dx-packages team mailing list archive

[Robert Bruce Park <robert.park@xxxxxxxxxxxxx>]

Public bug reported:

Ok, so since the new lockscreen landed in Trusty, I've been observing
inconsistent behavior with the power settings on my screens. I managed
to do a little bit of troubleshooting and this is what I discovered:

My power settings are set such that the screens turn off prior to the
screen locking (5 minutes and 10 minutes respectively but I don't think
the times are relevant). If I walk away from my computer and leave it
unlocked, the screens will successfully power down, and the next time I
come back then the lock screen will appear when I wake up the screens.
This part is good.

If I type Ctrl-Alt-L, the screen locks, but it keeps the screens on,
even for extended periods of time (eg, overnight. On several occaisions
I've locked my screen, gone to bed, and then woken up to discover both
my screens powered on at maximum brightness just displaying that sexy
lockscreen).

Oddly, when I unlock the screens in this state, what will happen is that
just a few seconds after unlocking, some kind of timer will trigger and
say "oh yeah, time to power down the screens!" so even though I *just
unlocked my desktop*, both screens power down for about 5 seconds and
then turn back on, and *then* they "fade to black" and snap back to
maximum brightness. It's very discordant.

So, the workaround for me is "don't lock the screen", and that's
probably fine at home, but obviously that's not a viable solution in any
kind of security context, eg in an office.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: unity 7.1.2+14.04.20140313-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
Uname: Linux 3.13.0-17-generic x86_64
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CurrentDesktop: Unity
Date: Sat Mar 15 10:56:14 2014
InstallationDate: Installed on 2013-12-06 (99 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
SourcePackage: unity
UpgradeStatus: Upgraded to trusty on 2013-12-06 (99 days ago)

** Affects: unity (Ubuntu)
     Importance: Undecided
     Assignee: Stephen M. Webb (bregma)
         Status: New


** Tags: amd64 apport-bug third-party-packages trusty

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https://bugs.launchpad.net/bugs/1292935

Title:
  New Lockscreen inhibits putting the screens to sleep.

Status in “unity” package in Ubuntu:
  New

Bug description:
  Ok, so since the new lockscreen landed in Trusty, I've been observing
  inconsistent behavior with the power settings on my screens. I managed
  to do a little bit of troubleshooting and this is what I discovered:

  My power settings are set such that the screens turn off prior to the
  screen locking (5 minutes and 10 minutes respectively but I don't
  think the times are relevant). If I walk away from my computer and
  leave it unlocked, the screens will successfully power down, and the
  next time I come back then the lock screen will appear when I wake up
  the screens. This part is good.

  If I type Ctrl-Alt-L, the screen locks, but it keeps the screens on,
  even for extended periods of time (eg, overnight. On several
  occaisions I've locked my screen, gone to bed, and then woken up to
  discover both my screens powered on at maximum brightness just
  displaying that sexy lockscreen).

  Oddly, when I unlock the screens in this state, what will happen is
  that just a few seconds after unlocking, some kind of timer will
  trigger and say "oh yeah, time to power down the screens!" so even
  though I *just unlocked my desktop*, both screens power down for about
  5 seconds and then turn back on, and *then* they "fade to black" and
  snap back to maximum brightness. It's very discordant.

  So, the workaround for me is "don't lock the screen", and that's
  probably fine at home, but obviously that's not a viable solution in
  any kind of security context, eg in an office.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: unity 7.1.2+14.04.20140313-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
  Uname: Linux 3.13.0-17-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CurrentDesktop: Unity
  Date: Sat Mar 15 10:56:14 2014
  InstallationDate: Installed on 2013-12-06 (99 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  SourcePackage: unity
  UpgradeStatus: Upgraded to trusty on 2013-12-06 (99 days ago)

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