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PC Processors

myu
Journeyman III

Ryzen 7 Pro 3700U stuck at 399MHz after suspend on Linux

System Description

  • Thinkpad T495
  • Linux 5.10.14-arch1-1 x86_64 GNU/Linux
  • AMD Ryzen 7 PRO 3700U w/ Radeon Vega Mobile
  • AMD ATI 07:00.0 Picasso

Issue Description

The CPU often gets stuck at 399MHz after resuming from suspend. Although this doesn't always occur, I haven't found a way to consistently reproduce the issue. The only workaround is to reboot the system, where the CPU starts to perform as expected again. I'm currently on the latest BIOS version and my system is up to date. The CPU governor is set to 'schedutil'. I have tried switching to 'ondemand', but still ran into the same problem. It shouldn't be an overheating issue since my CPU is usually quite cool (between 50-60°) and the issue seems to occur regardless of the temperature.

cpu_log.png

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