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[Bug 1294253] Re: hyper-v: Enabling dynamic memory on Hyper-V may lead to persistent load value of 1

 

This bug was fixed in the package linux - 3.13.0-19.39

---------------
linux (3.13.0-19.39) trusty; urgency=low

  [ Tim Gardner ]

  * Release Tracking Bug
    - LP: #1295462

  [ Andy Whitcroft ]

  * ubuntu: aufs3 -- update update scripting
  * ubuntu: AUFS -- update to 75dbb997b5812e16771bec20e92449ba0b1705d9

  [ Anup Patel ]

  * SAUCE: (no-up) KVM: Documentation: Fix typo for KVM_ARM_VCPU_INIT ioctl
  * SAUCE: (no-up) arm64: KVM: Force undefined exception for Guest SMC
    intructions

  [ dann frazier ]

  * SAUCE: (no-up) Fix pcie-xgene build failure

  [ Emmanuel Grumbach ]

  * SAUCE: iwlwifi: mvm: send udev event upon firmware error to dump
logs

  [ Feng Kan ]

  * SAUCE: (no-up) power: reset: Add generic SYSCON register mapped reset
    - LP: #1284433
  * SAUCE: (no-up) arm64: dts: Add X-Gene reboot driver dts node
    - LP: #1284433

  [ Hans de Goede ]

  * SAUCE: (no-up) libahci: Allow drivers to override start_engine
    - LP: #1282920
  * SAUCE: (no-up) ahci-platform: Add support for devices with more then 1
    clock
    - LP: #1282920
  * SAUCE: (no-up) ahci-platform: Add support for an optional regulator for
    sata-target power
    - LP: #1282920
  * SAUCE: (no-up) ahci-platform: Add enable_ / disable_resources helper
    functions
    - LP: #1282920
  * SAUCE: (no-up) ahci-platform: "Library-ise" ahci_probe functionality
    - LP: #1282920
  * SAUCE: (no-up) ahci-platform: "Library-ise" suspend / resume
    functionality
    - LP: #1282920

  [ Iyappan Subramanian ]

  * SAUCE: (no-up) Documentation: APM X-Gene SoC Ethernet DTS binding
    documentation
  * SAUCE: (no-up) arm64: dts: APM X-Gene SoC Ethernet device tree nodes
  * SAUCE: (no-up) drivers: net: APM X-Gene SoC Ethernet base driver
  * SAUCE: (no-up) drivers: net: APM X-Gene SoC Ethernet driver error
    handling
  * SAUCE: (no-up) drivers: net: APM X-Gene SoC Ethernet driver ethtool
    support

  [ Loc Ho ]

  * SAUCE: (no-up) Documentation: Add APM X-Gene SoC 15Gbps Multi-purpose
    PHY driver binding documentation
    - LP: #1282920
  * SAUCE: (no-up) PHY: add APM X-Gene SoC 15Gbps Multi-purpose PHY driver
    - LP: #1282920
  * SAUCE: (no-up) arm64: Add APM X-Gene SoC 15Gbps Multi-purpose PHY DTS
    entries
    - LP: #1282920
  * SAUCE: (no-up) Documentation: Add documentation for the APM X-Gene SoC
    SATA host controller DTS binding
  * SAUCE: (no-up) ata: Add APM X-Gene SoC AHCI SATA host controller driver
  * SAUCE: (no-up) ata: Fix compiler warning with APM X-Gene host
    controller driver
  * SAUCE: (no-up) arm64: Add APM X-Gene SoC AHCI SATA host controller DTS
    entries
  * SAUCE: (no-up) clk: arm64: Fix the clock-names property for pcppll,
    socpll, and socplldiv2

  [ Marc Zyngier ]

  * SAUCE: (no-up) arm64: KVM: force cache clean on page fault when caches
    are off
  * SAUCE: (no-up) arm64: KVM: allows discrimination of AArch32 sysreg
    access
  * SAUCE: (no-up) arm64: KVM: trap VM system registers until MMU and
    caches are ON
  * SAUCE: (no-up) ARM: KVM: introduce kvm_p*d_addr_end
  * SAUCE: (no-up) arm64: KVM: flush VM pages before letting the guest
    enable caches
  * SAUCE: (no-up) ARM: KVM: force cache clean on page fault when caches
    are off

  [ Ming Lei ]

  * SAUCE: (no-up) arm64: apm-storm: support ttyS1
  * SAUCE: (no-up) apm: pcie: fix hang when no card connected

  [ Paolo Pisati ]

  * [Config] armhf: generic: disable CPU_IDLE
  * [Config] armhf: CPU_FREQ=y
  * [Config] armhf: TI_THERMAL=y

  [ Rameshwar Prasad Sahu ]

  * SAUCE: (no-up) rtc: Add X-Gene SoC Real Time Clock Driver

  [ Ravi Patel ]

