** Changed in: linux (Ubuntu)
Status: New => Triaged
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) =>
Canonical Kernel Team (canonical-kernel-team)
** Also affects: linux (Ubuntu Bionic)
Importance: Medium
Assignee: Canonical Kernel Team (canonical-kernel-team)
Status: Triaged
** Changed in: linux (Ubuntu Bionic)
Assignee: Canonical Kernel Team (canonical-kernel-team) => Joseph
Salisbury (jsalisbury)
** Changed in: linux (Ubuntu Bionic)
Status: Triaged => In Progress
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https://bugs.launchpad.net/bugs/1763386
Title:
Fix trying to "push" an already active pool VP
Status in The Ubuntu-power-systems project:
Triaged
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Bionic:
In Progress
Bug description:
Hello Canonical,
Could you please include the following patch in Bionic?
--
When setting up a CPU, we "push" (activate) a pool VP for it.
However it's an error to do so if it already has an active
pool VP.
This happens when doing soft CPU hotplug on powernv since we
don't tear down the CPU on unplug. The HW flags the error which
gets captured by the diagnostics.
Fix this by making sure to "pull" out any already active pool
first.
--
Patch: https://patchwork.ozlabs.org/patch/897035/
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