linux: 4.4.0-138.164 -proposed tracker

Snap beta testing complete, no regressions found. Ready for promotion. Results here: https://trello.com/c/QIDtt9hu/417-pc-kernel-440-138164-162

Verification testing completed.

Hardware Certification have begun testing this -proposed kernel.

4.4.0-138.164 - lowlatency
Regression test CMPL, RTB.

1 / 51 tests were run, missing: aio_dio_bugs, aiostress, ebizzy, fs_mark, fsx, hwclock, iosched_bugs, iperf, ipv6connect, libhugetlbfs, monotonic_time, rmaptest, rtc, signaltest, synctest, ubuntu_32_on_64, ubuntu_aufs_smoke_test, ubuntu_blktrace_smoke_test, ubuntu_bpf_jit, ubuntu_cts_kernel, ubuntu_cve_kernel, ubuntu_docker_smoke_test, ubuntu_ecryptfs, ubuntu_fan_smoke_test, ubuntu_kernel_selftests, ubuntu_kvm_smoke_test, ubuntu_kvm_unit_tests, ubuntu_leap_seconds, ubuntu_loop_smoke_test, ubuntu_ltp_syscalls, ubuntu_lttng_smoke_test, ubuntu_lxc, ubuntu_nbd_smoke_test, ubuntu_qrt_apparmor, ubuntu_qrt_kernel_aslr_collisions, ubuntu_qrt_kernel_hardening, ubuntu_qrt_kernel_panic, ubuntu_qrt_kernel_security, ubuntu_quota_smoke_test, ubuntu_ramfs_stress, ubuntu_squashfs_smoke_test, ubuntu_stress_smoke_test, ubuntu_unionmount_overlayfs_suite, ubuntu_vfat_stress, ubuntu_zfs_fstest, ubuntu_zfs_smoke_test, ubuntu_zfs_xfs_generic, ubuntu_zram_smoke_test, wb_kupdate, xfstests
Issue to note in amd64:
  None

4.4.0-138.164 - generic
Regression test CMPL, RTB.

Issue to note in amd64:
  libhugetlbfs - failed on groucho only, passed on the rest
  ubuntu_fan_smoke_test - failed on chico only, passed on the rest (network issue)
  ubuntu_kvm_unit_tests - 32 failed on amaura, 24 failed on michael, 28 failed on pepe
  ubuntu_ltp_syscalls - bind03 failed (bug 1788351) execveat03 failed (bug 1786729) 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) mlock203 failed (bug 1793451)
  ubuntu_lxc - passed after re-run
  ubuntu_nbd_smoke_test - not working on daedalus (bug 1798722)
  xfstests - xfs generic/476 timed out

44 / 45 tests were run, missing: ubuntu_nbd_smoke_test
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 - bind03 failed (bug 1788351) execveat03 failed (bug 1786729) 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) mlock203 failed (bug 1793451)
  ubuntu_stress_smoke_test - revio (bug 1798566)
  xfstests - xfs/438 timed out

32 / 44 tests were run, missing: ubuntu_aufs_smoke_test, ubuntu_blktrace_smoke_test, ubuntu_docker_smoke_test, ubuntu_fan_smoke_test, ubuntu_kvm_smoke_test, ubuntu_loop_smoke_test, ubuntu_lttng_smoke_test, ubuntu_nbd_smoke_test, ubuntu_quota_smoke_test, ubuntu_squashfs_smoke_test, ubuntu_stress_smoke_test, ubuntu_zram_smoke_test
Issue to note in i386:
  ubuntu_kvm_unit_tests - failed to build (bug 1798007)
  ubuntu_ltp_syscalls - bind03 failed (bug 1788351) execveat03 failed (bug 1786729) 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 (bu...

Hardware Certification have completed testing this -proposed kernel. No regressions were observed, results are available here: http://people.canonical.com/~hwcert/sru-testing/xenial/4.4.0-138.164/xenial-proposed-published.html

This bug was fixed in the package linux - 4.4.0-138.164

---------------
linux (4.4.0-138.164) xenial; urgency=medium

  * linux: 4.4.0-138.164 -proposed tracker (LP: #1795582)

  * Linux 4.4.155 stable release build is broken on ppc64 (LP: #1795662)
    - powerpc/fadump: Return error when fadump registration fails

  * Kernel hang on drive pull caused by regression introduced by commit
    287922eb0b18 (LP: #1791790)
    - block: Fix a race between blk_cleanup_queue() and timeout handling

  * qeth: use vzalloc for QUERY OAT buffer (LP: #1793086)
    - s390/qeth: use vzalloc for QUERY OAT buffer

  * Page leaking in cachefiles_read_backing_file while vmscan is active
    (LP: #1793430)
    - SAUCE: cachefiles: Page leaking in cachefiles_read_backing_file while vmscan
      is active

  * Bugfix for handling of shadow doorbell buffer (LP: #1788222)
    - nvme-pci: add a memory barrier to nvme_dbbuf_update_and_check_event

  * Xenial update to 4.4.155 stable release (LP: #1792419)
    - net: 6lowpan: fix reserved space for single frames
    - net: mac802154: tx: expand tailroom if necessary
    - 9p/net: Fix zero-copy path in the 9p virtio transport
    - net: lan78xx: Fix misplaced tasklet_schedule() call
    - spi: davinci: fix a NULL pointer dereference
    - drm/i915/userptr: reject zero user_size
    - powerpc/fadump: handle crash memory ranges array index overflow
    - powerpc/pseries: Fix endianness while restoring of r3 in MCE handler.
    - fs/9p/xattr.c: catch the error of p9_client_clunk when setting xattr failed
    - 9p/virtio: fix off-by-one error in sg list bounds check
    - net/9p/client.c: version pointer uninitialized
    - net/9p/trans_fd.c: fix race-condition by flushing workqueue before the
      kfree()
    - dm cache metadata: save in-core policy_hint_size to on-disk superblock
    - iio: ad9523: Fix displayed phase
    - iio: ad9523: Fix return value for ad952x_store()
    - vmw_balloon: fix inflation of 64-bit GFNs
    - vmw_balloon: do not use 2MB without batching
    - vmw_balloon: VMCI_DOORBELL_SET does not check status
    - vmw_balloon: fix VMCI use when balloon built into kernel
    - tracing: Do not call start/stop() functions when tracing_on does not change
    - tracing/blktrace: Fix to allow setting same value
    - kthread, tracing: Don't expose half-written comm when creating kthreads
    - uprobes: Use synchronize_rcu() not synchronize_sched()
    - 9p: fix multiple NULL-pointer-dereferences
    - PM / sleep: wakeup: Fix build error caused by missing SRCU support
    - pnfs/blocklayout: off by one in bl_map_stripe()
    - ARM: tegra: Fix Tegra30 Cardhu PCA954x reset
    - mm/tlb: Remove tlb_remove_table() non-concurrent condition
    - iommu/vt-d: Add definitions for PFSID
    - iommu/vt-d: Fix dev iotlb pfsid use
    - osf_getdomainname(): use copy_to_user()
    - sys: don't hold uts_sem while accessing userspace memory
    - userns: move user access out of the mutex
    - ubifs: Fix memory leak in lprobs self-check
    - Revert "UBIFS: Fix potential integer overflow in allocation"
    - ubifs: Check data node size before truncate
    - ubifs: Fix synced_i_size calculation for xattr inodes
    - pwm: ti...

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