desktop-packages team mailing list archive

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

lxg, thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command, as it will automatically gather debugging information, in a terminal:
apport-collect -p linux 1456531

When reporting bugs in the future please use apport by using 'ubuntu-
bug' and the name of the package affected. You can learn more about this
functionality at https://wiki.ubuntu.com/ReportingBugs.

** Package changed: xserver-xorg-video-intel (Ubuntu) => linux (Ubuntu)

** Changed in: linux (Ubuntu)
   Importance: Undecided => Low

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

-- 
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https://bugs.launchpad.net/bugs/1456531

Title:
  LightDM (?) blank/white screen after resume from suspend

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  On Xubuntu 15.04, when I suspend the machine and resume afterwards,
  the screen remains completely white/blank. I can move the mouse
  cursor, but I don't see any screen elements. Clicking or wildly
  pressing keys doesn't do anything.

  I can switch to a different console with Ctrl+Alt+F1 and log in, just
  fine.

  For this bug report, I have removed all files from /var/log/lightdm,
  then rebooted, suspended, resumed, and switched to VT1. Then copied
  the /var/log/lightdm files to a different location. See their contents
  attached to this bug report.

  Other parameters:

  - Simply locking and unlocking the screen works, ALTHOUGH I also see
  the white screen there at first, and have to click a mouse button for
  the login form to show up.

  - I'm running a system with a fully encrypted hard-drive and have
  configured LightDM to log me in automatically.

  - System is up-to-date.

  - No experimental packages, although I had an experimental version of
  xserver-xorg-video-intel running, but removed it shortly after.

  - System is a Thinkpad T450s with Intel HD 5500 graphics.

  Hope I didn't forget to mention anything important. If you need more
  information or want me to try something, let me know.

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