linux: 4.4.0-140.166 -proposed tracker

Hardware Certification have begun testing this -proposed kernel.

Snap beta testing complete, no regressions found. Ready for promotion. Results here: https://trello.com/c/l1KMpL6x/491-pc-kernel-440-140166-173

Verification test completed with Xenial kernel 4.4.0-140.166.

Hardware Certification have completed testing this -proposed kernel. No regressions were observed, results are available here: http://people.canonical.com/~hwcert/sru-testing/xenial/4.4.0-140.166/xenial-proposed-published.html

4.4.0-140.166 - lowlatency
Regression test CMPL, RTB.

44 / 52 tests were run, missing: ubuntu_bpf_jit, ubuntu_cts_kernel, ubuntu_cve_kernel, ubuntu_ecryptfs, ubuntu_ltp_syscalls, ubuntu_zfs_fstest, ubuntu_zfs_xfs_generic, xfstests
Issue to note in amd64:
  libhugetlbfs - failed on groucho only, passed on the rest
  ubuntu_kvm_unit_tests - 31 failed on KVM nodes

4.4.0-140.166 - generic
Regression test CMPL, RTB.

51 / 52 tests were run, missing: ubuntu_ramfs_stress
Issue to note in amd64:
  ubuntu_kvm_unit_tests - 31 failed on amaura, 31 failed on pepe
  ubuntu_ltp_syscalls - inotify07 failed with X/X-LTS/A kernel (bug 1774387) inotify08 failed with X/X-LTS/X-HWE/A kernel (bug 1775784) fanotify07/fanotify08 test timeouted (bug 1775165) fanotify09 timeouted (bug 1775153) fanotify10 timed out
  xfstests - xfs xfs/438 timed out

Issue to note in arm64:
  hwclock - issue for HP m400 (bug 1716603)
  ubuntu_kvm_smoke_test - unable to create KVM with uvtool (bug 1749427)
  ubuntu_kvm_unit_tests - pmu on ms10-34-mcdivittB0-kernel (bug 1751000) gicv2-ipi and gicv2-active on starmie
  ubuntu_ltp_syscalls - inotify07 failed with X/X-LTS/A kernel (bug 1774387) inotify08 failed with X/X-LTS/X-HWE/A kernel (bug 1775784) fanotify07/fanotify08 test timeouted (bug 1775165) fanotify09 timeouted (bug 1775153) fanotify10 timed out
  xfstests - xfs xfs/438 timed out

Issue to note in i386:
  ubuntu_kvm_unit_tests - unable to build on X/T i386 (bug 1798007)
  ubuntu_ltp_syscalls - inotify07 failed with X/X-LTS/A kernel (bug 1774387) inotify08 failed with X/X-LTS/X-HWE/A kernel (bug 1775784) fanotify07/fanotify08 test timeouted (bug 1775165) fanotify09 timeouted (bug 1775153) fanotify10 timed out
  xfstests - xfs generic/308 timed out (bug 1738152)

Issue to note in ppc64le (P8):
  ubuntu_kvm_smoke_test - unable to create KVM with uvtool, bug 1755118
  ubuntu_ltp_syscalls - bind03 failed (bug 1788351) inotify07 failed with X/X-LTS/A kernel (bug 1774387) inotify08 failed with X/X-LTS/X-HWE/A kernel (bug 1775784) fanotify07/fanotify08 test timeouted (bug 1775165) fanotify09 timeouted (bug 1775153) fanotify10 timed out
  ubuntu_zfs_xfs_generic - test 132 failed on entei, passed on modoc
  xfstests - btrfs generic/176 timed out

Issue to note in s390x (KVM):
  libhugetlbfs - failed 11 killed by signal 7 bad config 1
  ubuntu_bpf_jit - unable to insert test_bpf on Xenial s390x (bug 1768452)
  ubuntu_kvm_smoke_test - uvtool issue (bug 1729854)
  ubuntu_kvm_unit_tests - 12 failed
  ubuntu_ltp_syscalls - inotify07 failed with X/X-LTS/A kernel (bug 1774387) inotify08 failed with X/X-LTS/X-HWE/A kernel (bug 1775784) fanotify07/fanotify08 test timeouted (bug 1775165) fanotify09 timeouted (bug 1775153) fanotify10 timed out

Issue to note in s390x (Ubuntu on LPAR):
  libhugetlbfs - failed 11 killed by signal 7 bad config 1
  ubuntu_bpf_jit - unable to insert test_bpf on Xenial s390x (bug 1768452)
  ubuntu_kvm_smoke_test - uvtool issue (bug 1729854)
  ubuntu_ltp_syscalls - inotify07 failed with X/X-LTS/A kernel (bug 1774387) inotify08 failed with X/X-LTS/X-HWE/A kernel (bug 1775784) fanotify07/fanotify08 test timeouted (bug 1775165)...

