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[Launchpad Bug Tracker <1304001@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 3.13.0-40.69

---------------
linux (3.13.0-40.69) trusty; urgency=low

  [ Luis Henriques ]

  * Release Tracking Bug
    - re-used previous tracking bug

  [ Upstream Kernel Changes ]

  * regmap: fix kernel hang on regmap_bulk_write with zero val_count.

linux (3.13.0-40.68) trusty; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
    - LP: #1388943
  * SAUCE: DEP8 test to run our regression tests
    - LP: #1385330
  * SAUCE: The very first thing we should do when testing is make sure we
    are testing the correct kernel
    - LP: #1385330

  [ dann frazier ]

  * [Config] Disable CONFIG_IPMI_SI_PROBE_DEFAULTS on armhf and arm64
    - LP: #1388952

  [ Duc Dang ]

  * SAUCE: (no-up) [PCIE] APM X-Gene: Remove debug messages in MSI
    interrupt handler path.
    - LP: #1382244
  * SAUCE: (no-up) PCI: X-Gene: Fix max payload size and phantom function
    configuration
    - LP: #1386261

  [ McAulay, Alistair ]

  * SAUCE: drm/i915: Rework GPU reset sequence to match driver load & thaw
    - LP: #1384469

  [ Timo Aaltonen ]

  * SAUCE: i915_bdw: Fix cherry-pick typo
    - LP: #1384469

  [ Upstream Kernel Changes ]

