This bug is awaiting verification that the linux-mtk/5.15.0-1030.34
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-jammy-linux-mtk' to 'verification-done-jammy-
linux-mtk'. If the pro
This fix is not specific to azure/aws, and it was verified against
generic kernel.
** Tags removed: verification-needed-jammy
** Tags added: verification-done-jammy
** Tags removed: verification-needed-focal-linux-aws-5.15
** Tags added: verification-done-focal-linux-aws-5.15
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This bug is awaiting verification that the linux-
aws-5.15/5.15.0-1046.51~20.04.1 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-focal-linux-
aws-5.15' to 'verification-done-focal-lin
This bug is awaiting verification that the linux-azure/5.15.0-1040.47
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-jammy' to 'verification-done-jammy'. If the
problem still exists,
This bug is awaiting verification that the linux-aws/5.15.0-1038.43
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-jammy' to 'verification-done-jammy'. If the
problem still exists, ch
This bug is awaiting verification that the linux-intel-
iotg/5.15.0-1031.36 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-jammy' to 'verification-
done-jammy'. If the problem still e
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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https://bugs.launchpad.net/bugs/2015855
Title:
Add split lock detection for EMR
Status i
This bug is awaiting verification that the linux-
riscv-5.15/5.15.0-1034.38~20.04.1 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-focal' to
'verification-done-focal'. If the problem
This bug was fixed in the package linux - 5.15.0-72.79
---
linux (5.15.0-72.79) jammy; urgency=medium
* jammy/linux: 5.15.0-72.79 -proposed tracker (LP: #2016548)
* Add split lock detection for EMR (LP: #2015855)
- x86/split_lock: Enumerate architectural split lock disable bi
** Tags removed: verification-needed-jammy
** Tags added: verification-done-jammy
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https://bugs.launchpad.net/bugs/2015855
Title:
Add split lock detection for EMR
Status i
This bug is awaiting verification that the linux/5.15.0-72.79 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-jammy' to 'verification-done-jammy'. If the problem
still exists, change t
** Changed in: linux (Ubuntu Jammy)
Status: Confirmed => Fix Committed
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Committed
** Changed in: linux (Ubuntu)
Status: Fix Committed => Invalid
** Changed in: linux (Ubuntu Jammy)
Assignee: (unassigned) => Roxana
** Attachment added:
"architecture-instruction-set-extensions-programming-reference.pdf"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2015855/+attachment/5663634/+files/architecture-instruction-set-extensions-programming-reference.pdf
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** Description changed:
SRU Justification
+ [Impact]
+ Intel has introduced support for their new Emerald Rapids CPU.
+ It was backported to Jammy in #lp2015372
+
+ The remaining feature needed to fully support EMR is the split lock detection
mechanism.
+ So far, bit 5 in IA32_CORE_CAPABILIT
Got feedback from intel that the extra commits are not necessary.
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https://bugs.launchpad.net/bugs/2015855
Title:
Add split lock detection for EMR
Status in linux package
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Changed in: linux (Ubuntu Jammy)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bu
Waiting on intel response if these 2 commits
- b041b525dab95
- 727209376f499
are needed to support this as well.
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https://bugs.launchpad.net/bugs/2015855
Title:
Add split l
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