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[Bug 1396235] Re: Ubuntu - unable to use XMON debugger (running ppc64le on PowerVM)

 

This bug was fixed in the package linux - 3.16.0-29.39

---------------
linux (3.16.0-29.39) utopic; urgency=low

  [ Kamal Mostafa ]

  * Release Tracking Bug
    - LP: #1402822

  [ AceLan Kao ]

  * SAUCE: Add use_native_backlight quirk for HP ProBook 6570b
    - LP: #1359010

  [ Andy Whitcroft ]

  * Revert "SAUCE: (no-up) arm64: optimized copy_to_user and copy_from_user
    assembly code"
    - LP: #1398596
  * [Config] updateconfigs to balance CONFIG_SCOM_DEBUGFS

  [ Paolo Pisati ]

  * [Config] armhf: VIRTIO_[BALLOON|MMIO]=y

  [ Upstream Kernel Changes ]

  * Revert "arm64: Make default dma_ops to be noncoherent"
    - LP: #1386490
  * Revert "percpu: free percpu allocation info for uniprocessor system"
    - LP: #1401079
  * ath3k: Add support of MCI 13d3:3408 bt device
    - LP: #1395465
  * x86: kvm: use alternatives for VMCALL vs. VMMCALL if kernel text is
    read-only
    - LP: #1379340
  * cpufreq: Allow stop CPU callback to be used by all cpufreq drivers
    - LP: #1397928
  * cpufreq: powernv: Set the pstate of the last hotplugged out cpu in
    policy->cpus to minimum
    - LP: #1397928
  * cpufreq: powernv: Set the cpus to nominal frequency during reboot/kexec
    - LP: #1397928
  * xen-netfront: Remove BUGs on paged skb data which crosses a page
    boundary
    - LP: #1275879
  * ACPI / blacklist: blacklist Win8 OSI for Dell Vostro 3546
    - LP: #1383589
  * iwlwifi: add device / firmware to fw-error-dump file
    - LP: #1399440
  * iwlwifi: rename iwl_mvm_fw_error_next_data
    - LP: #1399440
  * iwlwifi: pcie: add firmware monitor capabilities
    - LP: #1399440
  * iwlwifi: remove wrong comment about alignment in iwl-fw-error-dump.h
    - LP: #1399440
  * iwlwifi: mvm: don't collect logs in the interrupt thread
    - LP: #1399440
  * iwlwifi: mvm: kill iwl_mvm_fw_error_rxf_dump
    - LP: #1399440
  * iwlwifi: mvm: update layout of firmware error dump
    - LP: #1399440
  * powerpc/pseries: Fix endiannes issue in RTAS call from xmon
    - LP: #1396235
  * mmc: sdhci-pci-o2micro: Fix Dell E5440 issue
    - LP: #1346067
  * mfd: rtsx: Fix PM suspend for 5227 & 5249
    - LP: #1359052
  * samsung-laptop: Add broken-acpi-video quirk for NC210/NC110
    - LP: #1401079
  * acer-wmi: Add acpi_backlight=video quirk for the Acer KAV80
    - LP: #1401079
  * pinctrl: baytrail: show output gpio state correctly on Intel Baytrail
    - LP: #1401079
  * ALSA: hda - Add dock support for Thinkpad T440 (17aa:2212)
    - LP: #1401079
  * ALSA: hda - Add ultra dock support for Thinkpad X240.
    - LP: #1401079
  * rbd: Fix error recovery in rbd_obj_read_sync()
    - LP: #1401079
  * ds3000: fix LNB supply voltage on Tevii S480 on initialization
    - LP: #1401079
  * powerpc: do_notify_resume can be called with bad thread_info flags
    argument
    - LP: #1401079
  * powerpc/powernv: Properly fix LPC debugfs endianness
    - LP: #1401079
  * irqchip: armada-370-xp: Fix MSI interrupt handling
    - LP: #1401079
  * irqchip: armada-370-xp: Fix MPIC interrupt handling
    - LP: #1401079
  * USB: kobil_sct: fix non-atomic allocation in write path
    - LP: #1401079
  * USB: opticon: fix non-atomic allocation in write path
    - LP: #1401079
  * regulator: max77693: Fix use of uninitialized regulator config
    - LP: #1401079
  * USB: cdc-acm: add device id for GW Instek AFG-2225
    - LP: #1401079
  * usb: Do not allow usb_alloc_streams on unconfigured devices
    - LP: #1401079
  * usb-storage: handle a skipped data phase
    - LP: #1401079
  * uas: Add US_FL_NO_ATA_1X quirk for 1 more Seagate model
    - LP: #1401079
