This bug affects s390x only, hence I'm updating all further verification
requests to done, to unblock potential ongoing processes.
** Tags removed: verification-needed-jammy-linux-mtk
** Tags added: verification-done-jammy-linux-mtk
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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
** Tags removed: verification-needed-focal-linux-aws-5.15
verification-needed-jammy-linux-aws
verification-needed-jammy-linux-xilinx-zynqmp
** Tags added: verification-done-focal-linux-aws-5.15
verification-done-jammy-linux-aws verification-done-jammy-linux-xilinx-zynqmp
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This bug is awaiting verification that the linux-xilinx-
zynqmp/5.15.0-1024.28 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-xilinx-zynqmp'
to
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
--- Comment From boris.m...@de.ibm.com 2023-09-01 10:31 EDT---
As this has been released to jammy -updates, we can close the bug.
Thanks everyone for all your work.
==> Changing the status to "CLOSED"
** Tags removed: verification-needed-jammy-linux-azure
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@mjrosato Many thx for this successful kernel verification!
(I'll cross-reference this as fyi to the qemu bug, too.)
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Title:
[22.04
--- Comment From mjros...@us.ibm.com 2023-07-20 13:50 EDT---
Verification of this kernel feature is complete. All tests were run using the
kernel in jammy-proposed (5.15.0-79-generic #86-Ubuntu) on the host as well as
in the KVM guest (except where otherwise noted, see below).
Because
** Description changed:
[ Impact ]
- * Currently the PCI passthrough implementation for s390x is based on
-intercepting PCI I/O instructions, which leads to a reduced I/O performance
-compared to the execution of PCI instructions directly in LPAR.
+ * Currently the PCI passthrough
@mjrosato - ok, please take a few more days.
But what's needed is a detailed test plan about how this (L#1853306), in
combination with the qemu part (LP#1853307 - see commet #23), that shows how
this be verified.
It should be detailed, step-by-step and e2e - it's needed for this (actually
This bug is awaiting verification that the linux/5.15.0-79.86 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
** Changed in: linux (Ubuntu Jammy)
Status: In Progress => Fix Committed
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Title:
[22.04 FEAT] Enhanced Interpretation for
Pull request submitted to kernel team's mailing list:
https://lists.ubuntu.com/archives/kernel-team/2023-June/thread.html#140405
changing status to 'In Progress'.
A test kernel was build in PPA and is available here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1853306
** Changed in: linux
** Description changed:
- The PCI Passthrough implementation is based on intercepting PCI I/O
instructions which leads to a reduced I/O performance compared to execution of
PCI instructions in LPAR.
- For improved performance the interpretive execution of the PCI store and PCI
load
PR for the above 30 commits requested for jammy, plus setting a default
for a new kernel option
** Patch added: "-pull.patch"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853306/+attachment/5679544/+files/-pull.patch
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Test kernels (for all major archs, for regression testing) for jammy/22.04
(with VFIO zPCI pass-through for s390x enabled, so CONFIG_VFIO_PCI_ZDEV_KVM=y,
means build in, not as module) are currently building here:
https://launchpad.net/~fheimes/+archive/ubuntu/lp1853306
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** Also affects: linux (Ubuntu Kinetic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Mantic)
Importance: Medium
Assignee: Canonical Kernel Team (canonical-kernel-team)
Status: Fix Released
** Also affects: linux (Ubuntu Lunar)
Importance: Undecided
** Changed in: ubuntu-z-systems
Status: Fix Committed => Fix Released
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Title:
[22.04 FEAT] Enhanced Interpretation for PCI
This bug was fixed in the package linux - 5.19.0-18.18
---
linux (5.19.0-18.18) kinetic; urgency=medium
* kinetic/linux: 5.19.0-18.18 -proposed tracker (LP: #1990366)
* 5.19.0-17.17: kernel NULL pointer dereference, address: 0084
(LP: #1990236)
- Revert
This is now incl. in linux-generic | 5.19.0.18.18 | kinetic-proposed
hence updating the status to Fix Committed.
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Committed
** Changed in: ubuntu-z-systems
Status: In Progress => Fix Committed
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Pull request was submitted to kernel team's mailing list:
https://lists.ubuntu.com/archives/kernel-team/2022-September/thread.html#133371
changing status to 'In Progress'.
A test kernel was build on all major architectures in PPA and is available here:
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