Fix the ACPI _CPC not found error from kernel dmesg on some dynamic SSDT table loaded firmwares
Bug #2006077 reported by
Ivan Hu
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Jammy |
Fix Released
|
Medium
|
Ivan Hu |
Bug Description
[Impact]
Some machines which have dynamically loaded SSDT tables, will not be loaded and get the CPPC not worked.
[Fix]
Fix the regression by some load supports for CPPC from an SSDT dynamically when _OSC reports CPPC v2. And make the "[\_SB.PR00._CPC], AE_NOT_FOUND" gone.
[Test]
Verified all the OEM dynamic table loaded or the "[\_SB.PR00._CPC], AE_NOT_FOUND" error exist or not on demesg .
[Where problems could occur]
Low risk, It only helps to CPPC support loaded.
CVE References
summary: |
Fix the ACPI _CPC not found error from kernel dmesg on some dynamic SSDT - tables firmware + table loaded firmwares |
Changed in linux (Ubuntu): | |
status: | Incomplete → New |
status: | New → Incomplete |
Changed in linux (Ubuntu): | |
status: | Incomplete → Confirmed |
Changed in linux (Ubuntu Jammy): | |
status: | New → In Progress |
assignee: | nobody → Ivan Hu (ivan.hu) |
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apport-collect 2006077
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the Ubuntu Kernel Team.