  * Revert "mac80211: disable uAPSD if all ACs are under ACM"
    - LP: #1381234
  * Revert "iwlwifi: dvm: don't enable CTS to self"
    - LP: #1381234
  * Revert "lzo: properly check for overruns"
    - LP: #1387886
  * drm/i915: provide interface for audio driver to query cdclk
    - LP: #1381168
  * regulatory: add NUL to alpha2
    - LP: #1381234
  * percpu: fix pcpu_alloc_pages() failure path
    - LP: #1381234
  * percpu: perform tlb flush after pcpu_map_pages() failure
    - LP: #1381234
  * cgroup: reject cgroup names with '\n'
    - LP: #1381234
  * vfs: add d_is_dir()
    - LP: #1381234
  * CIFS: Fix directory rename error
    - LP: #1381234
  * usb: phy: twl4030-usb: Fix lost interrupts after ID pin goes down
    - LP: #1381234
  * rtlwifi: rtl8192cu: Add new ID
    - LP: #1381234
  * CIFS: Fix wrong restart readdir for SMB1
    - LP: #1381234
  * CIFS: Fix wrong filename length for SMB2
    - LP: #1381234
  * ahci: Add Device IDs for Intel 9 Series PCH
    - LP: #1381234
  * ata_piix: Add Device IDs for Intel 9 Series PCH
    - LP: #1381234
  * USB: zte_ev: fix removed PIDs
    - LP: #1381234
  * USB: ftdi_sio: add support for NOVITUS Bono E thermal printer
    - LP: #1381234
  * USB: sierra: avoid CDC class functions on "68A3" devices
    - LP: #1381234
  * USB: sierra: add 1199:68AA device ID
    - LP: #1381234
  * iommu/arm-smmu: fix programming of SMMU_CBn_TCR for stage 1
    - LP: #1381234
  * iommu/arm-smmu: remove pgtable_page_{c,d}tor()
    - LP: #1381234
  * usb: gadget: fusb300_udc.h: Fix typo in include guard
    - LP: #1381234
  * usb: phy: tegra: Avoid use of sizeof(void)
    - LP: #1381234
  * arm64: use irq_set_affinity with force=false when migrating irqs
    - LP: #1381234
  * block: Fix dev_t minor allocation lifetime
    - LP: #1381234
  * usb: dwc3: core: fix order of PM runtime calls
    - LP: #1381234
  * usb: dwc3: core: fix ordering for PHY suspend
    - LP: #1381234
  * usb: dwc3: omap: fix ordering for runtime pm calls
    - LP: #1381234
  * iommu/fsl: Fix warning resulting from adding PCI device twice
    - LP: #1381234
  * ahci: add pcid for Marvel 0x9182 controller
    - LP: #1381234
  * drm/i915: Fix EIO/wedged handling in gem fault handler
    - LP: #1381234
  * ACPI / RTC: Fix CMOS RTC opregion handler accesses to wrong addresses
    - LP: #1381234
  * drm/i915: Evict CS TLBs between batches
    - LP: #1381234
  * drm/i915: Wait for vblank before enabling the TV encoder
    - LP: #1381234
  * lockd: fix rpcbind crash on lockd startup failure
    - LP: #1381234
  * drm/radeon: fix semaphore value init
    - LP: #1381234
  * drm/radeon: add connector quirk for fujitsu board
    - LP: #1381234
  * imx-drm: ipuv3-plane: fix ipu_plane_dpms()
    - LP: #1381234
  * usb: host: xhci: fix compliance mode workaround
    - LP: #1381234
  * Input: elantech - fix detection of touchpad on ASUS s301l
    - LP: #1381234
  * USB: ftdi_sio: Add support for GE Healthcare Nemo Tracker device
    - LP: #1381234
  * uwb: init beacon cache entry before registering uwb device
    - LP: #1381234
  * nfs: fix kernel warning when removing proc entry
    - LP: #1381234
  * drm/radeon/dpm: set the thermal type properly for special configs
    - LP: #1381234
  * dm cache: fix race causing dirty blocks to be marked as clean
    - LP: #1381234
  * libceph: gracefully handle large reply messages from the mon
    - LP: #1381234
  * Input: serport - add compat handling for SPIOCSTYPE ioctl
    - LP: #1381234
  * usb: hub: take hub->hdev reference when processing from eventlist
    - LP: #1381234
  * eventpoll: fix uninitialized variable in epoll_ctl
    - LP: #1381234
  * kcmp: fix standard comparison bug
    - LP: #1381234
  * fsnotify/fdinfo: use named constants instead of hardcoded values
    - LP: #1381234
  * fs/notify: don't show f_handle if exportfs_encode_inode_fh failed
    - LP: #1381234
  * arm64: flush TLS registers during exec
    - LP: #1381234
  * storage: Add single-LUN quirk for Jaz USB Adapter
    - LP: #1381234
  * xhci: Fix null pointer dereference if xhci initialization fails
    - LP: #1381234
  * usb: xhci: Fix OOPS in xhci error handling code
    - LP: #1381234
  * xhci: fix oops when xhci resumes from hibernate with hw lpm capable
    devices
    - LP: #1381234