This bug was fixed in the package linux - 4.4.0-140.166

---------------
linux (4.4.0-140.166) xenial; urgency=medium

  * linux: 4.4.0-140.166 -proposed tracker (LP: #1802776)

  * Bypass of mount visibility through userns + mount propagation (LP: #1789161)
    - mount: Retest MNT_LOCKED in do_umount
    - mount: Don't allow copying MNT_UNBINDABLE|MNT_LOCKED mounts

  * kdump fail due to an IRQ storm (LP: #1797990)
    - SAUCE: x86/PCI: Export find_cap() to be used in early PCI code
    - SAUCE: x86/quirks: Add parameter to clear MSIs early on boot
    - SAUCE: x86/quirks: Scan all busses for early PCI quirks

  * crash in ENA driver on removing an interface (LP: #1802341)
    - SAUCE: net: ena: fix crash during ena_remove()

  * xenial guest on arm64 drops to busybox under openstack bionic-rocky
    (LP: #1797092)
    - [Config] CONFIG_PCI_ECAM=y
    - PCI: Provide common functions for ECAM mapping
    - PCI: generic, thunder: Use generic ECAM API
    - PCI, of: Move PCI I/O space management to PCI core code
    - PCI: Move ecam.h to linux/include/pci-ecam.h
    - PCI: Add parent device field to ECAM struct pci_config_window
    - PCI: Add pci_unmap_iospace() to unmap I/O resources
    - PCI/ACPI: Support I/O resources when parsing host bridge resources
    - [Config] CONFIG_ACPI_MCFG=y
    - PCI/ACPI: Add generic MCFG table handling
    - PCI: Refactor pci_bus_assign_domain_nr() for CONFIG_PCI_DOMAINS_GENERIC
    - PCI: Factor DT-specific pci_bus_find_domain_nr() code out
    - ARM64: PCI: Add acpi_pci_bus_find_domain_nr()
    - ARM64: PCI: ACPI support for legacy IRQs parsing and consolidation with DT
      code
    - ARM64: PCI: Support ACPI-based PCI host controller

  * [GLK/CLX] Enhanced IBRS (LP: #1786139)
    - x86/speculation: Remove SPECTRE_V2_IBRS in enum spectre_v2_mitigation
    - x86/speculation: Support Enhanced IBRS on future CPUs

  * Update ENA driver to version 2.0.1K (LP: #1798182)
    - net: ena: remove ndo_poll_controller
    - net: ena: fix warning in rmmod caused by double iounmap
    - net: ena: fix rare bug when failed restart/resume is followed by driver
      removal
    - net: ena: fix NULL dereference due to untimely napi initialization
    - net: ena: fix auto casting to boolean
    - net: ena: minor performance improvement
    - net: ena: complete host info to match latest ENA spec
    - net: ena: introduce Low Latency Queues data structures according to ENA spec
    - net: ena: add functions for handling Low Latency Queues in ena_com
    - net: ena: add functions for handling Low Latency Queues in ena_netdev
    - net: ena: use CSUM_CHECKED device indication to report skb's checksum status
    - net: ena: explicit casting and initialization, and clearer error handling
    - net: ena: limit refill Rx threshold to 256 to avoid latency issues
    - net: ena: change rx copybreak default to reduce kernel memory pressure
    - net: ena: remove redundant parameter in ena_com_admin_init()
    - net: ena: update driver version to 2.0.1
    - net: ena: fix indentations in ena_defs for better readability
    - net: ena: Fix Kconfig dependency on X86
    - net: ena: enable Low Latency Queues
    - net: ena: fix compilat...

The package has been published and the bug is being set to Fix Released