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[Launchpad Bug Tracker <1418140@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 3.19.0-11.11

---------------
linux (3.19.0-11.11) vivid; urgency=low

  [ Andy Whitcroft ]

  * [Config] add nvme to linux-virtual as this is now used in GCE to expose
    disks
    - LP: #1415580
  * [Packaging] module-inclusion -- commonise copy code and simplify
  * [Packaging] module-inclusion -- add manual command entries
  * [Packaging] module blacklists -- add support for manual blacklists
  * [Config] re-enable OSS support and blacklist
    - LP: #1434842
  * [Config] exclude oss modules from linux-image
    - LP: #1434842
  * [Config] CONFIG_DEFAULT_MMAP_MIN_ADDR needs to match on armhf and arm64
    - LP: #1418140
  * rebase to v3.19.3

  [ Leann Ogasawara ]

  * Release Tracking Bug
    - LP: #1438852

  [ Paolo Pisati ]

  * [Config] armhf: JUMP_LABEL=y
  * [Config] armhf: ARM_KERNMEM_PERMS=y && DEBUG_RODATA=y

  [ Upstream Kernel Changes ]

  * powercap / RAPL: handle domains with different energy units
  * x86/platform, acpi: Bypass legacy PIC and PIT in ACPI hardware reduced
    mode
  * cpuidle: powernv: Read target_residency value of idle states from DT if
    available
    - LP: #1435951
  * cpuidle: powernv: Avoid endianness conversions while parsing DT
    - LP: #1435951
  * tick/broadcast-hrtimer : Fix suspicious RCU usage in idle loop
    - LP: #1435951
  * tick/hotplug: Handover time related duties before cpu offline
    - LP: #1435951
  * Input: synaptics - split synaptics_resolution(), query first
    - LP: #1414930
  * Input: synaptics - log queried and quirked dimension values
    - LP: #1414930
  * Input: synaptics - query min dimensions for fw v8.1
    - LP: #1414930
  * Input: synaptics - remove obsolete min/max quirk for X240
    - LP: #1414930
  * Input: synaptics - support min/max board id in min_max_pnpid_table
    - LP: #1414930
  * Input: synaptics - skip quirks when post-2013 dimensions
    - LP: #1414930
  * Input: synaptics - fix middle button on Lenovo 2015 products
    - LP: #1414930
  * Input: synaptics - handle spurious release of trackstick buttons
    - LP: #1414930
  * Input: synaptics - do not retrieve the board id on old firmwares
    - LP: #1414930
  * Input: synaptics - retrieve the extended capabilities in query $10
    - LP: #1414930
  * Input: synaptics - remove TOPBUTTONPAD property for Lenovos 2015
    - LP: #1414930
  * Input: synaptics - re-route tracksticks buttons on the Lenovo 2015
    series
    - LP: #1414930
  * Input: synaptics - remove X1 Carbon 3rd gen from the topbuttonpad list
    - LP: #1414930
  * Input: synaptics - remove X250 from the topbuttonpad list
    - LP: #1414930
  * ARM: 8311/1: Don't use is_module_addr in setting page attributes
  * kernel/module.c: Update debug alignment after symtable generation
  * arm64: Don't use is_module_addr in setting page attributes
  * rebase to v3.19.3
 -- Leann Ogasawara <leann.ogasawara@xxxxxxxxxxxxx>   Tue, 31 Mar 2015 11:48:41 -0700

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

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https://bugs.launchpad.net/bugs/1418140

Title:
  CONFIG_DEFAULT_MMAP_MIN_ADDR needs to match on armhf and arm64
  otherwise arm64 cannot run armhf binaries

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Trusty:
  Fix Committed
Status in linux source package in Utopic:
  Fix Committed

Bug description:
  Attempting to run 32bit binaries on arm64 triggers applications to be
  Killed, as the CONFIG_DEFAULT_MMAP_MIN_ADDR used on armhf is not valid
  on arm64.  While this can be overriden via sysctl, the default should
  be sane.

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