Hello,
can you help us to verify if this kernel can meet your needs?
Thanks
** Changed in: ubuntu-z-systems
Status: Triaged => Incomplete
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https://bugs.launchpad.net/bugs/1829972
Title:
Require improved hypervisor detection patch in Ubuntu 18.04
Status in Ubuntu on IBM z Systems:
Incomplete
Status in linux package in Ubuntu:
New
Status in linux source package in Bionic:
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
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