https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225782
Bug ID: 225782
Summary: Ryzen: unable to set cpu freq
Product: Base System
Version: 11.1-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: kern
Assignee: freebsd-bugs@FreeBSD.org
Reporter: rozhuk...@gmail.com
After boot was:
dev.hwpstate.0.freq_settings: 3500/-1 3500/-1 1550/-1
dev.cpu.0.freq_levels: 3500/-1 3500/-1 1550/-1
dev.cpu.0.freq: 1550
After set:
dev.cpu.0.freq=3500
perfomance degraded to ~50%
Returning dev.cpu.0.freq=1550 does not help with performance.
11.1-STABLE FreeBSD 11.1-STABLE r328439M amd64
Ryzen 1300X, no overclock, fixed freq and Voltage in BIOS.
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