  * drm/ast: open key before detect chips
    - LP: #1381234
  * drm/ast: AST2000 cannot be detected correctly
    - LP: #1381234
  * futex: Unlock hb->lock in futex_wait_requeue_pi() error path
    - LP: #1381234
  * jiffies: Fix timeval conversion to jiffies
    - LP: #1381234
  * alarmtimer: Return relative times in timer_gettime
    - LP: #1381234
  * alarmtimer: Do not signal SIGEV_NONE timers
    - LP: #1381234
  * alarmtimer: Lock k_itimer during timer callback
    - LP: #1381234
  * parisc: Implement new LWS CAS supporting 64 bit operations.
    - LP: #1381234
  * don't bugger nd->seq on set_root_rcu() from follow_dotdot_rcu()
    - LP: #1381234
  * be careful with nd->inode in path_init() and follow_dotdot_rcu()
    - LP: #1381234
  * iio:inkern: fix overwritten -EPROBE_DEFER in of_iio_channel_get_by_name
    - LP: #1381234
  * iio:trigger: modify return value for iio_trigger_get
    - LP: #1381234
  * iio: accel: bma180: Fix indio_dev->trig assignment
    - LP: #1381234
  * iio: adc: ad_sigma_delta: Fix indio_dev->trig assignment
    - LP: #1381234
  * iio: hid_sensor_hub: Fix indio_dev->trig assignment
    - LP: #1381234
  * iio: st_sensors: Fix indio_dev->trig assignment
    - LP: #1381234
  * iio: gyro: itg3200: Fix indio_dev->trig assignment
    - LP: #1381234
  * iio: inv_mpu6050: Fix indio_dev->trig assignment
    - LP: #1381234
  * iio: meter: ade7758: Fix indio_dev->trig assignment
    - LP: #1381234
  * MIPS: ZBOOT: add missing <linux/string.h> include
    - LP: #1381234
  * spi: fsl: Don't use devm_kzalloc in master->setup callback
    - LP: #1381234
  * spi: dw: Don't use devm_kzalloc in master->setup callback
    - LP: #1381234
  * ARM: 8133/1: use irq_set_affinity with force=false when migrating irqs
    - LP: #1381234
  * cx18: fix kernel oops with tda8290 tuner
    - LP: #1381234
  * ASoC: davinci-mcasp: Correct rx format unit configuration
    - LP: #1381234
  * spi: sirf: enable RX_IO_DMA_INT interrupt
    - LP: #1381234
  * perf: Fix a race condition in perf_remove_from_context()
    - LP: #1381234
  * ASoC: samsung-i2s: Maintain CDCLK settings across
    i2s_{shutdown/startup}
    - LP: #1381234
  * ASoC: samsung-i2s: Check secondary DAI exists before referencing
    - LP: #1381234
  * ALSA: hda - Fix invalid pin powermap without jack detection
    - LP: #1381234
  * Input: atkbd - do not try 'deactivate' keyboard on any LG laptops
    - LP: #1381234
  * Input: i8042 - add Fujitsu U574 to no_timeout dmi table
    - LP: #1381234
  * Input: i8042 - add nomux quirk for Avatar AVIU-145A6
    - LP: #1381234
  * iio: adc: at91: don't use the last converted data register
    - LP: #1381234
  * iio:magnetometer: bugfix magnetometers gain values
    - LP: #1381234
  * drm/i915: Fix SRC_COPY width on 830/845g
    - LP: #1381234
  * Target/iser: Get isert_conn reference once got to connected_handler
    - LP: #1381234
  * Target/iser: Don't put isert_conn inside disconnected handler
    - LP: #1381234
  * ARM: 8148/1: flush TLS and thumbee register state during exec
    - LP: #1381234
  * x86, ia64: Move EFI_FB vga_default_device() initialization to
    pci_vga_fixup()
    - LP: #1381234
  * vgaarb: Don't default exclusively to first video device with mem+io
    - LP: #1381234
  * iscsi-target: Fix memory corruption in
    iscsit_logout_post_handler_diffcid
    - LP: #1381234
  * iscsi-target: avoid NULL pointer in iscsi_copy_param_list failure
    - LP: #1381234
  * NFSv4: nfs4_state_manager() vs. nfs_server_remove_lists()
    - LP: #1381234
  * NFSv4: Fix another bug in the close/open_downgrade code
    - LP: #1381234
  * drm/radeon: don't reset dma on NI/SI init
    - LP: #1381234
  * drm/radeon: don't reset sdma on CIK init
    - LP: #1381234
  * drm/radeon: don't reset dma on r6xx-evergreen init
    - LP: #1381234
  * vgaswitcheroo: add vga_switcheroo_fini_domain_pm_ops
    - LP: #1381234
  * drm/radeon/px: fix module unload
    - LP: #1381234
  * drm/nouveau/runpm: fix module unload
    - LP: #1381234
  * libiscsi: fix potential buffer overrun in __iscsi_conn_send_pdu
    - LP: #1381234
  * USB: EHCI: unlink QHs even after the controller has stopped
    - LP: #1381234
  * USB: storage: Add quirk for Adaptec USBConnect 2000 USB-to-SCSI Adapter
    - LP: #1381234
  * USB: storage: Add quirk for Ariston Technologies iConnect USB to SCSI