  * xhci: Disable streams on Asmedia 1042 xhci controllers
    - LP: #1401079
  * uas: Add NO_ATA_1X for VIA VL711 devices
    - LP: #1401079
  * USB: core: add device-qualifier quirk
    - LP: #1401079
  * USB: quirks: enable device-qualifier quirk for Elan Touchscreen
    - LP: #1401079
  * USB: quirks: enable device-qualifier quirk for another Elan touchscreen
    - LP: #1401079
  * USB: quirks: enable device-qualifier quirk for yet another Elan
    touchscreen
    - LP: #1401079
  * xhci: no switching back on non-ULT Haswell
    - LP: #1401079
  * uas: Add US_FL_NO_ATA_1X quirk for 2 more Seagate models
    - LP: #1401079
  * of: Fix overflow bug in string property parsing functions
    - LP: #1401079
  * spi: fsl-dspi: Fix CTAR selection
    - LP: #1401079
  * Btrfs: fix kfree on list_head in btrfs_lookup_csums_range error cleanup
    - LP: #1401079
  * ALSA: usb-audio: Fix device_del() sysfs warnings at disconnect
    - LP: #1401079
  * iio: as3935: allocate correct iio_device size
    - LP: #1401079
  * staging:iio:ade7758: Fix NULL pointer deref when enabling buffer
    - LP: #1401079
  * staging:iio:ade7758: Fix check if channels are enabled in prenable
    - LP: #1401079
  * staging:iio:ade7758: Remove "raw" from channel name
    - LP: #1401079
  * USB: cdc-acm: only raise DTR on transitions from B0
    - LP: #1401079
  * fix breakage in o2net_send_tcp_msg()
    - LP: #1401079
  * phy: omap-usb2: Enable runtime PM of omap-usb2 phy properly
    - LP: #1401079
  * serial: Fix divide-by-zero fault in uart_get_divisor()
    - LP: #1401079
  * tty: Fix high cpu load if tty is unreleaseable
    - LP: #1401079
  * tty: Prevent "read/write wait queue active!" log flooding
    - LP: #1401079
  * tty/vt: don't set font mappings on vc not supporting this
    - LP: #1401079
  * spi: pxa2xx: toggle clocks on suspend if not disabled by runtime PM
    - LP: #1401079
  * USB: cdc-acm: add quirk for control-line state requests
    - LP: #1401079
  * sysfs: driver core: Fix glue dir race condition by gdp_mutex
    - LP: #1401079
  * i2c: at91: don't account as iowait
    - LP: #1401079
  * i2c: core: Dispose OF IRQ mapping at client removal time
    - LP: #1401079
  * drm/nouveau/kms: take more care when pulling down accelerated fbcon
    - LP: #1401079
  * drm/nouveau/kms: restore acceleration before fb_set_suspend() resumes
    - LP: #1401079
  * drm/nouveau: punt fbcon resume out to a workqueue
    - LP: #1401079
  * drm/nouveau/bar: behave better if ioremap failed
    - LP: #1401079
  * drm/nvc0-/fb/ram: fix use of non-existant ram if partitions aren't
    uniform
    - LP: #1401079
  * drm/nouveau/ltc: fix tag base address getting truncated if above 4GiB
    - LP: #1401079
  * drm/nouveau: ltc/gf100-: fix cbc issues on certain boards
    - LP: #1401079
  * drm/nv50/disp: fix dpms regression on certain boards
    - LP: #1401079
  * drm/nouveau/bios: memset dcb struct to zero before parsing
    - LP: #1401079
  * GFS2: Make rename not save dirent location
    - LP: #1401079
  * cpufreq: intel_pstate: Add CPU ID for Braswell processor
    - LP: #1401079
  * x86/platform/intel/iosf: Add Braswell PCI ID
    - LP: #1401079
  * ALSA: hda - add PCI IDs for Intel Braswell
    - LP: #1401079
  * ALSA: hda - add codec ID for Braswell display audio codec
    - LP: #1401079
  * netfilter: ipset: off by one in ip_set_nfnl_get_byindex()
    - LP: #1401079
  * netfilter: nf_tables: check for NULL in nf_tables_newchain pcpu stats
    allocation
    - LP: #1401079
  * netfilter: nf_log: account for size of NLMSG_DONE attribute
    - LP: #1401079
  * netfilter: nfnetlink_log: fix maximum packet length logged to userspace
    - LP: #1401079
  * netfilter: nf_log: release skbuff on nlmsg put failure
    - LP: #1401079
