kernel-packages team mailing list archive

["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

nadrimajstor, thank you for taking the time to report this bug and
helping to make Ubuntu better. However, I am closing it because the bug
has been fixed in the latest development version of Ubuntu - Saucy
Salamander.

This is a significant bug in Ubuntu. If you need a fix for the bug in
previous versions of Ubuntu, please do steps 1 and 2 of the SRU
Procedure [1] to bring the need to a developer's attention.

[1]: https://wiki.ubuntu.com/StableReleaseUpdates#Procedure

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

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https://bugs.launchpad.net/bugs/1153627

Title:
  Kernel hangs while booting if there is a monitor connected to DP2

Status in “linux” package in Ubuntu:
  Fix Released

Bug description:
  I'm trying triple monitor configuration on HD4000:
   - 1650x1050 on VGA1
   - 1920x1080 on DP2
   - 1920x1080 on DP3

  Kernel hangs on boot if there is a monitor attached to DP2.

  If I attach monitor after boot, changing resolution on DP2 one CPU
  core becomes 100% busy with continuous errors:

  [drm:intel_dp_start_link_train], training pattern 1 signal levels 00000000
  [drm:intel_dp_start_link_train], training pattern 1 signal levels 02000000
  [drm:intel_dp_start_link_train], training pattern 1 signal levels 04000000

  BTW, Same triple monitor configuration works fine in Windows 7 so I
  assume that hardware is ok.

  Please advise what can be done next?

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.5.0-25-generic 3.5.0-25.39~precise1
  ProcVersionSignature: Ubuntu 3.5.0-25.39~precise1-generic 3.5.7.4
  Uname: Linux 3.5.0-25-generic i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.0.1-0ubuntu17.1
  Architecture: i386
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: [Errno 2] No such file or directory
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Card0.Amixer.info: Error: [Errno 2] No such file or directory
  Card0.Amixer.values: Error: [Errno 2] No such file or directory
  Date: Mon Feb  6 15:34:43 2012
  IwConfig: Error: [Errno 2] No such file or directory
  Lspci: Error: [Errno 2] No such file or directory
  MachineType: ICP/iEi B207
  MarkForUpload: True
  PciMultimedia:

  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-25-generic root=UUID=0cccb37a-5761-45a8-b9db-1e5f6eebbb80 ro drm.debug=0x06
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-25-generic N/A
   linux-backports-modules-3.5.0-25-generic  N/A
   linux-firmware                            1.79.2
  RfKill: Error: [Errno 2] No such file or directory
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/10/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 4.6.5
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: B207
  dmi.board.vendor: ICP/iEi
  dmi.board.version: V1.0
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd12/10/2012:svnICP/iEi:pnB207:pvrV1.0:rvnICP/iEi:rnB207:rvrV1.0:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: B207
  dmi.product.version: V1.0
  dmi.sys.vendor: ICP/iEi

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