    adapter
    - LP: #1381234
  * USB: storage: Add quirks for Entrega/Xircom USB to SCSI converters
    - LP: #1381234
  * drm/nouveau: ltc/gf100-: fix cbc issues on certain boards
    - LP: #1381234
  * iwlwifi: increase DEFAULT_MAX_TX_POWER
    - LP: #1381234
  * iwlwifi: mvm: treat EAPOLs like mgmt frames wrt rate
    - LP: #1381234
  * workqueue: apply __WQ_ORDERED to create_singlethread_workqueue()
    - LP: #1381234
  * can: flexcan: mark TX mailbox as TX_INACTIVE
    - LP: #1381234
  * can: flexcan: correctly initialize mailboxes
    - LP: #1381234
  * can: flexcan: implement workaround for errata ERR005829
    - LP: #1381234
  * can: flexcan: put TX mailbox into TX_INACTIVE mode after tx-complete
    - LP: #1381234
  * can: at91_can: add missing prepare and unprepare of the clock
    - LP: #1381234
  * IB/qib: Correct reference counting in debugfs qp_stats
    - LP: #1381234
  * videobuf2-dma-sg: fix for wrong GFP mask to sg_alloc_table_from_pages
    - LP: #1381234
  * vb2: fix plane index sanity check in vb2_plane_cookie()
    - LP: #1381234
  * adv7604: fix inverted condition
    - LP: #1381234
  * md/raid1: intialise start_next_window for READ case to avoid hang
    - LP: #1381234
  * md/raid1: be more cautious where we read-balance during resync.
    - LP: #1381234
  * md/raid1: clean up request counts properly in close_sync()
    - LP: #1381234
  * md/raid1: make sure resync waits for conflicting writes to complete.
    - LP: #1381234
  * md/raid1: Don't use next_resync to determine how far resync has
    progressed
    - LP: #1381234
  * md/raid1: update next_resync under resync_lock.
    - LP: #1381234
  * md/raid1: count resync requests in nr_pending.
    - LP: #1381234
  * md/raid1: fix_read_error should act on all non-faulty devices.
    - LP: #1381234
  * ALSA: pcm: fix fifo_size frame calculation
    - LP: #1381234
  * Fix nasty 32-bit overflow bug in buffer i/o code.
    - LP: #1381234
  * drm/radeon/cik: use a separate counter for CP init timeout
    - LP: #1381234
  * parisc: Only use -mfast-indirect-calls option for 32-bit kernel builds
    - LP: #1381234
  * sched: Fix unreleased llc_shared_mask bit during CPU hotplug
    - LP: #1381234
  * MIPS: mcount: Adjust stack pointer for static trace in MIPS32
    - LP: #1381234
  * nilfs2: fix data loss with mmap()
    - LP: #1381234
  * ocfs2/dlm: do not get resource spinlock if lockres is new
    - LP: #1381234
  * mm, slab: initialize object alignment on cache creation
    - LP: #1381234
  * mm: softdirty: keep bit when zapping file pte
    - LP: #1381234
  * shmem: fix nlink for rename overwrite directory
    - LP: #1381234
  * ARM: 8165/1: alignment: don't break misaligned NEON load/store
    - LP: #1381234
  * ASoC: core: fix possible ZERO_SIZE_PTR pointer dereferencing error.
    - LP: #1381234
  * cpufreq: integrator: fix integrator_cpufreq_remove return type
    - LP: #1381234
  * drm/i915: Flush the PTEs after updating them before suspend
    - LP: #1381234
  * ARM: 8178/1: fix set_tls for !CONFIG_KUSER_HELPERS
    - LP: #1381234
  * md/raid5: disable 'DISCARD' by default due to safety concerns.
    - LP: #1381234
  * mm: migrate: Close race between migration completion and mprotect
    - LP: #1381234
  * mm: numa: Do not mark PTEs pte_numa when splitting huge pages
    - LP: #1381234
  * Fix problem recognizing symlinks
    - LP: #1381234
  * mm: memcontrol: do not iterate uninitialized memcgs
    - LP: #1381234
  * perf: fix perf bug in fork()
    - LP: #1381234
  * mm: page_alloc: fix zone allocation fairness on UP
    - LP: #1381234
  * init/Kconfig: Hide printk log config if CONFIG_PRINTK=n
    - LP: #1381234
  * init/Kconfig: Fix HAVE_FUTEX_CMPXCHG to not break up the EXPERT menu
    - LP: #1381234
  * genhd: fix leftover might_sleep() in blk_free_devt()
    - LP: #1381234
  * Linux 3.13.11.9
    - LP: #1381234
  * NVMe: Initialize device reference count earlier
    - LP: #1382221
  * nfs: fix duplicate proc entries
    - LP: #1376245
  * xfs: xfs_dir2_block_to_sf temp buffer allocation fails
    - LP: #1382333
  * UPSTREAM: kernel: Mark function as static in kernel/seccomp.c
    - LP: #1379020
  * ARM: 8087/1: ptrace: reload syscall number after secure_computing()
    check
    - LP: #1379020
