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[Launchpad Bug Tracker <1415562@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 3.19.0-7.7

---------------
linux (3.19.0-7.7) vivid; urgency=low

  [ Andy Whitcroft ]

  * Release Tracking Bug
    - LP: #1426013

  [ Upstream Kernel Changes ]

  * x86/irq: Fix regression caused by commit b568b8601f05
  * cxl: Fix leaking interrupts if attach process fails
    - LP: #1415102
  * cxl: Early return from cxl_handle_fault for a shut down context
    - LP: #1415102
  * cxl: Disable AFU debug flag
    - LP: #1415102
  * cxl: Disable SPAP register when freeing SPA
    - LP: #1415102
  * cxl: remove redundant increment of hwirq
    - LP: #1415102
  * cxl: Add tracepoints
    - LP: #1415102
  * cxl: Update CXL ABI documentation
    - LP: #1415102
  * cxl: Use image state defaults for reloading FPGA
    - LP: #1415102
  * cxl: Add image control to sysfs
    - LP: #1415102
  * cxl: Enable CAPP recovery
    - LP: #1415102
  * cxl: Add ability to reset the card
    - LP: #1415102
  * cxl: Fix device_node reference counting
    - LP: #1415102
  * cxl: Export optional AFU configuration record in sysfs
    - LP: #1415102
  * cxl: Fail AFU initialisation if an invalid configuration record is
    found
    - LP: #1415102
  * cxl: Add missing return statement after handling AFU errror
    - LP: #1415102
  * powerpc/eeh: Introduce flag EEH_PE_REMOVED
    - LP: #1415102
  * powerpc/eeh: Allow to set maximal frozen times
    - LP: #1415102
  * HID: i2c-hid: Limit reads to wMaxInputLength bytes for input events
 -- Andy Whitcroft <apw@xxxxxxxxxxxxx>   Thu, 26 Feb 2015 16:00:18 +0000

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

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https://bugs.launchpad.net/bugs/1415562

Title:
  [Ubuntu 15.04] Support firmware assisted dump on ppc64le

Status in linux package in Ubuntu:
  Fix Released
Status in makedumpfile package in Ubuntu:
  Fix Released

Bug description:
  Starting from POWER6, the firmware now has a capability to preserve
  the partition memory dump during system crash and boot into a fresh
  copy of the kernel with fully-reset system. This feature adds the
  necessary support to exploit the dump capture capability provided by
  Power firmware.  With this feature support, the production kernel will
  register for firmware-assisted dump using RTAS (Runtime Abstraction
  Service) calls and builds required ELF header which then gets exported
  through '/proc/vmcore' in the second kernel after crash.  This feature
  improves Power serviceability by making it more robust compared to
  current kdump mechanism on Linux.

  Ubuntu 15.04 kernel already includes the necessary code for fadump.
  The only kernel change needed is to enable CONFIG_FA_DUMP in the
  kernel configuration. In addition, an update is needed for a script in
  kdump-tools package.

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