linux-hwe: 4.18.0-14.15~18.04.1 -proposed tracker

Hardware Certification have begun testing this -proposed kernel.

4.18.0-14.15~18.04.1 - generic
Regression test CMPL, RTB.

Issue to note in amd64:
  ubuntu_btrfs_kernel_fixes - 6113077 failed (bug 1810384) ff76b05 failed (bug 1812988)
  ubuntu_kernel_selftests - test_bpf in net (bug 1812189) psock_snd in net (bug 1812618)
  ubuntu_kvm_unit_tests - 24 failed on onibi
  ubuntu_ltp_syscalls - fanotify09-2 (bug 1804594)
  xfstests - timed out on ext4 generic/430 test (bug 1755999)

Issue to note in arm64:
  hwclock - issue for HP m400 (bug 1716603)
  ubuntu_bpf - Failed sockmap unexpected timeout on ARM64 (bug 1805806)
  ubuntu_kernel_selftests - cpu-hotplug failed on moonshot (bug 1809701) test_bpf in net (bug 1812189) psock_snd in net (bug 1812618)
  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 - fanotify09-2 (bug 1804594)
  xfstests - timed out on ext4 generic/430 test (bug 1755999)

46 / 47 tests were run, missing: ubuntu_btrfs_kernel_fixes
Issue to note in i386:
  ubuntu_bpf - Some SK_MSG related tests in ubuntu_bpf failed on i386 B-4.18 (bug 1805994)
  ubuntu_cts_kernel - passed after re-test
  ubuntu_kernel_selftests - test_bpf in net (bug 1812189) psock_snd in net (bug 1812618)
  ubuntu_kvm_unit_tests - 29 failed on onza
  ubuntu_ltp_syscalls - fanotify09-2 (bug 1804594)
  ubuntu_lttng_smoke_test - lttng-smoke test failed on i386 4.18 kernel (bug 1802495)
  xfstests - timed out on ext4 generic/430 test (bug 1755999)

Issue to note in ppc64le (P8):
  ubuntu_bpf - test_map failed on PowerPC (bug 1802474)
  ubuntu_btrfs_kernel_fixes - 6113077 failed (bug 1810384) ff76b05 failed (bug 1812988)
  ubuntu_kernel_selftests - reuseport_bpf_numa in net (bug 1812638) test_bpf in net (bug 1812189) psock_snd in net (bug 1812618) TRACE_syscall.ptrace_syscall_dropped in seccomp (bug 1812796) ebb in powerpc (bug 1812805)
  ubuntu_kvm_smoke_test - failed to start KVM with uvtool on P8 Bionic (bug 1798358)
  ubuntu_kvm_unit_tests - sprs timed out (bug 1740017)
  ubuntu_ltp_syscalls - fanotify09-2 (bug 1804594)
  ubuntu_qrt_kernel_security - LOCK_DOWN_KERNEL (bug 1811981)
  xfstests - timed out on ext4 generic/430 test (bug 1755999)

47 / 48 tests were run, missing: xfstests
Issue to note in ppc64le (P9):
  hwclock - hwclock test failed on PowerPC due to 0.02 sec differences (bug 1802233)
  ubuntu_bpf - test_map failed on PowerPC (bug 1802474)
  ubuntu_btrfs_kernel_fixes - 6113077 failed (bug 1810384) 9e622d6 timeouted (bug 1813258)
  ubuntu_kernel_selftests - reuseport_bpf_numa in net (bug 1812638) test_bpf in net (bug 1812189) psock_snd in net (bug 1812618) TRACE_syscall.ptrace_syscall_dropped in seccomp (bug 1812796) ebb in powerpc (bug 1812805)
  ubuntu_kvm_unit_tests - sprs timed out (bug 1740017)
  ubuntu_ltp_syscalls - fanotify09-2 (bug 1804594)
  ubuntu_qrt_kernel_security - LOCK_DOWN_KERNEL (bug 1811981)

Note: No xfstests for P9 as it does not have a scratch drive
Note: ubuntu_btrfs_kernel_fixes on i386 was blocked by bug 1812845

Hardware Certification have completed testing this -proposed kernel. No regressions were observed, results are available here: http://people.canonical.com/~hwcert/sru-testing/bionic/4.18.0-14.15~18.04.1/bionic-4.18-proposed-published.html

Most bug reports have been verified. The remaining ones are acceptable.

