------- Comment From heinz-werner_se...@de.ibm.com 2019-05-22 08:57 EDT------- Increased severity to high
** Tags removed: severity-medium ** Tags added: severity-high -- 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/1829972 Title: Require improved hypervisor detection patch in Ubuntu 18.04 Status in Ubuntu on IBM z Systems: Triaged Status in linux package in Ubuntu: New Bug description: This kernel commit is requested to be included into the bionic's 4.15.0 LTS kernel: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=03aa047ef2db4985e444af6ee1c1dd084ad9fb4c s390/early: improve machine detection Right now the early machine detection code check stsi 3.2.2 for "KVM" and set MACHINE_IS_VM if this is different. As the console detection uses diagnose 8 if MACHINE_IS_VM returns true this will crash Linux early for any non z/VM system that sets a different value than KVM. So instead of assuming z/VM, do not set any of MACHINE_IS_LPAR, MACHINE_IS_VM, or MACHINE_IS_KVM. This is required for a dedicated SSC exploiter To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1829972/+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