  * netfilter: nft_compat: fix wrong target lookup in
    nft_target_select_ops()
    - LP: #1401079
  * crypto: algif - avoid excessive use of socket buffer in skcipher
    - LP: #1401079
  * drm/ttm: Don't evict BOs outside of the requested placement range
    - LP: #1401079
  * lockd: Try to reconnect if statd has moved
    - LP: #1401079
  * SUNRPC: Don't wake tasks during connection abort
    - LP: #1401079
  * SUNRPC: Add missing support for RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT
    - LP: #1401079
  * pata_serverworks: disable 64-KB DMA transfers on Broadcom OSB4 IDE
    Controller
    - LP: #1401079
  * libata-sff: Fix controllers with no ctl port
    - LP: #1401079
  * ASoC: soc-dapm: fix use after free
    - LP: #1401079
  * ASoC: tlv320aic3x: fix PLL D configuration
    - LP: #1401079
  * mmc: core: sdio: Fix unconditional wake_up_process() on sdio thread
    - LP: #1401079
  * mmc: sdhci-pxav3: set_uhs_signaling is initialized twice differently
    - LP: #1401079
  * mmc: rtsx_usb_sdmmc: fix incorrect last byte in R2 response
    - LP: #1401079
  * mmc: don't request CD IRQ until mmc_start_host()
    - LP: #1401079
  * mmc: rtsx_pci_sdmmc: fix incorrect last byte in R2 response
    - LP: #1401079
  * mmc: sdhci-s3c: fix runtime PM handling on sdhci_add_host() failure
    - LP: #1401079
  * fs: make cont_expand_zero interruptible
    - LP: #1401079
  * fs: Fix theoretical division by 0 in super_cache_scan().
    - LP: #1401079
  * UBIFS: remove mst_mutex
    - LP: #1401079
  * UBIFS: fix a race condition
    - LP: #1401079
  * UBIFS: fix free log space calculation
    - LP: #1401079
  * x86: Reject x32 executables if x32 ABI not supported
    - LP: #1401079
  * x86, fpu: __restore_xstate_sig()->math_state_restore() needs
    preempt_disable()
    - LP: #1401079
  * x86, fpu: shift drop_init_fpu() from save_xstate_sig() to
    handle_signal()
    - LP: #1401079
  * perf: Fix unclone_ctx() vs. locking
    - LP: #1401079
  * evm: properly handle INTEGRITY_NOXATTRS EVM status
    - LP: #1401079
  * missing data dependency barrier in prepend_name()
    - LP: #1401079
  * kill wbuf_queued/wbuf_dwork_lock
    - LP: #1401079
  * fix misuses of f_count() in ppp and netlink
    - LP: #1401079
  * libceph: ceph-msgr workqueue needs a resque worker
    - LP: #1401079
  * sched: Use dl_bw_of() under RCU read lock
    - LP: #1401079
  * um: ubd: Fix for processes stuck in D state forever
    - LP: #1401079
  * s390/topology: call set_sched_topology early
    - LP: #1401079
  * mfd: ti_am335x_tscadc: Fix TSC operation after ADC continouous mode
    - LP: #1401079
  * mfd: ti_am335x_tscadc: Fix TSC resume
    - LP: #1401079
  * mfd: rtsx_pcr: Fix MSI enable error handling
    - LP: #1401079
  * selinux: fix inode security list corruption
    - LP: #1401079
  * power: charger-manager: Fix NULL pointer exception with missing
    cm-fuel-gauge
    - LP: #1401079
  * virtio_pci: fix virtio spec compliance on restore
    - LP: #1401079
  * xen/blkback: unmap all persistent grants when frontend gets
    disconnected
    - LP: #1401079
  * blk-mq: fix potential hang if rolling wakeup depth is too high
    - LP: #1401079
  * dm bufio: update last_accessed when relinking a buffer
    - LP: #1401079
  * dm bufio: when done scanning return from __scan immediately
    - LP: #1401079
  * drbd: compute the end before rb_insert_augmented()
    - LP: #1401079
  * block: fix alignment_offset math that assumes io_min is a power-of-2
    - LP: #1401079
  * dm log userspace: fix memory leak in dm_ulog_tfr_init failure path
    - LP: #1401079
  * modules, lock around setting of MODULE_STATE_UNFORMED
    - LP: #1401079
  * framebuffer: fix screen corruption when copying
    - LP: #1401079
