Commit landed in Ubuntu-5.15.0-120.130 (and newer)
and we have 5.15.0.121.121 in proposed.
Hence updating status to Fix Committed.
** Also affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Oracular)
Importance: Medium
Status: Triaged
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Oracular)
Status: Triaged => Fix Committed
** Changed in: linux (Ubuntu Jammy)
Status: New => Fix Committed
** Changed in: ubuntu-z-systems
Status: Triaged => In Progress
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/2072641
Title:
[UBUNTU 22.04] KVM: s390: unhandled guest LPSWEY instruction
Status in Ubuntu on IBM z Systems:
In Progress
Status in linux package in Ubuntu:
Fix Committed
Status in linux source package in Jammy:
Fix Committed
Status in linux source package in Noble:
New
Status in linux source package in Oracular:
Fix Committed
Bug description:
Description: KVM: s390: unhandled guest LPSWEY instruction
Symptom: guest kernel oops on LPSWEY instruction
Problem: in rare cases like machine check injection with
PSW disabled, all load PSW instructions are
intercepted. LPSW and LPSWE are handled by KVM but
not the new LPSWEY
Solution: Provide an LPSWEY handler in KVM.
Reproduction: hotplug a device while a CPU is disabled for machine
checks, e.g. during early boot
Upstream-ID: 4c6abb7f7b349f00c0f7ed5045bf67759c012892
Preventive: yes
Reported: upstream
Component: kernel
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