linux: 4.15.0-39.42 -proposed tracker

Hardware Certification have begun testing this -proposed kernel.

Hardware Certification have completed testing this -proposed kernel. No regressions were observed, results are available here: http://people.canonical.com/~hwcert/sru-testing/bionic/4.15.0-39.42/bionic-proposed-published.html

4.15.0-39.42 - generic
Regression test CMPL, RTB.

Issue to note in amd64:
  ubuntu_ecryptfs - should be skipped
  ubuntu_kvm_unit_tests - 29 failed on amaura, 17 failed on gummo, 14 failed on michael, 25 failed on pepe
  ubuntu_ltp - growfiles test eat up all the disk space (bug 1790445)
  ubuntu_ltp_syscalls - execveat03 failed (bug 1786729) inotify08 failed with X/X-LTS/X-HWE/A/B kernel (bug 1775784) getrandom02 timed out (bug 1797327) msgstress03 (bug 1797341)
  ubuntu_performance_fio_aws - test for nvidia project, should be skipped
  ubuntu_performance_pts_aws - test for nvidia project, should be skipped
  ubuntu_qrt_apparmor - python package installation issue (bug 1799206), passed after re-test
  ubuntu_qrt_kernel_panic - missing keyctl package, passed after re-test
  ubuntu_qrt_kernel_security - python package installation issue (bug 1799206), passed after re-test
  xfstests - timed out on ext4 generic/430 test (bug 1755999)

Issue to note in arm64:
  hwclock - issue for HP m400 (bug 1716603)
  ubuntu_bpf - test_map failed (bug 1788562)
  ubuntu_ecryptfs - should be skipped
  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 Moonshot (bug 1790825)
  ubuntu_ltp_syscalls - execveat03 failed (bug 1786729) inotify08 failed with X/X-LTS/X-HWE/A/B kernel (bug 1775784)
  ubuntu_qrt_apparmor - python package installation issue (bug 1799206), passed after re-test
  ubuntu_qrt_kernel_panic - missing keyctl package, passed after re-test
  xfstests - timed out on ext4 generic/430 test (bug 1755999)

Issue to note in i386:
  ubuntu_bpf - Some test in test_verifier failed on i386 Bionic (bug 1788578)
  ubuntu_ecryptfs - should be skipped
  subuntu_kvm_unit_tests - 29 failed on pepe
  ubuntu_ltp_syscalls - execveat03 failed (bug 1786729) inotify08 failed with X/X-LTS/X-HWE/A/B kernel (bug 1775784)
  ubuntu_qrt_kernel_panic - missing keyctl package, passed after re-test
  xfstests - timed out on ext4 generic/430 test (bug 1755999)

Issue to note in ppc64le (P8):
  ubuntu_bpf - test_map failed (bug 1788562)
  ubuntu_ecryptfs - should be skipped
  ubuntu_kvm_smoke_test - test case issue, KVM works fine
  ubuntu_kvm_unit_tests - sprs timed out (bug 1740017)
  ubuntu_ltp_syscalls - execveat03 failed (bug 1786729) fallocate05 (bug 1783880) inotify08 failed with X/X-LTS/X-HWE/A/B kernel (bug 1775784)
  ubuntu_qrt_apparmor - python package installation issue (bug 1799206), passed after re-test
  ubuntu_qrt_kernel_panic - missing keyctl package, passed after re-test
  ubuntu_vfat_stress - can only be triggered when running with the test suite (bug 1801907)
  xfstests - timed out on ext4 generic/430 test (bug 1755999)

Issue to note in ppc64le (P9):
  hwclock - hwclock test failed on Power9 due to 0.02 sec differences (bug 1802233)
  ubuntu_bpf - test_map failed (bug 1788562)
  ubuntu_ecryptfs - should be skipped
  ubuntu_kvm_unit_tests - sprs timed out (bug 1740017)
  ubuntu_ltp_syscalls - execveat03 failed (bug 1786729) fallocate05 (bug 1783880) inotify08 failed with X/X-LTS/X-HWE/A/B kernel ...

