This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 2036675 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- 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/2036675 Title: 5.15.0-85 live migration regression Status in linux package in Ubuntu: Incomplete Bug description: Fixes added for LP 2032164 [0] to resolve an issue in live migration have unfortunately introduced a regression, causing a previously working live migration pattern to fail when tested with the 5.15.0-85 kernel from -proposed. Specifically, live migration from a PKRU-enabled host running a kernel older than 5.15.0-85 to a host running the 5.15.0-85 kernel will fail. The destination can be either with or without PKRU; both cases fail, although in different ways (one hangs, the other fails due to a PCID flag issue). The commits in question are commit fa9225d64f215e8109de10f6b6c7a08f033d0ec0 Author: Dr. David Alan Gilbert <dgilb...@redhat.com> Date: Mon Aug 21 14:47:28 2023 +0800 KVM: x86: Always enable legacy FP/SSE in allowed user XFEATURES commit 27a189b881278c8ad9c16b0ee05668d724352733 Author: Leonardo Bras <leob...@redhat.com> Date: Mon Aug 21 14:47:27 2023 +0800 x86/kvm/fpu: Limit guest user_xfeatures to supported bits of XCR0 [0] https://bugs.launchpad.net/bugs/2032164 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2036675/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp