** Tags added: cscc
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https://bugs.launchpad.net/bugs/1797202
Title:
[Bionic] arm64: topology: Avoid checking numa mask for scheduler MC
selection
Status in linux
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
Executed the test case with -proposed Bionic kernel. No system hang or
crash was observed. On Cavium CN99XX Thunder X2 system.
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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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
** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1797202
Title:
[Bionic] arm64: topology: Avoid checking
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Status: New => In Progress
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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** Description changed:
[Impact]
The numa mask subset check can often lead to system hang or crash during CPU
hotplug and system suspend operation if NUMA is disabled. This is mostly
observed on HMP systems where the CPU compute capacities are different and ends
up in different scheduler
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