  * framebuffer: fix border color
    - LP: #1401079
  * Input: i8042 - add noloop quirk for Asus X750LN
    - LP: #1401079
  * drm/ast: Fix HW cursor image
    - LP: #1401079
  * drm/nouveau/gpio: rename g92 class to g94
    - LP: #1401079
  * drm/i915: Do not leak pages when freeing userptr objects
    - LP: #1401079
  * drm/vmwgfx: Fix drm.h include
    - LP: #1401079
  * v4l2-common: fix overflow in v4l_bound_align_image()
    - LP: #1401079
  * media: usb: uvc: add a quirk for Dell XPS M1330 webcam
    - LP: #1401079
  * siano: add support for PCTV 77e
    - LP: #1401079
  * m88ts2022: fix 32bit overflow on filter calc
    - LP: #1401079
  * tda7432: Fix setting TDA7432_MUTE bit for TDA7432_RF register
    - LP: #1401079
  * x86: Add cpu_detect_cache_sizes to init_intel() add Quark
    legacy_cache()
    - LP: #1401079
  * serial: msm_serial: Fix kgdb continue
    - LP: #1401079
  * sched: Use rq->rd in sched_setaffinity() under RCU read lock
    - LP: #1401079
  * drm/vmwgfx: Filter out modes those cannot be supported by the current
    VRAM size.
    - LP: #1401079
  * powerpc: use device_online/offline() instead of cpu_up/down()
    - LP: #1401079
  * UBI: add missing kmem_cache_free() in process_pool_aeb error path
    - LP: #1401079
  * xen-blkback: fix leak on grant map error path
    - LP: #1401079
  * HID: input: Fix TransducerSerialNumber implementation
    - LP: #1401079
  * HID: usbhid: add always-poll quirk
    - LP: #1401079
  * HID: usbhid: enable always-poll quirk for Elan Touchscreen
    - LP: #1401079
  * HID: usbhid: fix PIXART optical mouse
    - LP: #1401079
  * HID: usbhid: add another mouse that needs QUIRK_ALWAYS_POLL
    - LP: #1401079
  * HID: usbhid: enable always-poll quirk for Elan Touchscreen 009b
    - LP: #1401079
  * HID: usbhid: enable always-poll quirk for Elan Touchscreen 016f
    - LP: #1401079
  * HID: add keyboard input assist hid usages
    - LP: #1401079
  * rbd: avoid format-security warning inside alloc_workqueue()
    - LP: #1401079
  * rbd: fix error return code in rbd_dev_device_setup()
    - LP: #1401079
  * rbd: rbd workqueues need a resque worker
    - LP: #1401079
  * ttusb-dec: buffer overflow in ioctl
    - LP: #1401079
  * dm bufio: change __GFP_IO to __GFP_FS in shrinker callbacks
    - LP: #1401079
  * xtensa: re-wire umount syscall to sys_oldumount
    - LP: #1401079
  * dm raid: ensure superblock's size matches device's logical block size
    - LP: #1401079
  * ata: sata_rcar: Disable DIPM mode for r8a7790 ES1
    - LP: #1401079
  * ahci: disable MSI instead of NCQ on Samsung pci-e SSDs on macbooks
    - LP: #1401079
  * ahci: Add Device IDs for Intel Sunrise Point PCH
    - LP: #1401079
  * power: bq2415x_charger: Properly handle ENODEV from
    power_supply_get_by_phandle
    - LP: #1401079
  * power: bq2415x_charger: Fix memory leak on DTS parsing error
    - LP: #1401079
  * power: charger-manager: Fix accessing invalidated power supply after
    fuel gauge unbind
    - LP: #1401079
  * power: charger-manager: Fix accessing invalidated power supply after
    charger unbind
    - LP: #1401079
  * mac80211: use secondary channel offset IE also beacons during CSA
    - LP: #1401079
  * mac80211: schedule the actual switch of the station before CSA count 0
    - LP: #1401079
  * mac80211: properly flush delayed scan work on interface removal
    - LP: #1401079
  * audit: AUDIT_FEATURE_CHANGE message format missing delimiting space
    - LP: #1401079
  * block: Fix computation of merged request priority
    - LP: #1401079
  * x86, microcode, AMD: Fix early ucode loading on 32-bit
    - LP: #1401079
  * x86, kaslr: Prevent .bss from overlaping initrd
    - LP: #1401079
  * ARM: mvebu: armada xp: Generalize use of i2c quirk
