https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253288
Bug ID: 253288
Summary: hwpstate_intel: Wedges under any kind of load on
ThinkPad Carbon X1 Gen 8
Product: Base System
Version: 13.0-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Only workaround is to add
hint.hwpstate_intel.0.disabled=1
to /boot/loader.conf, but this makes power consumption go through the roof and
generates a lot of dmesg warnings about overheating, suggesting the computer be
switched off.
BIOS powersaving settings have no bearing on this problem.
The problem has existed since early 2020, and got significantly worse in the
Jan/Feb timeframe. However sporadic hangs with kernels from late 2019 have also
been observed.
Kernel/world version stable/13 106efdb060ae523a88caf5ddc3516500cf5b1d64
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