4.15.0-24.26 - generic
Regression test CMPL, RTB.

Issue to note in amd64:
  monotonic_time - lodygin constantly failed with tsc test (bug 1732620)
  ubuntu_kvm_unit_tests - 27 failed on amaura, 16 failed on harpo, 4 failed on lodygin, 11 failed on michael
  ubuntu_ltp - inotify08 failed with X/X-LTS/X-HWE/A/B kernel (bug 1775784) ar test failed with 4.15 KVM (bug 1765331)
  ubuntu_ltp_syscalls - inotify08 failed with X/X-LTS/X-HWE/A/B kernel (bug 1775784)
  ubuntu_lxc - lxc-test-usernic.in failed on Bionic (bug 1775809)
  ubuntu_unionmount_overlayfs_suite - File unexpectedly on union layer (bug 1751243)

Issue to note in arm64:
  hwclock - issue for HP m400 (bug 1716603)
  ubuntu_bpf - test_maps failed to build on arm64 (bug 1779119)
  ubuntu_kvm_smoke_test - Unable to boot Xenial cloud image on Bionic ARM64 ThunderX / Azure (bug 1765668)
  ubuntu_kvm_unit_tests - gicv3-ipi and gicv3-active failed on ms10-34-mcdivittB0-kernel, passed on the rest
  ubuntu_ltp_syscalls - inotify08 failed with X/X-LTS/X-HWE/A/B kernel (bug 1775784)
  ubuntu_lxc - lxc-test-usernic.in failed on Bionic (bug 1775809)
  ubuntu_unionmount_overlayfs_suite - File unexpectedly on union layer (bug 1751243)

Issue to note in i386:
  ubuntu_ltp_syscalls - fcntl36 failed with X/X-LTS/X-HWE/X-EDGE/B i386 kernel (bug 1774396) inotify08 failed with X/X-LTS/X-HWE/A/B kernel (bug 1775784)
  ubuntu_unionmount_overlayfs_suite - File unexpectedly on union layer (bug 1751243)

Issue to note in ppc64le (P9):
  hwclock - adjusted time got a small difference
  ubuntu_bpf - test_maps failed to build on ppc64le (bug 1750793)
  ubuntu_kvm_unit_tests - sprs hang, bug 1740017
  ubuntu_ltp_syscalls - inotify08 failed with X/X-LTS/X-HWE/A/B kernel (bug 1775784)
  ubuntu_lxc - lxc-test-usernic.in failed on Bionic (bug 1775809)
  ubuntu_unionmount_overlayfs_suite - File unexpectedly on union layer (bug 1751243)

Issue to note in s390x (Ubuntu on LPAR):
  ubuntu_bpf - failed to build on s390x (bug 1711299)
  ubuntu_bpf_jit - ubuntu_bpf_jit test failed on Bionic s390x (bug 1753941)
  ubuntu_ltp_syscalls - inotify08 failed with X/X-LTS/X-HWE/A/B kernel (bug 1775784)
  ubuntu_lxc - lxc-test-usernic.in failed on Bionic (bug 1775809)
  ubuntu_unionmount_overlayfs_suite - File unexpectedly on union layer (bug 1751243)

Issue to note in s390x (zKVM):
  ubuntu_bpf - failed to build on s390x (bug 1711299)
  ubuntu_bpf_jit - ubuntu_bpf_jit test failed on Bionic s390x (bug 1753941)
  ubuntu_kvm_unit_tests - skey failed 
  ubuntu_ltp_syscalls - inotify08 failed with X/X-LTS/X-HWE/A/B kernel (bug 1775784)
  ubuntu_lxc - lxc-test-usernic.in failed on Bionic (bug 1775809)
  ubuntu_unionmount_overlayfs_suite - File unexpectedly on union layer (bug 1751243)

Issue to note in s390x (zVM):
  ubuntu_bpf - failed to build on s390x (bug 1711299)
  ubuntu_bpf_jit - ubuntu_bpf_jit test failed on Bionic s390x (bug 1753941)
  ubuntu_kvm_unit_tests - skey failed (bug 1778705)
  ubuntu_ltp_syscalls - inotify08 failed with X/X-LTS/X-HWE/A/B kernel (bug 1775784)
  ubuntu_lxc - lxc-test-usernic.in failed on Bionic (bug 1775809)
  ubuntu_unionmount_overlayfs_suite - File unexpectedly on union layer (bug 1751243)

Note that we're missing power8 results in this cycle.
It was suffering from bug 1773162, the fix has landed, but the MaaS will try to deploy the buggy version.