    - LP: #1401079
  * mac80211: fix use-after-free in defragmentation
    - LP: #1401079
  * iwlwifi: fix RFkill while calibrating
    - LP: #1401079
  * tun: Fix csum_start with VLAN acceleration
    - LP: #1401079
  * macvtap: Fix csum_start when VLAN tags are present
    - LP: #1401079
  * dm thin: grab a virtual cell before looking up the mapping
    - LP: #1401079
  * KVM: x86: Fix uninitialized op->type for some immediate values
    - LP: #1401079
  * crypto: caam - fix missing dma unmap on error path
    - LP: #1401079
  * hwrng: pseries - port to new read API and fix stack corruption
    - LP: #1401079
  * drm/i915: Disable caches for Global GTT.
    - LP: #1401079
  * Input: synaptics - add min/max quirk for Lenovo T440s
    - LP: #1401079
  * drm/radeon: set correct CE ram size for CIK
    - LP: #1401079
  * drm/radeon: make sure mode init is complete in bandwidth_update
    - LP: #1401079
  * drm/radeon: use gart for DMA IB tests
    - LP: #1401079
  * drm/radeon: add missing crtc unlock when setting up the MC
    - LP: #1401079
  * cpufreq: Avoid crash in resume on SMP without OPP
    - LP: #1401079
  * Input: alps - ignore potential bare packets when device is out of sync
    - LP: #1401079
  * Input: alps - allow up to 2 invalid packets without resetting device
    - LP: #1401079
  * x86, microcode, AMD: Fix ucode patch stashing on 32-bit
    - LP: #1401079
  * scsi: only re-lock door after EH on devices that were reset
    - LP: #1401079
  * mfd: twl4030-power: Fix poweroff with PM configuration enabled
    - LP: #1401079
  * dm btree: fix a recursion depth bug in btree walking code
    - LP: #1401079
  * parisc: Use compat layer for msgctl, shmat, shmctl and semtimedop
    syscalls
    - LP: #1401079
  * tracing: Do not busy wait in buffer splice
    - LP: #1401079
  * param: fix crash on bad kernel arguments
    - LP: #1401079
  * ALSA: usb-audio: Fix memory leak in FTU quirk
    - LP: #1401079
  * audit: keep inode pinned
    - LP: #1401079
  * drm/radeon: add locking around atombios scratch space usage
    - LP: #1401079
  * nfs: fix pnfs direct write memory leak
    - LP: #1401079
  * nfs: Fix use of uninitialized variable in nfs_getattr()
    - LP: #1401079
  * NFSv4: Ensure that we remove NFSv4.0 delegations when state has expired
    - LP: #1401079
  * NFSv4.1: nfs41_clear_delegation_stateid shouldn't trust
    NFS_DELEGATED_STATE
    - LP: #1401079
  * NFSv4: Fix races between nfs_remove_bad_delegation() and delegation
    return
    - LP: #1401079
  * NFSv4: Ensure that we call FREE_STATEID when NFSv4.x stateids are
    revoked
    - LP: #1401079
  * NFS: Don't try to reclaim delegation open state if recovery failed
    - LP: #1401079
  * ALSA: hda - Add mute LED control for Lenovo Ideapad Z560
    - LP: #1401079
  * arm64: efi: Fix stub cache maintenance
    - LP: #1401079
  * arm64: __clear_user: handle exceptions on strb
    - LP: #1401079
  * Correct the race condition in aarch64_insn_patch_text_sync()
    - LP: #1401079
  * Fix thinko in iov_iter_single_seg_count
    - LP: #1401079
  * libceph: do not crash on large auth tickets
    - LP: #1401079
  * ARM: 8191/1: decompressor: ensure I-side picks up relocated code
    - LP: #1401079
  * ARM: 8198/1: make kuser helpers depend on MMU
    - LP: #1401079
  * zram: avoid kunmap_atomic() of a NULL pointer
    - LP: #1401079
  * mem-hotplug: reset node managed pages when hot-adding a new pgdat
    - LP: #1401079
  * mem-hotplug: reset node present pages when hot-adding a new pgdat
    - LP: #1401079
  * Input: alps - ignore bad data on Dell Latitudes E6440 and E7440
    - LP: #1401079
  * firewire: cdev: prevent kernel stack leaking into ioctl arguments
    - LP: #1401079
  * md: Always set RECOVERY_NEEDED when clearing RECOVERY_FROZEN
