Thanks for the report!
With the patch not even being in 4.19 yet this clearly affects C+B at least.
Since it is P9 only and P9 is not meant to work on xenial, I think the P9 HTM
workarounds are only in Bionic - so this is B+C but no earlier release.
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage)
Status: New
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https://bugs.launchpad.net/bugs/1792501
Title:
[Ubuntu18.04][Power9][DD2.2]package installation segfaults inside
debian chroot env in P9 KVM guest with HTM enabled (kvm)
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