Notes on bugs not verified:
- bug 1792957 and bug 1790832: verified upfront by IBM.
- bug 1795653: bug reporter didn't have a chance to verify the fix.

Given that these bugs pose a very small regression potential, I'm marking verification-testing as 'Fix Released'.

This bug was fixed in the package linux - 4.15.0-39.42

---------------
linux (4.15.0-39.42) bionic; urgency=medium

  * linux: 4.15.0-39.42 -proposed tracker (LP: #1799411)

  * Linux: insufficient shootdown for paging-structure caches (LP: #1798897)
    - mm: move tlb_table_flush to tlb_flush_mmu_free
    - mm/tlb: Remove tlb_remove_table() non-concurrent condition
    - mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE
    - [Config] CONFIG_HAVE_RCU_TABLE_INVALIDATE=y

  * Ubuntu18.04: GPU total memory is reduced (LP: #1792102)
    - Revert "powerpc/powernv: Increase memory block size to 1GB on radix"

  * arm64: snapdragon: reduce boot noise (LP: #1797154)
    - [Config] arm64: snapdragon: DRM_MSM=m
    - [Config] arm64: snapdragon: SND*=m
    - [Config] arm64: snapdragon: disable ARM_SDE_INTERFACE
    - [Config] arm64: snapdragon: disable DRM_I2C_ADV7511_CEC
    - [Config] arm64: snapdragon: disable VIDEO_ADV7511, VIDEO_COBALT

  * [Bionic] CPPC bug fixes (LP: #1796949)
    - ACPI / CPPC: Update all pr_(debug/err) messages to log the susbspace id
    - cpufreq: CPPC: Don't set transition_latency
    - ACPI / CPPC: Fix invalid PCC channel status errors

  * regression in 'ip --family bridge neigh' since linux v4.12 (LP: #1796748)
    - rtnetlink: fix rtnl_fdb_dump() for ndmsg header

  * screen displays abnormally on the lenovo M715 with the AMD GPU (Radeon Vega
    8 Mobile, rev ca, 1002:15dd) (LP: #1796786)
    - drm/amd/display: Fix takover from VGA mode
    - drm/amd/display: early return if not in vga mode in disable_vga
    - drm/amd/display: Refine disable VGA

  * arm64: snapdragon: WARNING: CPU: 0 PID: 1 arch/arm64/kernel/setup.c:271
    reserve_memblock_reserved_regions (LP: #1797139)
    - SAUCE: arm64: Fix /proc/iomem for reserved but not memory regions

  * The front MIC can't work on the Lenovo M715 (LP: #1797292)
    - ALSA: hda/realtek - Fix the problem of the front MIC on the Lenovo M715

  * Keyboard backlight sysfs sometimes is missing on Dell laptops (LP: #1797304)
    - platform/x86: dell-smbios: Correct some style warnings
    - platform/x86: dell-smbios: Rename dell-smbios source to dell-smbios-base
    - platform/x86: dell-smbios: Link all dell-smbios-* modules together
    - [Config] CONFIG_DELL_SMBIOS_SMM=y, CONFIG_DELL_SMBIOS_WMI=y

  * rpi3b+: ethernet not working (LP: #1797406)
    - lan78xx: Don't reset the interface on open

  * 87cdf3148b11 was never backported to 4.15 (LP: #1795653)
    - xfrm: Verify MAC header exists before overwriting eth_hdr(skb)->h_proto

  * [Ubuntu18.04][Power9][DD2.2]package installation segfaults inside debian
    chroot env in P9 KVM guest with HTM enabled (kvm) (LP: #1792501)
    - KVM: PPC: Book3S HV: Fix guest r11 corruption with POWER9 TM workarounds

  * Provide mode where all vCPUs on a core must be the same VM (LP: #1792957)
    - KVM: PPC: Book3S HV: Provide mode where all vCPUs on a core must be the same
      VM

  * fscache: bad refcounting in fscache_op_complete leads to OOPS (LP: #1797314)
    - SAUCE: fscache: Fix race in decrementing refcount of op->npages

  * CVE-2018-9363
    - Bluetooth: hidp: buffer overflow in hidp_process_report

  * CVE-20...

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