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[Launchpad Bug Tracker <1304001@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 3.13.0-37.64

---------------
linux (3.13.0-37.64) trusty; urgency=low

  [ Joseph Salisbury ]

  * Release Tracking Bug
    - LP: #1372576

  [ dann frazier ]

  * [Config] CONFIG_HW_RANDOM_XGENE=m on arm64

  [ Edward Lin ]

  * SAUCE: Add use_native_backlight quirk for Dell Inspiron 5721/3521
    - LP: #1354253, #1354313

  [ Tim Gardner ]

  * SAUCE: Fix nfs oops stable regression
    - LP: #1348670
  * [Config] Add mpt3sas to d-i
    - LP: #1368907
  * [Config] CONFIG_X86_16BIT=y
    - LP: #1371601

  [ Timo Aaltonen ]

  * SAUCE: i915_bdw: Rebase to v3.15.8
    - LP: #1359213

  [ Upstream Kernel Changes ]

  * Revert "x86-64, modify_ldt: Make support for 16-bit segments a runtime
    option"
    - LP: #1371601
  * mmc: rtsx: add R1-no-CRC mmc command type handle
    - LP: #1365378
  * rpc_pipe: remove the clntXX dir if creating the pipe fails
    - LP: #1365869
  * sunrpc: add an "info" file for the dummy gssd pipe
    - LP: #1365869
  * rpc_pipe: fix cleanup of dummy gssd directory when notification fails
    - LP: #1365869
  * hwrng: xgene - add support for APM X-Gene SoC RNG support
    - LP: #1365593
  * Documentation: rng: Add X-Gene SoC RNG driver documentation
    - LP: #1365593
  * arm64: dts: add random number generator dts node to APM X-Gene
    platform.
    - LP: #1365593
  * xen/balloon: cancel ballooning if adding new memory failed
    - LP: #1304001
  * x86/xen: resume timer irqs early
    - LP: #1368724
  * xen/manage: Always freeze/thaw processes when suspend/resuming
    - LP: #1368724
  * scsi_transport_sas: move bsg destructor into sas_rphy_remove
    - LP: #1368991
  * drm/i915: Enable 5.4Ghz (HBR2) link rate for Displayport 1.2-capable
    devices
    - LP: #1369633
  * bnx2x: Fix link for KR with swapped polarity lane
    - LP: #1370716
  * drm: add DRM_CAPs for cursor size
    - LP: #1359213
  * drm/dp: Add AUX channel infrastructure
    - LP: #1359213
  * drm/dp: Add drm_dp_dpcd_read_link_status()
    - LP: #1359213
  * drm/dp: Add DisplayPort link helpers
    - LP: #1359213
  * drm/dp: Allow registering AUX channels as I2C busses
    - LP: #1359213
  * drm/dp: let drivers specify the name of the I2C-over-AUX adapter
    - LP: #1359213
  * drm/dp: make aux retries less chatty
    - LP: #1359213
  * Bluetooth: Enable Atheros 0cf3:311e for firmware upload
    - LP: #1371477
  * bnx2x: fix crash during TSO tunneling
    - LP: #1371601
  * inetpeer: get rid of ip_id_count
    - LP: #1371601
  * ip: make IP identifiers less predictable
    - LP: #1371601
  * tcp: Fix integer-overflows in TCP veno
    - LP: #1371601
  * tcp: Fix integer-overflow in TCP vegas
    - LP: #1371601
  * macvlan: Initialize vlan_features to turn on offload support.
    - LP: #1371601
  * net: Correctly set segment mac_len in skb_segment().
    - LP: #1371601
  * iovec: make sure the caller actually wants anything in
    memcpy_fromiovecend
    - LP: #1371601
  * batman-adv: Fix out-of-order fragmentation support
    - LP: #1371601
  * sctp: fix possible seqlock seadlock in sctp_packet_transmit()
    - LP: #1371601
  * sparc64: Fix argument sign extension for compat_sys_futex().
    - LP: #1371601
  * sparc64: Make itc_sync_lock raw
    - LP: #1371601
