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[Launchpad Bug Tracker <1355196@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 3.16.0-13.19

---------------
linux (3.16.0-13.19) utopic; urgency=low

  [ Tim Gardner ]

  * Release Tracking Bug
    - LP: #1365611
  * [Config] CONFIG_HAVE_KVM_IRQFD=y
    - LP: #1362514

  [ Paolo Pisati ]

  * [Config] armhf: SERIAL_SAMSUNG_CONSOLE=y
  * [Config] armhf: USB_[E|O]HCI_EXYNOS=y && SAMSUNG_USBPHY=y

  [ Upstream Kernel Changes ]

  * KVM: Don't keep reference to irq routing table in irqfd struct
    - LP: #1362514
  * KVM: irqchip: Provide and use accessors for irq routing table
    - LP: #1362514
  * KVM: Move all accesses to kvm::irq_routing into irqchip.c
    - LP: #1362514
  * KVM: Move irq notifier implementation into eventfd.c
    - LP: #1362514
  * KVM: prepare for KVM_(S|G)ET_MP_STATE on other architectures
    - LP: #1362514
  * KVM: PPC: Book3S: Controls for in-kernel sPAPR hypercall handling
    - LP: #1362514
  * KVM: Rename and add argument to check_extension
    - LP: #1362514
  * KVM: Allow KVM_CHECK_EXTENSION on the vm fd
    - LP: #1362514
  * KVM: Give IRQFD its own separate enabling Kconfig option
    - LP: #1362514
  * KVM: PPC: Enable IRQFD support for the XICS interrupt controller
    - LP: #1362514
  * KVM: PPC: Book3s PR: Disable AIL mode with OPAL
    - LP: #1362514
  * KVM: PPC: Book3s HV: Fix tlbie compile error
    - LP: #1362514
  * KVM: PPC: Book3S PR: Handle hyp doorbell exits
    - LP: #1362514
  * KVM: PPC: Book3S HV: Fix ABIv2 indirect branch issue
    - LP: #1362514
  * KVM: PPC: Book3S PR: Fix sparse endian checks
    - LP: #1362514
  * PPC: Add asm helpers for BE 32bit load/store
    - LP: #1362514
  * KVM: PPC: Book3S HV: Make HTAB code LE host aware
    - LP: #1362514
  * KVM: PPC: Book3S HV: Access guest VPA in BE
    - LP: #1362514
  * KVM: PPC: Book3S HV: Access host lppaca and shadow slb in BE
    - LP: #1362514
  * KVM: PPC: Book3S HV: Access XICS in BE
    - LP: #1362514
  * KVM: PPC: Book3S HV: Fix ABIv2 on LE
    - LP: #1362514
  * KVM: PPC: Book3S HV: Enable for little endian hosts
    - LP: #1362514
  * staging/lustre: disable virtual block device for 64K pages
  * drm/i915: read HEAD register back in init_ring_common() to enforce
    ordering
    - LP: #1355196
 -- Tim Gardner <tim.gardner@xxxxxxxxxxxxx>   Tue, 02 Sep 2014 19:07:50 -0400

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

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https://bugs.launchpad.net/bugs/1355196

Title:
  compiz fails with intel_do_flush_locked failed: Invalid argument

Status in “linux” package in Ubuntu:
  Fix Released
Status in “xserver-xorg-video-intel” package in Ubuntu:
  Invalid

Bug description:
  Recent upgrade and reboot/re-login left me with a generally unusable compiz/unity.
  On login, the desktop icons move back and forth several times, I believe this correlates with ~/.xesssion-errors 'unity main process ended' messages like:
  upstart: unity7 main process (7477) terminated with status 1
  upstart: unity7 main process ended, respawning
  upstart: unity7 main process (7910) terminated with status 1
  upstart: unity7 main process ended, respawning
  upstart: unity7 main process (7939) terminated with status 1

  
  Further investigation showed that compiz was failing to start.  Attempting to start it by hand shows:
    intel_do_flush_locked failed: Invalid argument

  Those same messages appear in ~/.cache/upstart/unity7.log.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: unity 7.3.0+14.10.20140731.1-0ubuntu1
  ProcVersionSignature: Ubuntu 3.16.0-6.11-generic 3.16.0-rc7
  Uname: Linux 3.16.0-6-generic x86_64
  ApportVersion: 2.14.5-0ubuntu4
  Architecture: amd64
  CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,snap,commands,mousepoll,grid,move,place,imgpng,session,vpswitch,resize,regex,gnomecompat,unitymtgrabhandles,wall,resizeinfo,animation,workarounds,fade,scale,expo,ezoom,unityshell]
  CurrentDesktop: Unity
  Date: Mon Aug 11 09:53:07 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2011-10-19 (1027 days ago)
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  SourcePackage: unity
  UpgradeStatus: Upgraded to utopic on 2013-05-20 (448 days ago)
  --- 
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.14.6-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  smoser     4190 F.... pulseaudio
  CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,snap,commands,mousepoll,grid,move,place,imgpng,session,vpswitch,resize,regex,gnomecompat,unitymtgrabhandles,wall,resizeinfo,animation,workarounds,fade,scale,expo,ezoom,unityshell]
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  DistUpgraded: 2013-05-20 08:14:41,880 DEBUG openCache()
  DistroCodename: utopic
  DistroRelease: Ubuntu 14.10
  DistroVariant: ubuntu
  EcryptfsInUse: Yes
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GraphicsCard:
   Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:20e4]
     Subsystem: Lenovo Device [17aa:20e4]
  InstallationDate: Installed on 2011-10-19 (1034 days ago)
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  MachineType: LENOVO 7417CTO
  Package: xserver-xorg-video-intel 2:2.99.914-1~exp1ubuntu1
  PackageArchitecture: amd64
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-6-generic root=UUID=f9832678-e9fb-41c5-8edb-5edd5200ed0a ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.16.0-6.11-generic 3.16.0-rc7
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-6-generic N/A
   linux-backports-modules-3.16.0-6-generic  N/A
   linux-firmware                            1.132
  Tags:  utopic utopic ubuntu regression reproducible compiz-0.9
  Uname: Linux 3.16.0-6-generic x86_64
  UpgradeStatus: Upgraded to utopic on 2013-05-20 (456 days ago)
  UserGroups: adm admin cdrom dialout fuse kvm libvirtd lpadmin plugdev sambashare sbuild
  _MarkForUpload: True
  dmi.bios.date: 10/17/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 7UET94WW (3.24 )
  dmi.board.name: 7417CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr7UET94WW(3.24):bd10/17/2012:svnLENOVO:pn7417CTO:pvrThinkPadT400:rvnLENOVO:rn7417CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 7417CTO
  dmi.product.version: ThinkPad T400
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.12+14.10.20140812-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.56-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.2.5-1ubuntu2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.2.5-1ubuntu2
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu9
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.914-1~exp1ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
  xserver.bootTime: Fri Aug 15 14:29:34 2014
  xserver.configfile: default
  xserver.errors:
   intel: Failed to load module "dri3" (module does not exist, 0)
   intel: Failed to load module "present" (module does not exist, 0)
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                               16435 
   vendor                                     LEN
  xserver.version: 2:1.15.1-0ubuntu9

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