    - LP: #1401079
  * ip6_tunnel: Use ip6_tnl_dev_init as the ndo_init function.
    - LP: #1401079
  * vti6: Use vti6_dev_init as the ndo_init function.
    - LP: #1401079
  * sit: Use ipip6_tunnel_init as the ndo_init function.
    - LP: #1401079
  * gre6: Move the setting of dev->iflink into the ndo_init functions.
    - LP: #1401079
  * net: mv643xx_eth: reclaim TX skbs only when released by the HW
    - LP: #1401079
  * vxlan: Do not reuse sockets for a different address family
    - LP: #1401079
  * net: sctp: fix NULL pointer dereference in af->from_addr_param on
    malformed packet
    - LP: #1401079
  * net: sctp: fix memory leak in auth key management
    - LP: #1401079
  * ipv6: fix IPV6_PKTINFO with v4 mapped
    - LP: #1401079
  * netlink: Properly unbind in error conditions.
    - LP: #1401079
  * smsc911x: power-up phydev before doing a software reset.
    - LP: #1401079
  * sunvdc: add cdrom and v1.1 protocol support
    - LP: #1401079
  * sunvdc: compute vdisk geometry from capacity
    - LP: #1401079
  * sunvdc: limit each sg segment to a page
    - LP: #1401079
  * vio: fix reuse of vio_dring slot
    - LP: #1401079
  * sunvdc: don't call VD_OP_GET_VTOC
    - LP: #1401079
  * sparc64: Fix crashes in schizo_pcierr_intr_other().
    - LP: #1401079
  * sparc64: Do irq_{enter,exit}() around generic_smp_call_function*().
    - LP: #1401079
  * sparc32: Implement xchg and atomic_xchg using ATOMIC_HASH locks
    - LP: #1401079
  * drm/radeon: initialize sadb to NULL in the audio code
    - LP: #1401079
  * KVM: x86: Don't report guest userspace emulation error to userspace
    - LP: #1401079
  * quirk for Lenovo Yoga 3: no rfkill switch
    - LP: #1401079
  * em28xx-v4l: give back all active video buffers to the vb2 core properly
    on streaming stop
    - LP: #1401079
  * mmc: sdhci-pci: SDIO host controller support for Intel Quark X1000
    - LP: #1401079
  * perf: Handle compat ioctl
    - LP: #1401079
  * crypto: caam - remove duplicated sg copy functions
    - LP: #1401079
  * audit: correct AUDIT_GET_FEATURE return message type
    - LP: #1401079
  * mac80211_hwsim: release driver when ieee80211_register_hw fails
    - LP: #1401079
  * pinctrl: dra: dt-bindings: Fix output pull up/down
    - LP: #1401079
  * memory-hotplug: Remove "weak" from memory_block_size_bytes()
    declaration
    - LP: #1401079
  * vmcore: Remove "weak" from function declarations
    - LP: #1401079
  * kgdb: Remove "weak" from kgdb_arch_pc() declaration
    - LP: #1401079
  * clocksource: Remove "weak" from clocksource_default_clock() declaration
    - LP: #1401079
  * IB/core: Clear AH attr variable to prevent garbage data
    - LP: #1401079
  * netfilter: xt_bpf: add mising opaque struct sk_filter definition
    - LP: #1401079
  * rcu: Use rcu_gp_kthread_wake() to wake up grace period kthreads
    - LP: #1401079
  * x86, x32, audit: Fix x32's AUDIT_ARCH wrt audit
    - LP: #1401079
  * ARM: dts: am335x-evm: Fix 5th NAND partition's name
    - LP: #1401079
  * ipc: always handle a new value of auto_msgmni
    - LP: #1401079
  * dell-wmi: Fix access out of memory
    - LP: #1401079
  * Linux 3.16.7-ckt2
    - LP: #1401079
  * drivers:scsi:storvsc: Fix a bug in handling ring buffer failures that
    may result in I/O freeze
    - LP: #1400289
  * sched/x86: Fix up typo in topology detection
    - LP: #1386473
  * arm64: optimized copy_to_user and copy_from_user assembly code
    - LP: #1400349
  * net:socket: set msg_namelen to 0 if msg_name is passed as NULL in
    msghdr struct from userland.
    - LP: #1335478
  * powerpc/vphn: NUMA node code expects big-endian
    - LP: #1401150
 -- Kamal Mostafa <kamal@xxxxxxxxxxxxx>   Mon, 15 Dec 2014 12:34:16 -0800

