kernel-packages team mailing list archive

[Timo Harmonen <1431713@xxxxxxxxxxxxxxxxxx>]

This started after 3.19 kernel update.

I tested this with 4.0.0-040000rc4, 3.18.9-031809 and the default
3.19.0-10. The problem is only in 3.19 kernel.


** Tags added: kernel-fixed-upstream

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https://bugs.launchpad.net/bugs/1431713

Title:
  After reboot root partition password prompt is displayed on laptop
  screen even when connected to external display

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Lenovo t440s with encrypted root partition, connected to Lenovo
  docking station and attached to DELL monitor. Restart the system
  laptop lid closed.

  Shutdown and restart: Boot time screen and encrypted partition
  password prompt are correctly shown on monitor.

  Reboot: Boot time screen and encrypted partition password prompt are
  shown on laptop screen, not on monitor. External display wakes up only
  when the login prompt is displayed.

  Attached shutdown.dmesg and reboot.dmesg respectively.

  
  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: systemd 219-4ubuntu5
  ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1
  Uname: Linux 3.19.0-9-generic x86_64
  ApportVersion: 2.16.2-0ubuntu2
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Fri Mar 13 09:36:46 2015
  InstallationDate: Installed on 2015-03-07 (5 days ago)
  InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Alpha amd64 (20150304)
  MachineType: LENOVO 20AQ007SMS
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-9-generic root=/dev/mapper/ubuntu--gnome--vg-root ro quiet splash vt.handoff=7
  SourcePackage: systemd
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/10/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GJET71WW (2.21 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20AQ007SMS
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50510 PRO
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrGJET71WW(2.21):bd02/10/2014:svnLENOVO:pn20AQ007SMS:pvrThinkPadT440s:rvnLENOVO:rn20AQ007SMS:rvrSDK0E50510PRO:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20AQ007SMS
  dmi.product.version: ThinkPad T440s
  dmi.sys.vendor: LENOVO

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