  * sparc64: Fix executable bit testing in set_pmd_at() paths.
    - LP: #1371601
  * sparc64: Fix huge PMD invalidation.
    - LP: #1371601
  * sparc64: Fix bugs in get_user_pages_fast() wrt. THP.
    - LP: #1371601
  * sparc64: Fix hex values in comment above pte_modify().
    - LP: #1371601
  * sparc64: Don't use _PAGE_PRESENT in pte_modify() mask.
    - LP: #1371601
  * sparc64: Handle 32-bit tasks properly in compute_effective_address().
    - LP: #1371601
  * sparc64: Fix top-level fault handling bugs.
    - LP: #1371601
  * sparc64: Fix range check in kern_addr_valid().
    - LP: #1371601
  * sparc64: Use 'ILOG2_4MB' instead of constant '22'.
    - LP: #1371601
  * sparc64: Add basic validations to {pud,pmd}_bad().
    - LP: #1371601
  * sparc64: Give more detailed information in {pgd,pmd}_ERROR() and kill
    pte_ERROR().
    - LP: #1371601
  * sparc64: Don't bark so loudly about 32-bit tasks generating 64-bit
    fault addresses.
    - LP: #1371601
  * sparc64: Fix huge TSB mapping on pre-UltraSPARC-III cpus.
    - LP: #1371601
  * sparc64: Add membar to Niagara2 memcpy code.
    - LP: #1371601
  * sparc64: Do not insert non-valid PTEs into the TSB hash table.
    - LP: #1371601
  * sparc64: Guard against flushing openfirmware mappings.
    - LP: #1371601
  * bbc-i2c: Fix BBC I2C envctrl on SunBlade 2000
    - LP: #1371601
  * sunsab: Fix detection of BREAK on sunsab serial console
    - LP: #1371601
  * sparc64: ldc_connect() should not return EINVAL when handshake is in
    progress.
    - LP: #1371601
  * arch/sparc/math-emu/math_32.c: drop stray break operator
    - LP: #1371601
  * x86-64, espfix: Don't leak bits 31:16 of %esp returning to 16-bit stack
    - LP: #1371601
  * x86, espfix: Move espfix definitions into a separate header file
    - LP: #1371601
  * x86, espfix: Fix broken header guard
    - LP: #1371601
  * x86, espfix: Make espfix64 a Kconfig option, fix UML
    - LP: #1371601
  * x86, espfix: Make it possible to disable 16-bit support
    - LP: #1371601
  * x86_64/entry/xen: Do not invoke espfix64 on Xen
    - LP: #1371601
  * ALSA: usb-audio: fix BOSS ME-25 MIDI regression
    - LP: #1371601
  * ASoC: wm8994: Prevent double lock of accdet_lock mutex on wm1811
    - LP: #1371601
  * v4l: vsp1: Remove the unneeded vsp1_video_buffer video field
    - LP: #1371601
  * ASoC: max98090: Fix missing free_irq
    - LP: #1371601
  * KVM: x86: Inter-privilege level ret emulation is not implemeneted
    - LP: #1371601
  * au0828: Only alt setting logic when needed
    - LP: #1371601
  * ASoC: pcm: fix dpcm_path_put in dpcm runtime update
    - LP: #1371601
  * crypto: ux500 - make interrupt mode plausible
    - LP: #1371601
  * Bluetooth: btmrvl: wait for HOST_SLEEP_ENABLE event in suspend
    - LP: #1371601
  * ASoC: adau1701: fix adau1701_reg_read()
    - LP: #1371601
  * ASoC: wm_adsp: Add missing MODULE_LICENSE
    - LP: #1371601
  * regulator: arizona-ldo1: remove bypass functionality
    - LP: #1371601
  * ASoC: samsung: Correct I2S DAI suspend/resume ops
    - LP: #1371601
  * drm/tilcdc: panel: fix dangling sysfs connector node
    - LP: #1371601
  * drm/tilcdc: slave: fix dangling sysfs connector node
    - LP: #1371601
  * drm/tilcdc: tfp410: fix dangling sysfs connector node
    - LP: #1371601
  * drm/tilcdc: panel: fix leak when unloading the module
    - LP: #1371601
  * drm/tilcdc: fix release order on exit