This bug was fixed in the package linux-hwe - 4.18.0-14.15~18.04.1

---------------
linux-hwe (4.18.0-14.15~18.04.1) bionic; urgency=medium

  * linux-hwe: 4.18.0-14.15~18.04.1 -proposed tracker (LP: #1811407)

  [ Ubuntu: 4.18.0-14.15 ]

  * linux: 4.18.0-14.15 -proposed tracker (LP: #1811406)
  * CPU hard lockup with rigorous writes to NVMe drive (LP: #1810998)
    - blk-wbt: Avoid lock contention and thundering herd issue in wbt_wait
    - blk-wbt: move disable check into get_limit()
    - blk-wbt: use wq_has_sleeper() for wq active check
    - blk-wbt: fix has-sleeper queueing check
    - blk-wbt: abstract out end IO completion handler
    - blk-wbt: improve waking of tasks
  * To reduce the Realtek USB cardreader power consumption (LP: #1811337)
    - mmc: core: Introduce MMC_CAP_SYNC_RUNTIME_PM
    - mmc: rtsx_usb_sdmmc: Don't runtime resume the device while changing led
    - mmc: rtsx_usb_sdmmc: Re-work runtime PM support
    - mmc: rtsx_usb_sdmmc: Re-work card detection/removal support
    - memstick: rtsx_usb_ms: Add missing pm_runtime_disable() in probe function
    - misc: rtsx_usb: Use USB remote wakeup signaling for card insertion detection
    - memstick: Prevent memstick host from getting runtime suspended during card
      detection
    - memstick: rtsx_usb_ms: Use ms_dev() helper
    - memstick: rtsx_usb_ms: Support runtime power management
  * Support non-strict iommu mode on arm64 (LP: #1806488)
    - iommu/io-pgtable-arm: Fix race handling in split_blk_unmap()
    - iommu/arm-smmu-v3: Implement flush_iotlb_all hook
    - iommu/dma: Add support for non-strict mode
    - iommu: Add "iommu.strict" command line option
    - iommu/io-pgtable-arm: Add support for non-strict mode
    - iommu/arm-smmu-v3: Add support for non-strict mode
    - iommu/io-pgtable-arm-v7s: Add support for non-strict mode
    - iommu/arm-smmu: Support non-strict mode
  * [Regression] crashkernel fails on HiSilicon D05 (LP: #1806766)
    - efi: honour memory reservations passed via a linux specific config table
    - efi/arm: libstub: add a root memreserve config table
    - efi: add API to reserve memory persistently across kexec reboot
    - irqchip/gic-v3-its: Change initialization ordering for LPIs
    - irqchip/gic-v3-its: Simplify LPI_PENDBASE_SZ usage
    - irqchip/gic-v3-its: Split property table clearing from allocation
    - irqchip/gic-v3-its: Move pending table allocation to init time
    - irqchip/gic-v3-its: Keep track of property table's PA and VA
    - irqchip/gic-v3-its: Allow use of pre-programmed LPI tables
    - irqchip/gic-v3-its: Use pre-programmed redistributor tables with kdump
      kernels
    - irqchip/gic-v3-its: Check that all RDs have the same property table
    - irqchip/gic-v3-its: Register LPI tables with EFI config table
    - irqchip/gic-v3-its: Allow use of LPI tables in reserved memory
    - arm64: memblock: don't permit memblock resizing until linear mapping is up
    - efi/arm: Defer persistent reservations until after paging_init()
    - efi: Permit calling efi_mem_reserve_persistent() from atomic context
    - efi: Prevent GICv3 WARN() by mapping the memreserve table before first use
  * ELAN900C:00 04F3:2844 tou...

All tasks have been completed and the bug is being set to Fix Released