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[Bug 1525615] Lsusb.txt

 

apport information

** Attachment added: "Lsusb.txt"
   https://bugs.launchpad.net/bugs/1525615/+attachment/4538691/+files/Lsusb.txt

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https://bugs.launchpad.net/bugs/1525615

Title:
  Ubuntu not booting on iMac 5K with ACPI enabled

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  With a 27in 5k ( new as of two weeks ago) I'm unable to boot. The
  applies to both the live installer and a system installed on disk. I
  just get a blank screen. It gives a blank screen event if the "quiet"
  is removed from the kernel parameters. The system has a 250G SSD. I'm
  using the Kubutu live installer for Wily off a USB stick.

  WORKAROUND: Use kernel parameters:
  acpi=off nomodeset

  ---
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: KDE
  DistroRelease: Ubuntu 15.10
  InstallationDate: Installed on 2015-12-08 (9 days ago)
  InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  Package: linux (not installed)
  Tags:  wily
  Uname: Linux 4.4.0-040400rc5-generic x86_64
  UnreportableReason: The running kernel is not an Ubuntu kernel
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  --- 
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  toivo      1330 F.... pulseaudio
   /dev/snd/controlC1:  toivo      1330 F.... pulseaudio
  DistroRelease: Ubuntu 15.10
  InstallationDate: Installed on 2015-12-08 (14 days ago)
  InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  MachineType: Apple Inc. iMac17,1
  Package: linux (not installed)
  ProcEnviron:
   LANGUAGE=en_AU:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_AU.UTF-8
   SHELL=/usr/bin/zsh
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-21-generic.efi.signed root=UUID=0751bb9a-8e2b-439a-aca9-e29cf2dadb77 ro persistent acpi=off nomodeset
  ProcVersionSignature: Ubuntu 4.2.0-21.25-generic 4.2.6
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-21-generic N/A
   linux-backports-modules-4.2.0-21-generic  N/A
   linux-firmware                            1.149.3
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  Tags:  wily
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  Uname: Linux 4.2.0-21-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 10/09/2015
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: IM171.88Z.0105.B04.1510091442
  dmi.board.name: Mac-65CE76090165799A
  dmi.board.vendor: Apple Inc.
  dmi.board.version: iMac17,1
  dmi.chassis.type: 9
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-65CE76090165799A
  dmi.modalias: dmi:bvnAppleInc.:bvrIM171.88Z.0105.B04.1510091442:bd10/09/2015:svnAppleInc.:pniMac17,1:pvr1.0:rvnAppleInc.:rnMac-65CE76090165799A:rvriMac17,1:cvnAppleInc.:ct9:cvrMac-65CE76090165799A:
  dmi.product.name: iMac17,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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