    - LP: #1371601
  * drm/tilcdc: fix double kfree
    - LP: #1371601
  * ACPICA: Utilities: Fix memory leak in acpi_ut_copy_iobject_to_iobject
    - LP: #1371601
  * stable_kernel_rules: Add pointer to netdev-FAQ for network patches
    - LP: #1371601
  * USB: ehci-pci: USB host controller support for Intel Quark X1000
    - LP: #1371601
  * debugfs: Fix corrupted loop in debugfs_remove_recursive
    - LP: #1371601
  * serial: core: Preserve termios c_cflag for console resume
    - LP: #1371601
  * mtd/ftl: fix the double free of the buffers allocated in build_maps()
    - LP: #1371601
  * ext4: Fix block zeroing when punching holes in indirect block files
    - LP: #1371601
  * ext4: fix punch hole on files with indirect mapping
    - LP: #1371601
  * x86: don't exclude low BIOS area when allocating address space for
    non-PCI cards
    - LP: #1371601
  * PCI: Configure ASPM when enabling device
    - LP: #1371601
  * Bluetooth: never linger on process exit
    - LP: #1371601
  * ASoC: blackfin: use samples to set silence
    - LP: #1371601
  * USB: OHCI: fix bugs in debug routines
    - LP: #1371601
  * USB: OHCI: don't lose track of EDs when a controller dies
    - LP: #1371601
  * mei: start disconnect request timer consistently
    - LP: #1371601
  * mei: fix return value on disconnect timeout
    - LP: #1371601
  * USB: Fix persist resume of some SS USB devices
    - LP: #1371601
  * media-device: Remove duplicated memset() in media_enum_entities()
    - LP: #1371601
  * Bluetooth: Avoid use of session socket after the session gets freed
    - LP: #1371601
  * xc5000: Fix get_frequency()
    - LP: #1371601
  * xc4000: Fix get_frequency()
    - LP: #1371601
  * CAPABILITIES: remove undefined caps from all processes
    - LP: #1371601
  * scsi: add a blacklist flag which enables VPD page inquiries
    - LP: #1371601
  * bfa: Fix undefined bit shift on big-endian architectures with 32-bit
    DMA address
    - LP: #1371601
  * hpsa: fix bad -ENOMEM return value in hpsa_big_passthru_ioctl
    - LP: #1371601
  * Drivers: scsi: storvsc: Change the limits to reflect the values on the
    host
    - LP: #1371601
  * Drivers: scsi: storvsc: Set cmd_per_lun to reflect value supported by
    the Host
    - LP: #1371601
  * Drivers: scsi: storvsc: Filter commands based on the storage protocol
    version
    - LP: #1371601
  * Drivers: scsi: storvsc: Fix a bug in handling VMBUS protocol version
    - LP: #1371601
  * Drivers: scsi: storvsc: Implement a eh_timed_out handler
    - LP: #1371601
  * drivers: scsi: storvsc: Set srb_flags in all cases
    - LP: #1371601
  * drivers: scsi: storvsc: Correctly handle TEST_UNIT_READY failure
    - LP: #1371601
  * x86_64/vsyscall: Fix warn_bad_vsyscall log output
    - LP: #1371601
  * KVM: PPC: Book3S PR: Take SRCU read lock around RTAS kvm_read_guest()
    call
    - LP: #1371601
  * spi: orion: fix incorrect handling of cell-index DT property
    - LP: #1371601
  * mfd: omap-usb-host: Fix improper mask use.
    - LP: #1371601
  * tpm: Add missing tpm_do_selftest to ST33 I2C driver
    - LP: #1371601
  * tpm: missing tpm_chip_put in tpm_get_random()
    - LP: #1371601
  * scsi: do not issue SCSI RSOC command to Promise Vtrak E610f
    - LP: #1371601
  * hwmon: (ads1015) Fix off-by-one for valid channel index checking
    - LP: #1371601
