With that patch, I get stutters, but not hard freeze when using ksysguard with
reading amdgpu sensors. I see such errors in dmesg when that happens:

14889.400985] amdgpu: [powerplay] Failed to export SMU metrics table!
[14890.311391] amdgpu: [powerplay] Failed to send message 0xe, response
0xffffffc2, param 0x80
[14891.933714] amdgpu: [powerplay] Failed to send message 0xe, response
0xffffffc2, param 0x80
[14892.785612] amdgpu: [powerplay] Failed to send message 0xe, response
0xffffffc2 param 0x80
[14892.785615] amdgpu: [powerplay] Failed to export SMU metrics table!
[14894.406389] amdgpu: [powerplay] Failed to send message 0xe, response
0xffffffc2 param 0x80
[14894.406393] amdgpu: [powerplay] Failed to export SMU metrics table!
[14895.261140] amdgpu: [powerplay] Failed to send message 0xe, response
0xffffffc2, param 0x80
[14896.937622] amdgpu: [powerplay] Failed to send message 0xe, response
0xffffffc2, param 0x80
[14897.734712] amdgpu: [powerplay] Failed to send message 0xe, response
0xffffffc2 param 0x80
[14897.734714] amdgpu: [powerplay] Failed to export SMU metrics table!