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[Launchpad Bug Tracker <1401488@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package mir - 0.10.0+15.04.20150107.2-0ubuntu1

---------------
mir (0.10.0+15.04.20150107.2-0ubuntu1) vivid; urgency=medium

  [ Daniel van Vugt ]
  * New upstream release 0.10.0 (https://launchpad.net/mir/+milestone/0.10.0)
    - Enhancements:
      . Added support for Android HWC 1.3 devices.
      . Plumbing/preparation to support external displays on Android devices.
      . Reduced build dependencies.
      . Client API: Added version macros.
      . Began work on automatic driver probing, to intelligently choose the
        best driver for you.
      . Demo shell (mir_proving_server): Added desktop zoom feature using
        Super + mouse wheel.
      . Demo renamed: mir_demo_server_shell -> mir_proving_server
      . Other demo servers merged into -> mir_demo_server
      . Wider support for display buffer pixel formats in the mesa driver, for
        wider hardware support.
      . Performance: On mesa/desktop at least; only hold compositor buffers
        for the duration of the render, instead of the duration of the frame.
        Following this change the compositor report can now finally report
        render time instead of frame time.
      . Mir now starts reliably when a TV is connected by HDMI, and up to
        4K resolution (2160p) is known to work.
      . Plenty more enhancements logged in the bugs list below.
    - ABI summary: Servers need rebuilding, but clients do not;
      . Mirclient ABI unchanged at 8
      . Mircommon ABI unchanged at 3
      . Mirplatform ABI bumped to 5
      . Mirserver ABI bumped to 28
    - Bug fixes:
      . [regression] Mir servers (since 0.9) randomly crash in malloc due to
        heap corruption (LP: #1401488)
      . USC - mouse cursor on AMD graphics is drawing incorrectly
        (LP: #1391975)
      . Mir fails to start when a TV is connected by HDMI
        [std::exception::what: Invalid or inconsistent display configuration]
        (LP: #1395405)
      . Input/event driven clients may freeze indefinitely (LP: #1396006)
      . Mir server crashes with "std::exception::what: Failed to get front
        buffer object" when trying to fullscreen a surface (LP: #1398296)
      . Switching windows with a Trusted Prompt Session active loses the
        trusted prompt session (LP: #1355173)
      . CI test failure in multiple tests (LP: #1401364)
      . dh_install: usr/bin/mir_demo_server exists in debian/tmp but is not
        installed to anywhere (LP: #1401365)
      . [regression] demo-shell: Instead of moving surfaces they now fly
        off-screen (LP: #1403702)
      . [regression] Binaries are no longer runnable on other machines (or in
        other directories) (LP: #1406073)
      . [i865] unity-system-compositor fails to start: Failed to choose ARGB
        EGL config (LP: #1212753)
      . Mir's compositor holds buffers (blocking clients) for the duration of
        the frame, even when not necessary. (LP: #1264934)
      . Screen goes blank (black) briefly during display config changes which
        don't affect the display mode (LP: #1274359)
      . [enhancement] There should be a quit signal sent to sessions instead
        of killing them directly (LP: #1304257)
      . MirMotionEvent.action needs stronger typing (to MirMotionAction etc)
        (LP: #1311699)
      . CompositorReport as used by DefaultDisplayBufferCompositor can't
        measure render time (LP: #1350716)
      . Full screen (bypassed) surfaces (e.g. GLMark2Test) are missing frames
        and appear to freeze or judder with swap interval 0 (LP: #1379685)
      . Trusted prompts need to be part of the lifecycle (LP: #1384950)
      . [testfail] BasicThreadPool.recycles_threads in CI (LP: #1391488)
      . acceptance_tests are too chatty (LP: #1394221)
      . mir_connection_create_surface callback is sometimes called twice on
        error (LP: #1394873)
      . File descriptor leaks in tests using UsingStubClientPlatform
        (LP: #1395762)
      . DisplayLayout resizes a surface to 1x1 if you ask it to fullscreen a
        surface that's partially offscreen (LP: #1398294)
      . Surfaces can consume input events before they're visible.
        (LP: #1400218)
      . dpkg-shlibdeps: Lots of warnings about libmirplatformstub.so
        (LP: #1401373)
      . Leaks in death tests can cause subsequent tests in the same process to
        fail (LP: #1402160)
      . [regression] lintian: E: mir-demos: binary-or-shlib-defines-rpath ...
        (LP: #1406098)
      . [regression] Mir utils can't run from the build tree any more
        (LP: #1407557)
      . fd reception code is not exeception-safe when unexpected numbers of
        fds are received (LP: #1394362)
      . Mir reports vertical refresh rates slightly inaccurately (LP: #1407558)
      . [Enhancement] Add an API to lock surface orientation (LP: #1382209)
      . Bootloop with system language Turkish on the Nexus 4 (LP: #1398984)
      . Remove the implicit assumption that there every surface can be mapped
        to an input handle. (LP: #1216727)
      . When revealing hidden surfaces wait for them to become exposed before
        sending events which we expect them to receive (LP: #1407783)