  * seccomp: create internal mode-setting function
    - LP: #1379020
  * seccomp: extract check/assign mode helpers
    - LP: #1379020
  * seccomp: split mode setting routines
    - LP: #1379020
  * seccomp: add "seccomp" syscall
    - LP: #1379020
  * ARM: add seccomp syscall
    - LP: #1379020
  * MIPS: add seccomp syscall
    - LP: #1379020
  * sched: move no_new_privs into new atomic flags
    - LP: #1379020
  * seccomp: split filter prep from check and apply
    - LP: #1379020
  * seccomp: introduce writer locking
    - LP: #1379020
  * seccomp: allow mode setting across threads
    - LP: #1379020
  * seccomp: implement SECCOMP_FILTER_FLAG_TSYNC
    - LP: #1379020
  * seccomp: Replace BUG(!spin_is_locked()) with assert_spin_lock
    - LP: #1379020
  * fs: Add a missing permission check to do_umount
    - LP: #1383358
    - CVE-2014-7975
  * mfd: rtsx_pcr: Fix MSI enable error handling
    - LP: #1366841
  * xen/balloon: Don't continue ballooning when BP_ECANCELED is encountered
    - LP: #1304001
  * Bluetooth: Fix HCI H5 corrupted ack value
    - LP: #1387886
  * dmaengine: fix xor sources continuation
    - LP: #1387886
  * siano: add support for PCTV 77e
    - LP: #1387886
  * em28xx-v4l: give back all active video buffers to the vb2 core properly
    on streaming stop
    - LP: #1387886
  * em28xx-v4l: fix video buffer field order reporting in progressive mode
    - LP: #1387886
  * crypto: caam - fix addressing of struct member
    - LP: #1387886
  * x86, fpu: shift drop_init_fpu() from save_xstate_sig() to
    handle_signal()
    - LP: #1387886
  * x86, fpu: __restore_xstate_sig()->math_state_restore() needs
    preempt_disable()
    - LP: #1387886
  * KVM: do not bias the generation number in kvm_current_mmio_generation
    - LP: #1387886
  * kvm: fix potentially corrupt mmio cache
    - LP: #1387886
  * kvm: x86: fix stale mmio cache bug
    - LP: #1387886
  * UBIFS: fix free log space calculation
    - LP: #1387886
  * Bluetooth: Fix issue with USB suspend in btusb driver
    - LP: #1387886
  * mmc: rtsx_pci_sdmmc: fix incorrect last byte in R2 response
    - LP: #1387886
  * KVM: s390: unintended fallthrough for external call
    - LP: #1387886
  * UBI: add missing kmem_cache_free() in process_pool_aeb error path
    - LP: #1387886
  * PCI: Increase IBM ipr SAS Crocodile BARs to at least system page size
    - LP: #1387886
  * drbd: compute the end before rb_insert_augmented()
    - LP: #1387886
  * Bluetooth: Fix setting correct security level when initiating SMP
    - LP: #1387886
  * mmc: tmio: prevent endless loop in tmio_mmc_set_clock()
    - LP: #1387886
  * iwlwifi: Add missing PCI IDs for the 7260 series
    - LP: #1387886
  * media: usb: uvc: add a quirk for Dell XPS M1330 webcam
    - LP: #1387886
  * USB: serial: cp210x: added Ketra N1 wireless interface support
    - LP: #1387886
  * USB: cp210x: add support for Seluxit USB dongle
    - LP: #1387886
  * PCI: Generate uppercase hex for modalias interface class
    - LP: #1387886
  * PCI: mvebu: Fix uninitialized variable in mvebu_get_tgt_attr()
    - LP: #1387886
  * xfs: ensure WB_SYNC_ALL writeback handles partial pages correctly
    - LP: #1387886
  * v4l2-common: fix overflow in v4l_bound_align_image()
    - LP: #1387886
  * USB: Add device quirk for ASUS T100 Base Station keyboard
    - LP: #1387886
  * mei: bus: fix possible boundaries violation
    - LP: #1387886
  * firmware_class: make sure fw requests contain a name
    - LP: #1387886
  * Drivers: hv: vmbus: Cleanup vmbus_post_msg()
    - LP: #1387886
  * Drivers: hv: vmbus: Cleanup vmbus_teardown_gpadl()
    - LP: #1387886
  * Drivers: hv: vmbus: Cleanup vmbus_establish_gpadl()
    - LP: #1387886
  * Drivers: hv: vmbus: Fix a bug in vmbus_open()
    - LP: #1387886
  * Drivers: hv: vmbus: Cleanup vmbus_close_internal()
    - LP: #1387886
  * Drivers: hv: vmbus: Cleanup hv_post_message()
    - LP: #1387886
  * spi: dw-mid: respect 8 bit mode
    - LP: #1387886
  * spi: dw-mid: terminate ongoing transfers at exit
    - LP: #1387886
  * kvm: don't take vcpu mutex for obviously invalid vcpu ioctls
    - LP: #1387886
  * x86/intel/quark: Switch off CR4.PGE so TLB flush uses CR3 instead
    - LP: #1387886
  * ARM: at91: fix at91sam9263ek DT mmc pinmuxing settings
    - LP: #1387886