  * ALSA: hda - fix an external mic jack problem on a HP machine
    - LP: #1350148, #1371601
  * MIPS: tlbex: Fix a missing statement for HUGETLB
    - LP: #1371601
  * MIPS: Prevent user from setting FCSR cause bits
    - LP: #1371601
  * KVM: x86: always exit on EOIs for interrupts listed in the IOAPIC redir
    table
    - LP: #1371601
  * MIPS: Remove BUG_ON(!is_fpu_owner()) in do_ade()
    - LP: #1371601
  * MIPS: ptrace: Test correct task's flags in task_user_regset_view()
    - LP: #1371601
  * MIPS: asm/reg.h: Make 32- and 64-bit definitions available at the same
    time
    - LP: #1371601
  * MIPS: ptrace: Change GP regset to use correct core dump register layout
    - LP: #1371601
  * md/raid1,raid10: always abort recover on write error.
    - LP: #1371601
  * ext4: fix ext4_discard_allocated_blocks() if we can't allocate the pa
    struct
    - LP: #1371601
  * hwmon: (lm85) Fix various errors on attribute writes
    - LP: #1371601
  * hwmon: (lm78) Fix overflow problems seen when writing large temperature
    limits
    - LP: #1371601
  * hwmon: (amc6821) Fix possible race condition bug
    - LP: #1371601
  * MIPS: GIC: Prevent array overrun
    - LP: #1371601
  * mnt: Add tests for unprivileged remount cases that have found to be
    faulty
    - LP: #1371601
  * ARM: OMAP3: Fix choice of omap3_restore_es function in OMAP34XX
    rev3.1.2 case.
    - LP: #1371601
  * netlabel: fix a problem when setting bits below the previously lowest
    bit
    - LP: #1371601
  * netlabel: fix the horribly broken catmap functions
    - LP: #1371601
  * netlabel: fix the catmap walking functions
    - LP: #1371601
  * drivers/i2c/busses: use correct type for dma_map/unmap
    - LP: #1371601
  * NFSD: Decrease nfsd_users in nfsd_startup_generic fail
    - LP: #1371601
  * MIPS: O32/32-bit: Fix bug which can cause incorrect system call
    restarts
    - LP: #1371601
  * IB/srp: Fix deadlock between host removal and multipathd
    - LP: #1371601
  * USB: serial: ftdi_sio: Annotate the current Xsens PID assignments
    - LP: #1371601
  * USB: serial: ftdi_sio: Add support for new Xsens devices
    - LP: #1371601
  * USB: devio: fix issue with log flooding
    - LP: #1371601
  * CIFS: Fix async reading on reconnects
    - LP: #1371601
  * CIFS: Fix STATUS_CANNOT_DELETE error mapping for SMB2
    - LP: #1371601
  * xfs: ensure verifiers are attached to recovered buffers
    - LP: #1371601
  * drm/tegra: add MODULE_DEVICE_TABLEs
    - LP: #1371601
  * ALSA: virtuoso: add Xonar Essence STX II support
    - LP: #1371601
  * hwmon: (gpio-fan) Prevent overflow problem when writing large limits
    - LP: #1371601
  * hwmon: (sis5595) Prevent overflow problem when writing large limits
    - LP: #1371601
  * NFS: Fix /proc/fs/nfsfs/servers and /proc/fs/nfsfs/volumes
    - LP: #1371601
  * drm/ttm: Fix possible division by 0 in ttm_dma_pool_shrink_scan().
    - LP: #1371601
  * drm/ttm: Choose a pool to shrink correctly in
    ttm_dma_pool_shrink_scan().
    - LP: #1371601
  * drm/ttm: Use mutex_trylock() to avoid deadlock inside shrinker
    functions.
    - LP: #1371601
  * drm/ttm: Fix possible stack overflow by recursive shrinker calls.
    - LP: #1371601
  * drm/ttm: Pass GFP flags in order to avoid deadlock.
    - LP: #1371601
  * powerpc/mm/numa: Fix break placement
    - LP: #1371601
  * powerpc/pci: Reorder pci bus/bridge unregistration during PHB removal
