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[aljosa <aljosa@xxxxxxxxxxxxxxxxxxxxxxxx>]

Problem is present also in Ubuntu 14.04.2 and here you can find dmesg
output with kernel 4.0-rc4:

http://paste.ubuntu.com/10614968

** Tags added: kernel-bug-exists-upstream

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https://bugs.launchpad.net/bugs/1435255

Title:
  Ubuntu 15.04: Multiple ACPI errors on Asus notebook

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  LiveUSB environment (daily-live 23-Mar-2015)
  Asus optimus notebook X750JN-TY027H (Intel® Core™ i7-4710HQ; RAM 8GB; Nvidia GeForce GT 840M)

  Hello,
  I have received an expert's opinion that most probably they have nothing to do with the Elantech touchpad bug (https://bugzilla.kernel.org/show_bug.cgi?id=94981), so in order to contribute to quality improvement of the new Ubuntu 15.04, I'm reporting a problem I found in this "beta" version - related to mutliple ACPI warnings and errors. Here's an example:

  [    6.436162] ACPI Warning: \_SB_.PCI0.GFX0._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95)
  [    6.436200] ACPI Warning: \_SB_.PCI0.GFX0._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95)
  [    6.436267] i915 0000:00:02.0: optimus capabilities: enabled, status dynamic power, 
  [    6.436282] ACPI Warning: \_SB_.PCI0.P0PA.VGA_._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95)
  [    6.436311] ACPI Warning: \_SB_.PCI0.P0PA.VGA_._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20141107/nsarguments-95)

  [    6.343478] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x000000008) is beyond end of object (length 0x1) (20141107/exoparg2-420)
  [    6.343481] ACPI Error: Method parse/execution failed [\_SB_.XPLD] (Node ffff8802274c2aa0), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.343484] ACPI Error: Method parse/execution failed [\_SB_.PCI0.XHC_.RHUB.HS02._PLD] (Node ffff8802274c1a28), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.343673] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x000000008) is beyond end of object (length 0x1) (20141107/exoparg2-420)
  [    6.343675] ACPI Error: Method parse/execution failed [\_SB_.XPLD] (Node ffff8802274c2aa0), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.343678] ACPI Error: Method parse/execution failed [\_SB_.PCI0.XHC_.RHUB.HS04._PLD] (Node ffff8802274c1bb8), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.343765] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x000000008) is beyond end of object (length 0x1) (20141107/exoparg2-420)
  [    6.343767] ACPI Error: Method parse/execution failed [\_SB_.XPLD] (Node ffff8802274c2aa0), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.343769] ACPI Error: Method parse/execution failed [\_SB_.PCI0.XHC_.RHUB.HS05._PLD] (Node ffff8802274c1c80), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.343856] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x000000008) is beyond end of object (length 0x1) (20141107/exoparg2-420)
  [    6.343858] ACPI Error: Method parse/execution failed [\_SB_.XPLD] (Node ffff8802274c2aa0), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.343860] ACPI Error: Method parse/execution failed [\_SB_.PCI0.XHC_.RHUB.HS06._PLD] (Node ffff8802274c1d48), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.343947] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x000000008) is beyond end of object (length 0x1) (20141107/exoparg2-420)
  [    6.343949] ACPI Error: Method parse/execution failed [\_SB_.XPLD] (Node ffff8802274c2aa0), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.343951] ACPI Error: Method parse/execution failed [\_SB_.PCI0.XHC_.RHUB.HS07._PLD] (Node ffff8802274c1e10), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.344038] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x000000008) is beyond end of object (length 0x1) (20141107/exoparg2-420)
  [    6.344039] ACPI Error: Method parse/execution failed [\_SB_.XPLD] (Node ffff8802274c2aa0), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.344042] ACPI Error: Method parse/execution failed [\_SB_.PCI0.XHC_.RHUB.HS08._PLD] (Node ffff8802274c1ed8), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.344128] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x000000008) is beyond end of object (length 0x1) (20141107/exoparg2-420)
  [    6.344130] ACPI Error: Method parse/execution failed [\_SB_.XPLD] (Node ffff8802274c2aa0), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.344132] ACPI Error: Method parse/execution failed [\_SB_.PCI0.XHC_.RHUB.HS09._PLD] (Node ffff8802274c1fa0), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.344219] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x000000008) is beyond end of object (length 0x1) (20141107/exoparg2-420)
  [    6.344221] ACPI Error: Method parse/execution failed [\_SB_.XPLD] (Node ffff8802274c2aa0), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.344224] ACPI Error: Method parse/execution failed [\_SB_.PCI0.XHC_.RHUB.HS10._PLD] (Node ffff8802274c2078), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.344311] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x000000008) is beyond end of object (length 0x1) (20141107/exoparg2-420)
  [    6.344313] ACPI Error: Method parse/execution failed [\_SB_.XPLD] (Node ffff8802274c2aa0), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.344315] ACPI Error: Method parse/execution failed [\_SB_.PCI0.XHC_.RHUB.HS11._PLD] (Node ffff8802274c2140), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.344402] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x000000008) is beyond end of object (length 0x1) (20141107/exoparg2-420)
  [    6.344404] ACPI Error: Method parse/execution failed [\_SB_.XPLD] (Node ffff8802274c2aa0), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.344406] ACPI Error: Method parse/execution failed [\_SB_.PCI0.XHC_.RHUB.HS12._PLD] (Node ffff8802274c2208), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.344494] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x000000008) is beyond end of object (length 0x1) (20141107/exoparg2-420)
  [    6.344496] ACPI Error: Method parse/execution failed [\_SB_.XPLD] (Node ffff8802274c2aa0), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.344498] ACPI Error: Method parse/execution failed [\_SB_.PCI0.XHC_.RHUB.HS13._PLD] (Node ffff8802274c22d0), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.344585] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x000000008) is beyond end of object (length 0x1) (20141107/exoparg2-420)
  [    6.344586] ACPI Error: Method parse/execution failed [\_SB_.XPLD] (Node ffff8802274c2aa0), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)
  [    6.344589] ACPI Error: Method parse/execution failed [\_SB_.PCI0.XHC_.RHUB.HS14._PLD] (Node ffff8802274c2398), AE_AML_PACKAGE_LIMIT (20141107/psparse-536)

