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[Launchpad Bug Tracker <1391652@xxxxxxxxxxxxxxxxxx>]

[Expired for xorg (Ubuntu) because there has been no activity for 60
days.]

** Changed in: xorg (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1391652

Title:
  30 sec Xorg freeze - ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument
  #4 type mismatch - Found [Buffer], ACPI requires [Package]
  (20131115/nsarguments-95)

Status in xorg package in Ubuntu:
  Expired

Bug description:
  XOrg freezes for about 30 seconds and this warning is printed in the
  syslog:

  kernel: [  752.250482] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
  kernel: [  752.250740] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)

  However, the console still works while X is frozen.

  This is a Dell XPS L702X with optimus graphics.

  The freeze appears to occur randomly. 
  Using nautilus, gedit or other gtk3-programs seems to cause it happen more frequently.  Eclipse and Chromium that uses gtk2 does not seem to trigger the bug.

  There are two similar bugs:
  https://bugs.launchpad.net/ubuntu/+source/linux-lts-trusty/+bug/1362532
  https://bugs.launchpad.net/ubuntu/+source/linux-lts-saucy/+bug/1281966

  3.13.0-39-generic x86_64

  00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller])
  	Subsystem: Dell Device 04b8
  	Flags: bus master, fast devsel, latency 0, IRQ 52
  	Memory at f2400000 (64-bit, non-prefetchable) [size=4M]
  	Memory at e0000000 (64-bit, prefetchable) [size=256M]
  	I/O ports at 5000 [size=64]
  	Expansion ROM at <unassigned> [disabled]
  	Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
  	Capabilities: [d0] Power Management version 2
  	Capabilities: [a4] PCI Advanced Features
  	Kernel driver in use: i915

  
  01:00.0 VGA compatible controller: NVIDIA Corporation GF106M [GeForce GT 550M] (rev a1) (prog-if 00 [VGA controller])
  	Subsystem: Dell Device 04b8
  	Flags: bus master, fast devsel, latency 0, IRQ 51
  	Memory at f0000000 (32-bit, non-prefetchable) [size=32M]
  	Memory at c0000000 (64-bit, prefetchable) [size=256M]
  	Memory at d0000000 (64-bit, prefetchable) [size=64M]
  	I/O ports at 4000 [size=128]
  	Expansion ROM at f2000000 [disabled] [size=512K]
  	Capabilities: [60] Power Management version 3
  	Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
  	Capabilities: [78] Express Endpoint, MSI 00
  	Capabilities: [b4] Vendor Specific Information: Len=14 <?>
  	Capabilities: [100] Virtual Channel
  	Capabilities: [128] Power Budgeting <?>
  	Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 <?>
  	Kernel driver in use: nouveau

  LSB Version:	core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch:core-4.1-amd64:core-4.1-noarch:security-4.0-amd64:security-4.0-noarch:security-4.1-amd64:security-4.1-noarch
  Distributor ID:	Ubuntu
  Description:	Ubuntu 14.04.1 LTS
  Release:	14.04
  Codename:	trusty
  --- 
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  CurrentDesktop: GNOME
  DistUpgraded: Fresh install
  DistroCodename: trusty
  DistroRelease: Ubuntu 14.04
  DistroVariant: ubuntu
  DkmsStatus: virtualbox, 4.3.10, 3.13.0-39-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:04b8]
   NVIDIA Corporation GF106M [GeForce GT 550M] [10de:0dd6] (rev a1) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:04b8]
  InstallationDate: Installed on 2014-03-06 (268 days ago)
  InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64 (20140226)
  MachineType: Dell Inc. Dell System XPS L702X
  Package: xorg 1:7.7+1ubuntu8
  PackageArchitecture: amd64
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-40-generic root=/dev/mapper/ubuntu--gnome--vg-root ro quiet splash intel_pstate=enable vt.handoff=7
  ProcVersionSignature: Ubuntu 3.13.0-40.69-generic 3.13.11.10
  Tags:  trusty ubuntu
  Uname: Linux 3.13.0-40-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dialout dip lpadmin netdev plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 07/22/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A12
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 0K4H3G
  dmi.board.vendor: Dell Inc.
  dmi.board.version: FAB1
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrA12:bd07/22/2011:svnDellInc.:pnDellSystemXPSL702X:pvr:rvnDellInc.:rn0K4H3G:rvrFAB1:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Dell System XPS L702X
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.11.2+14.04.20140714-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.52-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.3-0ubuntu0.2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.3-0ubuntu0.2
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1.3
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
  xserver.bootTime: Sat Nov 29 21:57:21 2014
  xserver.configfile: default
  xserver.devices:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   
  xserver.version: 2:1.15.1-0ubuntu2.1

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