  * SAUCE: (no-up) Documentation: misc-devices: APM X-Gene SoC QMTM
  * SAUCE: (no-up) Documentation: devicetree: bindings for APM X-Gene SoC
    QMTM
  * SAUCE: (no-up) misc: xgene: base driver for APM X-Gene SoC QMTM
  * SAUCE: (no-up) arm64: boot: dts: entries for APM X-Gene SoC QMTM
  * SAUCE: (no-up) misc: xgene: error handling for APM X-Gene SoC QMTM

  [ Roger Quadros ]

  * SAUCE: (no-up) ata: ahci_platform: Manage SATA PHY
    - LP: #1282920
  * SAUCE: (no-up) ata: ahci_platform: runtime resume the device before use
    - LP: #1282920

  [ Seth Forshee ]

  * SAUCE: iwlwifi: mvm: Free sram dump immediately after using it
  * SAUCE: iwlwifi: mvm: Only notify userspace of fw error dump when one is
    created
  * SAUCE: iwlwifi: mvm: Don't create fw error dump if there's nothing to
    dump

  [ Tanmay Inamdar ]

  * SAUCE: (no-up) arm64: PCI(e) arch support
  * SAUCE: (no-up) pci: APM X-Gene PCIe controller driver
  * SAUCE: (no-up) arm64: dts: APM X-Gene PCIe device tree nodes
  * SAUCE: (no-up) dt-bindings: pci: xgene pcie device tree bindings
  * SAUCE: (no-up) MAINTAINERS: entry for APM X-Gene PCIe host driver

  [ Tim Gardner ]

  * [Config] CONFIG_POWER_RESET_SYSCON=y for arm64
  * SAUCE: (no-up) Restrict CONFIG_POWER_RESET_SYSCON to arm64 only
  * SAUCE: iwlwifi: Fix FTBS for armhf
  * [Config] CONFIG_PHY_XGENE=m for arm64
  * [Config] CONFIG_AHCI_XGENE=m for arm64
  * [Config] CONFIG_NET_XGENE=m for arm64
  * [Config] CONFIG_RTC_DRV_XGENE=m for arm64
  * SAUCE: (no-up) Add drivers/phy/phy-core.ko to generic inclusion list
  * [Config] Enable PCI for arm64
  * SAUCE: arm64: export __cpu_clear_user_page for modules
  * SAUCE: ARCH_HAS_DMA_GET_REQUIRED_MASK=n for arm64
  * [Config] CONFIG_PCI_XGENE=y
  * [Config] CONFIG_PHY_XGENE=y for arm64
  * [Config] CONFIG_RTC_DRV_XGENE=y for arm64
  * d-i: Add ahxi_xgene and xgene-enet

  [ Upstream Kernel Changes ]

  * Staging: rtl8821ae: rc.c: fix up function prototypes
  * Staging: rtl8821ae: removed unused functions and variables
  * Staging: rtl8821ae: add TODO file
  * Staging: rtl8812ae: disable due to build errors
  * staging: r8821ae: Fix build problems
  * staging: r8821ae: Enable build by reverting BROKEN marking
  * staging: rtl8821ae: Fixed the size of array to macro as discussed by
    Linus
  * staging/rtl8821ae: fix build, depends on MAC80211
  * powerpc: Reclaim two unused thread_info flag bits
  * powerpc: Don't corrupt transactional state when using FP/VMX in kernel
  * powerpc: Fix transactional FP/VMX/VSX unavailable handlers
  * Drivers: hv: Ballon: Make pressure posting thread sleep interruptibly
    - LP: #1294253
  * mac80211: don't validate unchanged AP bandwidth while tracking
    - LP: #1294558
  * phy-core: Don't propagate -ENOSUPP from phy_pm_runtime_get_sync to
    caller
  * CONFIG_XGENE_QMTM=m for arm64
 -- Tim Gardner <tim.gardner@xxxxxxxxxxxxx>   Thu, 20 Mar 2014 21:51:11 -0400

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

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https://bugs.launchpad.net/bugs/1294253

Title:
  hyper-v: Enabling dynamic memory on Hyper-V may lead to persistent
  load value of 1

Status in “linux” package in Ubuntu:
  Fix Released

Bug description:
  It appears that if you enable dynamic memory on Hyper-V, and then run
  the top command then load metrics may always show 1 for the 1 minute
  average (See attached image). This is because the ballooning mechanism
  sleeps in uninterruptible mode which adds to the system load metric.
  Please use the following upstream patch to eliminate this problem:

  Drivers: hv: Ballon: Make pressure posting thread sleep interruptibly

  http://git.kernel.org/cgit/linux/kernel/git/next/linux-
  next.git/commit/drivers/hv/hv_balloon.c?id=5dba4c56dfa660a85dc8e897990948cdec3734bf

  Regards,
  Abhishek

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