** Tags added: cscc
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https://bugs.launchpad.net/bugs/1796949
Title:
[Bionic] CPPC bug fixes
Status in linux package in Ubuntu:
Invalid
Status in linux source package in
This bug was fixed in the package linux - 4.15.0-39.42
---
linux (4.15.0-39.42) bionic; urgency=medium
* linux: 4.15.0-39.42 -proposed tracker (LP: #1799411)
* Linux: insufficient shootdown for paging-structure caches (LP: #1798897)
- mm: move tlb_table_flush to tlb_flush_mmu
-- -proposed testing --
CAVM_CN99xx# env set cppccontrol 1
cppccontrol is enabled
Env Var cppccontrol set with Value 1
Execute 'env save' Command to make the changes persistent
CAVM_CN99xx# env save
drivername snor
snor_erase: off=0x3ff, len=0x1
---
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 'verifica
** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1796949
Title:
[Bionic] CPPC bug fixes
Status in linux pa
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
** Changed in: linux (Ubuntu Bionic)
Status: New => In Progress
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P
Built kernel with patches that fix CPPC issues, and re-run the test.
== Enable CPPC control in firmware ==
CAVM_CN99xx# env set cppccontrol 1
== Bionic kernel with patches ==
ubuntu@starbuck:~$ uname -a
Linux starbuck 4.15.0-38-generic #41~lp1796949+build.1 SMP Tue Oct 16 17:06:56
UTC 2018 aar
** Description changed:
[Impact]
A number of CPPC related fixes from upstream needed for Cavium ThunderX2
systems.
[Fix]
58e1c03536c9 ACPI / CPPC: Fix invalid PCC channel status errors
- 6fa12d584dcb ACPI / CPPC: Check for valid PCC subspace only if PCC is used
b8b10bc2015c cpufre
** Description changed:
[Impact]
A number of CPPC related fixes from upstream needed for Cavium ThunderX2
systems.
[Fix]
58e1c03536c9 ACPI / CPPC: Fix invalid PCC channel status errors
6fa12d584dcb ACPI / CPPC: Check for valid PCC subspace only if PCC is used
b8b10bc2015c cpufre
No regression were found booting the Bionic kernel with the patches
applied.
== Enable CPPC control in firmware ==
CAVM_CN99xx# env set cppccontrol 1
== With stock bionic ==
ubuntu@starbuck:~$ uname -a
Linux starbuck 4.15.0-36-generic #39-Ubuntu SMP Wed Sep 26 06:05:44 UTC 2018
aarch64 aarch64 a
** Description changed:
[Impact]
+ A number of CPPC related fixes from upstream needed for Cavium ThunderX2
systems.
[Fix]
- [Test]
+ 58e1c03536c9 ACPI / CPPC: Fix invalid PCC channel status errors
+ 6fa12d584dcb ACPI / CPPC: Check for valid PCC subspace only if PCC is used
+ b8b10bc201
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