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- xenial' to 'verification-done-xenial'. If the problem still exists, change the tag 'verification-needed-xenial' to 'verification-failed- xenial'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! -- 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/1747090 Title: KVM patches for s390x to provide facility bits 81 (ppa15) and 82 (bpb) Status in linux package in Ubuntu: Fix Committed Status in linux source package in Xenial: Fix Committed Status in linux source package in Artful: Fix Committed Status in linux source package in Bionic: Fix Committed Bug description: == SRU Justification == Mainline commit 35b3fde6203b9 is a KVM patch for s390x to provide facility bits 81 (ppa15) and 82 (bpb). This is required for branch prediction behaviour changes. This is the public bug for SRU. There is also a priave bug report: http://bugs.launchpad.net/bugs/1743560 There is a qemu portion to this fix: http://patchwork.ozlabs.org/cover/862801/ == Fixes == Artful/Bionic: 35b3fde6203b ("KVM: s390: wire up bpb feature") Xenial: ed8dda0bf74b ("Enable all facility bits that are known good for passthrough") 35b3fde6203b ("KVM: s390: wire up bpb feature") == Regression Potential == Low, this fix is limited to s390. == Test Case == A test kernel was built with this patch and tested by the original bug reporter. The bug reporter states the test kernel resolved the bug. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1747090/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : email@example.com Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp