** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1745007
Title:
Support cppc-cpufreq driver on ThunderX2 systems
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Artful:
New
Status in linux source package in Bionic:
Fix Committed
Bug description:
[Impact]
The cppc-cpufreq driver fails to initialize on ThunderX2 systems, which is
used to communicate power configuration to firmware.
[Test Case]
sudo modprobe cppc-cpufreq || echo "Fail"
[Regression Risk]
The fix consists of clean cherry-picks from upstream that are restricted to a
single driver. Regressions would therefore be restricted to platforms that
support ACPI CPPC power management.
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