shader Light Sleep: Off
        Graphics Command Processor Light Sleep: Off
        Graphics Run List Controller Light Sleep: Off
        Graphics 3D Coarse Grain Clock Gating: Off
        Graphics 3D Coarse Grain memory Light Sleep: Off
        Memory Controller Light Sleep: Off
        Memory Controller Medium Grain Clock Gating: Off
        System Direct Memory Access Light Sleep: On
        System Direct Memory Access Medium Grain Clock Gating: Off
        Bus Interface Medium Grain Clock Gating: Off
        Bus Interface Light Sleep: Off
        Unified Video Decoder Medium Grain Clock Gating: On
        Video Compression Engine Medium Grain Clock Gating: On
        Host Data Path Light Sleep: Off
        Host Data Path Medium Grain Clock Gating: Off
        Digital Right Management Medium Grain Clock Gating: Off
        Digital Right Management Light Sleep: Off
        Rom Medium Grain Clock Gating: Off
        Data Fabric Medium Grain Clock Gating: Off

GFX Clocks and Power:
        1750 MHz (MCLK)
        1196 MHz (SCLK)
        387 MHz (PSTATE_SCLK)
        625 MHz (PSTATE_MCLK)
        993 mV (VDDGFX)
        28.186 W (average GPU)

GPU Temperature: 42 C
GPU Load: 100 %

UVD: Disabled

VCE: Disabled

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