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[Launchpad Bug Tracker <1567091@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 4.4.0-21.37

---------------
linux (4.4.0-21.37) xenial; urgency=low

  [ Tim Gardner ]

  * Release Tracking Bug
    - LP: #1571791

  * linux: MokSBState is ignored (LP: #1571691)
    - SAUCE: (noup) MODSIGN: Import certificates from UEFI Secure Boot
    - SAUCE: (noup) efi: Disable secure boot if shim is in insecure mode
    - SAUCE: (noup) Display MOKSBState when disabled

linux (4.4.0-20.36) xenial; urgency=low

  [ Tim Gardner ]

  * Release Tracking Bug
    - LP: #1571069

  * sysfs mount failure during stateful lxd snapshots (LP: #1570906)
    - SAUCE: kernfs: Do not match superblock in another user namespace when
      mounting

  * Kernel Panic in Ubuntu 16.04 netboot installer (LP: #1570441)
    - x86/topology: Fix logical package mapping
    - x86/topology: Fix Intel HT disable
    - x86/topology: Use total_cpus not nr_cpu_ids for logical packages
    - xen/apic: Provide Xen-specific version of cpu_present_to_apicid APIC op
    - x86/topology: Fix AMD core count

  * [regression]: Failed to call clock_adjtime(): Invalid argument
    (LP: #1566465)
    - ntp: Fix ADJ_SETOFFSET being used w/ ADJ_NANO

linux (4.4.0-19.35) xenial; urgency=low

  [ Tim Gardner ]

  * Release Tracking Bug
    - LP: #1570348

  * CVE-2016-2847 (LP: #1554260)
    - pipe: limit the per-user amount of pages allocated in pipes

  * xenial kernel crash on HP BL460c G7 (qla24xx problem?) (LP: #1554003)
    - SAUCE: (noup) qla2xxx: Add irq affinity notification V2

  * arm64: guest hangs when ntpd is running (LP: #1549494)
    - SAUCE: (noup) KVM: arm/arm64: Handle forward time correction gracefully

  * linux: Enforce signed module loading when UEFI secure boot (LP: #1566221)
    - [Config] CONFIG_EFI_SECURE_BOOT_SIG_ENFORCE=y

  * s390/cpumf: Fix lpp detection (LP: #1555344)
    - s390/facilities: use stfl mnemonic instead of insn magic
    - s390/facilities: always use lowcore's stfle field for storing facility bits
    - s390/cpumf: Fix lpp detection

  * s390x kernel image needs weightwatchers (LP: #1536245)
    - [Config] s390x: Use compressed kernel bzImage

  * Surelock GA2 SP1: surelock02p05: Not seeing sgX devices for LUNs after
    upgrading to Ubuntu 16.04 (LP: #1567581)
    - Revert "UBUNTU: SAUCE: (noup) powerpc/pci: Assign fixed PHB number based on
      device-tree properties"

  * Backport upstream bugfixes to ubuntu-16.04 (LP: #1555765)
    - cpufreq: powernv: Define per_cpu chip pointer to optimize hot-path
    - Revert "cpufreq: postfix policy directory with the first CPU in related_cpus"
    - cpufreq: powernv: Add sysfs attributes to show throttle stats

  * systemd-modules-load.service: Failing due to missing module 'ib_iser' (LP: #1566468)
    - [Config] Add ib_iser to generic inclusion list

  * thunderx nic performance improvements (LP: #1567093)
    - net: thunderx: Set recevie buffer page usage count in bulk
    - net: thunderx: Adjust nicvf structure to reduce cache misses

  * fixes for thunderx nic in multiqueue mode (LP: #1567091)
    - net: thunderx: Fix for multiqset not configured upon interface toggle
    - net: thunderx: Fix for HW TSO not enabled for secondary qsets
    - net: thunderx: Fix receive packet stats

  * Miscellaneous Ubuntu changes
    - [Config] updateconfigs after CONFIG_DRM_I915_BPO_PRELIMINARY_HW_SUPPORT=n

  * Miscellaneous upstream changes (LP: #1564901)
    - Input: xpad - correctly handle concurrent LED and FF requests

 -- Tim Gardner <tim.gardner@xxxxxxxxxxxxx>  Mon, 18 Apr 2016 07:00:22
-0600

** Changed in: linux (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-2847

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https://bugs.launchpad.net/bugs/1567091

Title:
  fixes for thunderx nic in multiqueue mode

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released

Bug description:
  There are a number of bug fixes in the thunderx nic driver for multi-
  queue support that have landed upstream since 4.4:

  commit 4fbe366ce304d836d53685c1dd26865dc1fea66c
  Merge: 1eea84b ad2eceb
  Author: David S. Miller <davem@xxxxxxxxxxxxx>
  Date:   Wed Feb 17 22:24:57 2016 -0500

      Merge branch 'thunderx-fixes'
      
      Sunil Goutham says:
      
      ====================
      net: thunderx: Miscellaneous fixes
      
      This patch series fixes couple of issues w.r.t multiqset mode
      and receive packet statastics.
      ====================
      
      Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>

  commit ad2ecebd67d8a80fe5412d11df375a5ed2db7cd1
  Author: Sunil Goutham <sgoutham@xxxxxxxxxx>
  Date:   Tue Feb 16 16:29:51 2016 +0530

      net: thunderx: Fix receive packet stats
      
      Counting rx packets for every CQE_RX in CQ irq handler is incorrect.
      Synchronization is missing when multiple queues are receiving packets
      simultaneously. Like transmit packet stats use HW stats here.
      
      Also removed unused 'cqe_type' parameter in nicvf_rcv_pkt_handler().
      
      Signed-off-by: Sunil Goutham <sgoutham@xxxxxxxxxx>
      Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>

  commit 8d210d54c5250c52b69266f299e64fe8356f9453
  Author: Sunil Goutham <sgoutham@xxxxxxxxxx>
  Date:   Tue Feb 16 16:29:50 2016 +0530

      net: thunderx: Fix for HW TSO not enabled for secondary qsets
      
      For secondary Qsets 'hw_tso' is not getting set as probe() returns
      much earlier. Fixed it by moving silicon revision check.
      
      Signed-off-by: Sunil Goutham <sgoutham@xxxxxxxxxx>
      Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>

  commit 6a9bab79bb79bd9b2eda16f0aba1b4c43f677be9
  Author: Sunil Goutham <sgoutham@xxxxxxxxxx>
  Date:   Tue Feb 16 16:29:49 2016 +0530

      net: thunderx: Fix for multiqset not configured upon interface toggle
      
      When a interface is assigned morethan 8 queues and the logical interface
      is toggled i.e down & up, additional queues or qsets are not initialized
      as secondary qset count is being set to zero while tearing down.
      
      Signed-off-by: Sunil Goutham <sgoutham@xxxxxxxxxx>
      Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>

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