  [    6.755465] ACPI Error: Field [CMDX] at 224 exceeds Buffer [SCBF] size 168 (bits) (20141107/dsopcode-236)
  [    6.755469] ACPI Error: Method parse/execution failed [\GTFB] (Node ffff8802274f0370), AE_AML_BUFFER_LIMIT (20141107/psparse-536)
  [    6.755472] ACPI Error: Method parse/execution failed [\_SB_.PCI0.SAT0.SPT4._GTF] (Node ffff8802274f0618), AE_AML_BUFFER_LIMIT (20141107/psparse-536)
  [    6.755474] ata5.00: _GTF evaluation failed (AE 0x300a)

  [    6.759537] ACPI Error: Field [CMDX] at 224 exceeds Buffer [SCBF] size 168 (bits) (20141107/dsopcode-236)
  [    6.759542] ACPI Error: Method parse/execution failed [\GTFB] (Node ffff8802274f0370), AE_AML_BUFFER_LIMIT (20141107/psparse-536)
  [    6.759545] ACPI Error: Method parse/execution failed [\_SB_.PCI0.SAT0.SPT4._GTF] (Node ffff8802274f0618), AE_AML_BUFFER_LIMIT (20141107/psparse-536)
  [    6.759547] ata5.00: _GTF evaluation failed (AE 0x300a)

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-9-generic 3.19.0-9.9
  ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1
  Uname: Linux 3.19.0-9-generic x86_64
  ApportVersion: 2.16.2-0ubuntu4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     3345 F.... pulseaudio
   /dev/snd/controlC1:  ubuntu     3345 F.... pulseaudio
  CasperVersion: 1.355
  CurrentDesktop: Unity
  Date: Mon Mar 23 10:09:10 2015
  LiveMediaBuild: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150323)
  MachineType: ASUSTeK COMPUTER INC. X750JN
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/username.seed boot=casper quiet splash --- cdrom-detect/try-usb=true noprompt persistent
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-9-generic N/A
   linux-backports-modules-3.19.0-9-generic  N/A
   linux-firmware                            1.143
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/06/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: X750JN.205
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: X750JN
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX750JN.205:bd10/06/2014:svnASUSTeKCOMPUTERINC.:pnX750JN:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX750JN:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: X750JN
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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