Comment # 113
on bug 109955
from Jason Playne
As others have noted, with powerplay doing its thing we get system freezes. Just had a successful 6+ hour gaming session on a kernel 5.3.2-050302-generic with the following being done: * Forcing high perf state * Undervolt/Overclock * Higher fan curve (https://github.com/grmat/amdgpu-fancontrol) I know that I have been messing with all sorts here, but I think it suggests that PowerPlay may be at fault here when my system *does* crash (which is all the time without the force high perf state) All details below: # Forcing High Perf echo high | sudo tee /sys/class/drm/card0/device/power_dpm_force_performance_level # Undervolt / Overclock I also have done some messing around with voltages/clocks $ cat /sys/class/drm/card0/device/pp_od_clk_voltage OD_SCLK: 0: 852Mhz 800mV 1: 991Mhz 900mV 2: 1084Mhz 940mV 3: 1138Mhz 990mV 4: 1200Mhz 1040mV 5: 1401Mhz 1090mV 6: 1536Mhz 1140mV 7: 1630Mhz 1190mV OD_MCLK: 0: 167Mhz 800mV 1: 500Mhz 800mV 2: 850Mhz 940mV 3: 1000Mhz 1100mV OD_RANGE: SCLK: 852MHz 2400MHz MCLK: 167MHz 1500MHz VDDC: 800mV 1200mV # Settings for AMDGPU Fancontrol TEMPS=( 35000 70000 80000 ) PWMS=( 70 180 255 )
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