This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verification-needed-bionic' to 'verification-failed-
bionic'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-bionic

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1796949

Title:
  [Bionic] CPPC bug fixes

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Bionic:
  Fix Committed

Bug description:
  [Impact]
  A number of CPPC related fixes from upstream needed for Cavium ThunderX2 
systems.

  [Fix]

  58e1c03536c9 ACPI / CPPC: Fix invalid PCC channel status errors
  b8b10bc2015c cpufreq: CPPC: Don't set transition_latency
  d29abc836843 ACPI / CPPC: Update all pr_(debug/err) messages to log the 
susbspace id

  [Test]
  A test kernel is available in ppa:yarmouth-team/cppc-tx2. This kernel was 
successfully tested on a CN99XX system.

  [Regression Potential]
  The cppcontrol feature needs to be explicitly enabled in firmware (default is 
disabled) for these patches to be in effect. Risk of regression is low.

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