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[Bug 1315369] Re: Log in not available after lock screen with multi-monitor

 

Hi Maarten - happy to do that, but I need more explicit instructions.

Also, I've now seen this happen twice under slightly different
circumstances. When I first reported this, I was referring to a
situation in which my screen automatically locks after inactivity.  To
avoid that, I have now changed it so that it doesn't lock, but it does
turn off after inactivity and am getting the same behaviour (i.e,.
external monitor black, can't do anything on laptop, unplugging monitor
makes both go black).  I've now had to change to neither lock nor turn
off after inactivity in order to maintain a functional system, but
obviously this isn't an ideal config.

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https://bugs.launchpad.net/bugs/1315369

Title:
  Log in not available after lock screen with multi-monitor

Status in Unity:
  Incomplete
Status in “linux” package in Ubuntu:
  Incomplete
Status in “unity” package in Ubuntu:
  Incomplete
Status in “linux” source package in Trusty:
  Confirmed
Status in “unity” source package in Trusty:
  New

Bug description:
  After the screen locks I am unable to log back in because the screen
  with the login prompt is black, and the screen on my laptop just shows
  the Ubuntu logo.

  Furthermore, if I then unplug the external monitor (in an attempt to
  force the log in option to be displayed on the laptop)  the laptop
  screen then goes black and I can't do anything at all.

  I can't reproduce this if I select "lock screen" from the UI, but it
  happens reliably if it locks due to inactivity.

  Other info:
  - I am running a fresh install of 14.04
  - I have it set to lock after 5 min of inactivity, and require login after lock
  - I have an external monitor, configured to be on the left side of the laptop screen
  --- 
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  jane       2184 F.... pulseaudio
   /dev/snd/controlC0:  jane       2184 F.... pulseaudio
  CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=61f52096-031e-4e3d-b1ae-e504b3b3edec
  InstallationDate: Installed on 2014-05-01 (20 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417)
  MachineType: Dell Inc. Dell System XPS L321X
  Package: unity 7.2.0+14.04.20140416-0ubuntu1
  PackageArchitecture: i386
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-24-generic root=/dev/mapper/ubuntu--vg-root ro persistent quiet splash
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-24-generic N/A
   linux-backports-modules-3.13.0-24-generic  N/A
   linux-firmware                             1.127
  Tags:  trusty trusty
  Uname: Linux 3.13.0-24-generic i686
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 04/09/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A04
  dmi.board.name: 085X6F
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrA04:bd04/09/2012:svnDellInc.:pnDellSystemXPSL321X:pvr:rvnDellInc.:rn085X6F:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Dell System XPS L321X
  dmi.sys.vendor: Dell Inc.

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