  [ Ubuntu daily release ]
  * New rebuild forced
 -- Ubuntu daily release <ps-jenkins@xxxxxxxxxxxxxxxxxxx>   Wed, 07 Jan 2015 23:50:16 +0000

** Changed in: mir (Ubuntu)
       Status: Triaged => Fix Released

-- 
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https://bugs.launchpad.net/bugs/1401488

Title:
  [regression] Mir servers (since 0.9) randomly crash in malloc due to
  heap corruption

Status in The "G" Library - GLib:
  New
Status in Mir:
  Fix Committed
Status in Mir 0.9 series:
  Triaged
Status in glib2.0 package in Ubuntu:
  Triaged
Status in mir package in Ubuntu:
  Fix Released

Bug description:
  This happens randomly when using the phone

  ProblemType: Crash
  DistroRelease: Ubuntu 15.04
  Package: unity-system-compositor 0.0.5+15.04.20141204-0ubuntu1
  Uname: Linux 3.4.67 armv7l
  ApportVersion: 2.14.7-0ubuntu10
  Architecture: armhf
  AssertionMessage: *** Error in `unity-system-compositor': corrupted double-linked list: 0xaa817808 ***
  CrashCounter: 1
  Date: Wed Dec 10 19:28:35 2014
  ExecutablePath: /usr/sbin/unity-system-compositor
  ExecutableTimestamp: 1417733344
  GraphicsCard:
   
  InstallationDate: Installed on 2014-12-11 (0 days ago)
  InstallationMedia: Ubuntu Vivid Vervet (development branch) - armhf (20141211-020204)
  ProcCmdline: unity-system-compositor --disable-overlays=false --spinner=/usr/bin/unity-system-compositor-spinner --file /run/mir_socket --from-dm-fd 9 --to-dm-fd 13 --vt 1
  ProcCwd: /
  ProcEnviron:
   
  Signal: 6
  SourcePackage: unity-system-compositor
  StacktraceTop:
   __libc_message (do_abort=<optimized out>, fmt=0xb68e3628 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
   malloc_printerr (action=1, str=0xb68e366c "corrupted double-linked list", ptr=<optimized out>) at malloc.c:4996
   malloc_consolidate (av=av@entry=0xaa800010) at malloc.c:4165
   _int_malloc (av=av@entry=0xaa800010, bytes=bytes@entry=1264) at malloc.c:3423
   __GI___libc_malloc (bytes=1264) at malloc.c:2891
  Title: unity-system-compositor assert failure: *** Error in `unity-system-compositor': corrupted double-linked list: 0xaa817808 ***
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  version.libdrm: libdrm2 2.4.58-2
  version.lightdm: lightdm 1.13.0-0ubuntu2
  version.mesa: libegl1-mesa-dev N/A

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