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

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

-- 
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/1396235

Title:
  Ubuntu - unable to use XMON debugger (running ppc64le on PowerVM)

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]
  Users of LE Power8 hardware might not be able to use XMON properly.

  [Test Case]
  # echo x > /proc/sysrq-trigger
  This should put us in the xmon debugger without errors.

  [Fix]
  3b8a3c01096925a824ed3272601082289d9c23a5 can be cleanly cherry-picked to 3.13/3.16. It only adds cpu_to_be32 macros which shouldn't change the behavior of BE mode CPUs.

  --

  == Comment: #0 - Laurent Dufour <laurent.dufour@xxxxxxxxxx> - 2014-11-25 10:13:17 ==
  ---Problem Description---
  Kernel fails to invoke xmon, instead print following messages

  # echo x > /proc/sysrq-trigger
  [   47.600133] SysRq : Entering xmon
  cpu 0xf: Vector: 0  at [c0000000e8603b80]
      pc: c0000000005610c0: write_sysrq_trigger+0x120/0x260
      lr: c0000000005610c0: write_sysrq_trigger+0x120/0x260
      sp: c0000000e8603ce0
     msr: 8000000000009033
    current = 0xc0000000ef4a0000
    paca    = 0xc000000007df3480   softe: 0        irq_happened: 0x00
      pid   = 2303, comm = bash
  [   47.607247] Bad kernel stack pointer fc7b4b0 at ee27cc4
  cpu 0xf: Vector: 300 (Data Access) at [c000000007f37d40]
      pc: 000000000ee27cc4
      lr: 000000000ee27c44
      sp: fc7b4b0
     msr: 8000000000001000
     dar: 10000000
   dsisr: 42000000
    current = 0xc0000000ef4a0000
    paca    = 0xc000000007df3480   softe: 0        irq_happened: 0x00
      pid   = 2303, comm = bash
  cpu 0xf: Exception 300 (Data Access) in xmon, returning to main loop
  xmon: WARNING: bad recursive fault on cpu 0xf

  ---uname output---
  N/A

  Machine Type = powervm le

  ---System Hang---
   System is hung

  ---Debugger---
  A debugger is not configured

  ---Steps to Reproduce---
   see problem description

  Stack trace output:
   no

  Oops output:
   see problem description

  System Dump Info:
    The system is not configured to capture a system dump.

  This patch has been sent upstream:
  http://patchwork.ozlabs.org/patch/413744/

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