  * ARM: at91/PMC: don't forget to write PMC_PCDR register to disable
    clocks
    - LP: #1387886
  * Fixing lease renewal
    - LP: #1387886
  * lockd: Try to reconnect if statd has moved
    - LP: #1387886
  * qla2xxx: Use correct offset to req-q-out for reserve calculation
    - LP: #1387886
  * power: charger-manager: Fix NULL pointer exception with missing
    cm-fuel-gauge
    - LP: #1387886
  * rt2800: correct BBP1_TX_POWER_CTRL mask
    - LP: #1387886
  * regmap: fix NULL pointer dereference in _regmap_write/read
    - LP: #1387886
  * Documentation: lzo: document part of the encoding
    - LP: #1387886
  * lzo: check for length overrun in variable length encoding.
    - LP: #1387886
  * regmap: debugfs: fix possbile NULL pointer dereference
    - LP: #1387886
  * regmap: fix possible ZERO_SIZE_PTR pointer dereferencing error.
    - LP: #1387886
  * net_dma: simple removal
    - LP: #1387886
  * libata-sff: Fix controllers with no ctl port
    - LP: #1387886
  * NFSv4: Fix lock recovery when CREATE_SESSION/SETCLIENTID_CONFIRM fails
    - LP: #1387886
  * NFSv4: fix open/lock state recovery error handling
    - LP: #1387886
  * tty: omap-serial: fix division by zero
    - LP: #1387886
  * serial: 8250: Add Quark X1000 to 8250_pci.c
    - LP: #1387886
  * missing data dependency barrier in prepend_name()
    - LP: #1387886
  * be2iscsi: check ip buffer before copying
    - LP: #1387886
  * framebuffer: fix border color
    - LP: #1387886
  * framebuffer: fix screen corruption when copying
    - LP: #1387886
  * mpc85xx_edac: Make L2 interrupt shared too
    - LP: #1387886
  * NFSv4.1: Fix an NFSv4.1 state renewal regression
    - LP: #1387886
  * xen-blkback: fix leak on grant map error path
    - LP: #1387886
  * m68k: Disable/restore interrupts in hwreg_present()/hwreg_write()
    - LP: #1387886
  * ASoC: tlv320aic3x: fix PLL D configuration
    - LP: #1387886
  * dm bufio: update last_accessed when relinking a buffer
    - LP: #1387886
  * dm bufio: when done scanning return from __scan immediately
    - LP: #1387886
  * dm log userspace: fix memory leak in dm_ulog_tfr_init failure path
    - LP: #1387886
  * ecryptfs: avoid to access NULL pointer when write metadata in xattr
    - LP: #1387886
  * x86_64, entry: Filter RFLAGS.NT on entry from userspace
    - LP: #1387886
  * ASoC: soc-dapm: fix use after free
    - LP: #1387886
  * pata_serverworks: disable 64-KB DMA transfers on Broadcom OSB4 IDE
    Controller
    - LP: #1387886
  * drm/ast: Fix HW cursor image
    - LP: #1387886
  * x86: Reject x32 executables if x32 ABI not supported
    - LP: #1387886
  * kill wbuf_queued/wbuf_dwork_lock
    - LP: #1387886
  * fs: Fix theoretical division by 0 in super_cache_scan().
    - LP: #1387886
  * fs: make cont_expand_zero interruptible
    - LP: #1387886
  * fix misuses of f_count() in ppp and netlink
    - LP: #1387886
  * block: fix alignment_offset math that assumes io_min is a power-of-2
    - LP: #1387886
  * fanotify: enable close-on-exec on events' fd when requested in
    fanotify_init()
    - LP: #1387886
  * mm: clear __GFP_FS when PF_MEMALLOC_NOIO is set
    - LP: #1387886
  * Input: i8042 - add noloop quirk for Asus X750LN
    - LP: #1387886
  * um: ubd: Fix for processes stuck in D state forever
    - LP: #1387886
  * kernel: add support for gcc 5
    - LP: #1387886
  * ALSA: emu10k1: Fix deadlock in synth voice lookup
    - LP: #1387886
  * libceph: ceph-msgr workqueue needs a resque worker
    - LP: #1387886
  * mnt: Prevent pivot_root from creating a loop in the mount tree
    - LP: #1387886
  * modules, lock around setting of MODULE_STATE_UNFORMED
    - LP: #1387886
  * virtio_pci: fix virtio spec compliance on restore
    - LP: #1387886
  * selinux: fix inode security list corruption
    - LP: #1387886
  * pstore: Fix duplicate {console,ftrace}-efi entries
    - LP: #1387886
  * futex: Ensure get_futex_key_refs() always implies a barrier
    - LP: #1387886
  * x86,kvm,vmx: Preserve CR4 across VM entry
    - LP: #1387886
  * crypto: caam - remove duplicated sg copy functions
    - LP: #1387886
  * Linux 3.13.11.10
    - LP: #1387886
  * ipmi: Turn off default probing of interfaces
    - LP: #1388952
 -- Luis Henriques <luis.henriques@xxxxxxxxxxxxx>   Thu, 13 Nov 2014 17:13:01 +0000

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

-- 
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https://bugs.launchpad.net/bugs/1304001

Title:
   xen:balloon errors in 14.04 beta

Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Trusty:
  Fix Released
Status in “linux” source package in Utopic:
  Fix Released

Bug description:
  SRU Justification:
  [Impact]
  The following errors may occur on HVM instances on EC2: xen:balloon: reserve_additional_memory: add_memory() failed: -17

  [Test Case]
  Boot Ubuntu Trusty 3.13 series HVM instances and check dmesg for this error message.

  [Fix]
  A minimal fix for this bug can be found here:
  https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3dcf63677d4eb7fdfc13290c8558c301d2588fe8
  This allows the ballooning to be cancelled if adding new memory failed which means that the error message is printed once instead of repeatedly.

  There should still be effort to root cause this issue and determine
  how to avoid the ballooning errors in the first place. I still think
  this patch should be applied to alleviate symptoms until root cause is
  discovered.

  --

  Xen balloon errors on HVM instances on EC2 (Xen 4.2.amazon):

  ubuntu@ip-10-63-20-99:~$ uname -a
  Linux ip-10-63-20-99 3.13.0-23-generic #45-Ubuntu SMP Fri Apr 4 06:58:38 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
  ubuntu@ip-10-63-20-99:~$ dmesg  |grep xen
  [    0.000000] xen:events: Xen HVM callback vector for event delivery is enabled
  [    0.494613] xen:balloon: Initialising balloon driver
  [    0.496046] xen_balloon: Initialising balloon driver
  [    0.500077] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [    0.541047] Switched to clocksource xen
  [    0.562579] xen: --> pirq=16 -> irq=8 (gsi=8)
  [    0.562622] xen: --> pirq=17 -> irq=12 (gsi=12)
  [    0.562649] xen: --> pirq=18 -> irq=1 (gsi=1)
  [    0.562673] xen: --> pirq=19 -> irq=6 (gsi=6)
  [    0.562705] xen: --> pirq=20 -> irq=4 (gsi=4)
  [    0.920527] xen: --> pirq=21 -> irq=47 (gsi=47)
  [    0.920596] xen:grant_table: Grant tables using version 1 layout
  [    1.029661] xen_netfront: Initialising Xen virtual ethernet driver
  [    1.236083] xenbus_probe_frontend: Device with no driver: device/vfb/0
  [    2.516067] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [    6.533941] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [   14.560075] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [   30.592064] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [   62.688153] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [   94.752164] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  126.816161] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  158.880084] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  190.944069] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  223.008141] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  255.072112] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  287.136190] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  319.200053] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  351.264164] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  383.328080] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  415.392077] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  447.456112] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  479.520128] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  511.584110] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  543.648181] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  575.712070] xen:balloon: reserve_additional_memory: add_memory() failed: -17
  [  607.776178] xen:balloon: reserve_additional_memory: add_memory() failed: -17

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