    - LP: #1371601
  * drm/radeon: load the lm63 driver for an lm64 thermal chip.
    - LP: #1371601
  * drm/radeon: set VM base addr using the PFP v2
    - LP: #1371601
  * drm/radeon/atom: add new voltage fetch function for hawaii
    - LP: #1371601
  * drm/radeon/dpm: handle voltage info fetching on hawaii
    - LP: #1371601
  * drm/radeon: re-enable dpm by default on cayman
    - LP: #1371601
  * drm/radeon: re-enable dpm by default on BTC
    - LP: #1371601
  * drm/radeon: use packet2 for nop on hawaii with old firmware
    - LP: #1371601
  * drm/radeon: tweak ACCEL_WORKING2 query for hawaii
    - LP: #1371601
  * KVM: nVMX: fix "acknowledge interrupt on exit" when APICv is in use
    - LP: #1371601
  * RDMA/iwcm: Use a default listen backlog if needed
    - LP: #1371601
  * x86/efi: Enforce CONFIG_RELOCATABLE for EFI boot stub
    - LP: #1371601
  * net: sun4i-emac: fix memory leak on bad packet
    - LP: #1371601
  * hwmon: (ads1015) Fix out-of-bounds array access
    - LP: #1371601
  * hwmon: (dme1737) Prevent overflow problem when writing large limits
    - LP: #1371601
  * s390/locking: Reenable optimistic spinning
    - LP: #1371601
  * ring-buffer: Up rb_iter_peek() loop count to 3
    - LP: #1371601
  * ring-buffer: Always reset iterator to reader page
    - LP: #1371601
  * kernel/smp.c:on_each_cpu_cond(): fix warning in fallback path
    - LP: #1371601
  * drm/i915: read HEAD register back in init_ring_common() to enforce
    ordering
    - LP: #1371601
  * vm_is_stack: use for_each_thread() rather then buggy
    while_each_thread()
    - LP: #1371601
  * libceph: set last_piece in ceph_msg_data_pages_cursor_init() correctly
    - LP: #1371601
  * drm/nouveau: Bump version from 1.1.1 to 1.1.2
    - LP: #1371601
  * ALSA: usb-audio: fix BOSS ME-25 MIDI regression
    - LP: #1371601
  * ALSA: hda/ca0132 - Don't try loading firmware at resume when already
    failed
    - LP: #1371601
  * carl9170: fix sending URBs with wrong type when using full-speed
    - LP: #1371601
  * powerpc/pseries: Failure on removing device node
    - LP: #1371601
  * Btrfs: Fix memory corruption by ulist_add_merge() on 32bit arch
    - LP: #1371601
  * Btrfs: fix csum tree corruption, duplicate and outdated checksums
    - LP: #1371601
  * ext4: fix BUG_ON in mb_free_blocks()
    - LP: #1371601
  * x86/espfix/xen: Fix allocation of pages for paravirt page tables
    - LP: #1371601
  * Linux 3.13.11.7
    - LP: #1371601
  * HID: magicmouse: sanity check report size in raw_event() callback
    - LP: #1370025
    - CVE-2014-3181
  * HID: fix a couple of off-by-ones
    - LP: #1370035
    - CVE-2014-3184
  * USB: whiteheat: Added bounds checking for bulk command response
    - LP: #1370036
    - CVE-2014-3185
  * HID: picolcd: sanity check report size in raw_event() callback
    - LP: #1370038
    - CVE-2014-3186
  * KEYS: Fix termination condition in assoc array garbage collection
    - LP: #1370041
    - CVE-2014-3631
  * udf: Fold udf_fill_inode() into __udf_read_inode()
    - LP: #1370042
    - CVE-2014-6410
  * udf: Avoid infinite loop when processing indirect ICBs
    - LP: #1370042
    - CVE-2014-6410
  * libceph: add process_one_ticket() helper
    - LP: #1370044, #1370046, #1370047
    - CVE-2014-6418
  * libceph: do not hard code max auth ticket len
    - LP: #1370044, #1370046, #1370047
    - CVE-2014-6418

linux (3.13.0-36.63) trusty; urgency=low

  [ Joseph Salisbury ]

  * Release Tracking Bug
    - LP: #1365052

  [ Feng Kan ]

  * SAUCE: (no-up) irqchip:gic: change access of gicc_ctrl register to read
    modify write.
    - LP: #1357527
  * SAUCE: (no-up) arm64: optimized copy_to_user and copy_from_user
    assembly code
    - LP: #1358949

  [ Ming Lei ]

  * SAUCE: (no-up) Drop APM X-Gene SoC Ethernet driver
    - LP: #1360140
  * [Config] Drop XGENE entries
    - LP: #1360140
  * [Config] CONFIG_NET_XGENE=m for arm64
    - LP: #1360140

  [ Stefan Bader ]

  * SAUCE: Add compat macro for skb_get_hash
    - LP: #1358162
  * SAUCE: bcache: prevent crash on changing writeback_running
    - LP: #1357295

  [ Suman Tripathi ]

  * SAUCE: (no-up) arm64: Fix the csr-mask for APM X-Gene SoC AHCI SATA PHY
    clock DTS node.
    - LP: #1359489
  * SAUCE: (no-up) ahci_xgene: Skip the PHY and clock initialization if
    already configured by the firmware.
    - LP: #1359501
  * SAUCE: (no-up) ahci_xgene: Fix the link down in first attempt for the
    APM X-Gene SoC AHCI SATA host controller driver.
    - LP: #1359507

  [ Tuan Phan ]

  * SAUCE: (no-up) pci-xgene-msi: fixed deadlock in irq_set_affinity
    - LP: #1359514

  [ Upstream Kernel Changes ]

  * iwlwifi: mvm: Add a missed beacons threshold
    - LP: #1349572
  * mac80211: reset probe_send_count also in HW_CONNECTION_MONITOR case
    - LP: #1349572
  * genirq: Add an accessor for IRQ_PER_CPU flag
    - LP: #1357527
  * arm64: perf: add support for percpu pmu interrupt
    - LP: #1357527
  * cifs: sanity check length of data to send before sending
    - LP: #1283101
  * KVM: nVMX: Pass vmexit parameters to nested_vmx_vmexit
    - LP: #1329434
  * KVM: nVMX: Rework interception of IRQs and NMIs
    - LP: #1329434
  * KVM: vmx: disable APIC virtualization in nested guests
    - LP: #1329434
  * HID: Add transport-driver functions to the USB HID interface.
    - LP: #1353021
  * ahci_xgene: Removing NCQ support from the APM X-Gene SoC AHCI SATA Host
    Controller driver.
    - LP: #1358498
  * fold d_kill() and d_free()
    - LP: #1354234
  * fold try_prune_one_dentry()
    - LP: #1354234
  * new helper: dentry_free()
    - LP: #1354234
  * expand the call of dentry_lru_del() in dentry_kill()
    - LP: #1354234
  * dentry_kill(): don't try to remove from shrink list
    - LP: #1354234
  * don't remove from shrink list in select_collect()
    - LP: #1354234
  * more graceful recovery in umount_collect()
    - LP: #1354234
  * dcache: don't need rcu in shrink_dentry_list()
    - LP: #1354234
  * lift the "already marked killed" case into shrink_dentry_list()
  * split dentry_kill()
    - LP: #1354234
  * expand dentry_kill(dentry, 0) in shrink_dentry_list()
    - LP: #1354234
  * shrink_dentry_list(): take parent's ->d_lock earlier
    - LP: #1354234
  * dealing with the rest of shrink_dentry_list() livelock
    - LP: #1354234
  * dentry_kill() doesn't need the second argument now
    - LP: #1354234
  * dcache: add missing lockdep annotation
    - LP: #1354234
  * fs: convert use of typedef ctl_table to struct ctl_table
    - LP: #1354234
  * lock_parent: don't step on stale ->d_parent of all-but-freed one
    - LP: #1354234
  * tools/testing/selftests/ptrace/peeksiginfo.c: add PAGE_SIZE definition
    - LP: #1358855
  * x86, irq, pic: Probe for legacy PIC and set legacy_pic appropriately
    - LP: #1317697
  * bnx2x: Fix kernel crash and data miscompare after EEH recovery
    - LP: #1353105
  * bnx2x: Adapter not recovery from EEH error injection
    - LP: #1353105
  * Fix: module signature vs tracepoints: add new TAINT_UNSIGNED_MODULE
    - LP: #1359670
  * bcache: fix crash on shutdown in passthrough mode
    - LP: #1357295
  * bcache: fix uninterruptible sleep in writeback thread
    - LP: #1357295
  * namespaces: Use task_lock and not rcu to protect nsproxy
    - LP: #1328088
  * MAINTAINERS: Add entry for APM X-Gene SoC ethernet driver
    - LP: #1360140
  * Documentation: dts: Add bindings for APM X-Gene SoC ethernet driver
    - LP: #1360140
  * dts: Add bindings for APM X-Gene SoC ethernet driver
    - LP: #1360140
  * drivers: net: Add APM X-Gene SoC ethernet driver support.
    - LP: #1360140
  * powerpc/mm: Add new "set" flag argument to pte/pmd update function
    - LP: #1357014
  * powerpc/thp: Add write barrier after updating the valid bit
    - LP: #1357014
  * powerpc/thp: Don't recompute vsid and ssize in loop on invalidate
    - LP: #1357014
  * powerpc/thp: Invalidate old 64K based hash page mapping before insert
    of 4k pte
    - LP: #1357014
  * powerpc/thp: Handle combo pages in invalidate
    - LP: #1357014
  * powerpc/thp: Invalidate with vpn in loop
    - LP: #1357014
  * powerpc/thp: Use ACCESS_ONCE when loading pmdp
    - LP: #1357014
  * powerpc/mm: Use read barrier when creating real_pte
    - LP: #1357014
  * powerpc/thp: Add tracepoints to track hugepage invalidate
    - LP: #1357014
  * powerpc: subpage_protect: Increase the array size to take care of 64TB
    - LP: #1357014
  * mfd: rtsx: Add set pull control macro and simplify rtl8411
    - LP: #1361086
  * mfd: rtsx: Add support for card reader rtl8402
    - LP: #1361086
  * kvm: iommu: fix the third parameter of kvm_iommu_put_pages
    (CVE-2014-3601)
    - LP: #1362443
    - CVE-2014-3601
  * isofs: Fix unbounded recursion when processing relocated directories
    - LP: #1362447, #1362448
    - CVE-2014-5472
  * net: sctp: inherit auth_capable on INIT collisions
    - LP: #1349804
    - CVE-2014-5077
  * blk-mq: fix initializing request's start time
    - LP: #1297522

  [ Vinayak Kale ]

  * SAUCE: (no-up) dt-bindings: Add Potenza PMU binding
    - LP: #1357527
  * SAUCE: (no-up) arm64: dts: Add PMU node for APM X-Gene Storm SOC
    - LP: #1357527
 -- Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>   Mon, 22 Sep 2014 15:51:07 -0400

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
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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