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[Bug 1389344] Re: Unlock screen is slow, drops passphrase key-presses

 

Yeah, I've noticed this some time ago... I'm sure I even filed a bug...
But can't find it now. Don't have a good explanation either. It's either
that CPU spikes after wake up (if you wait a few seconds before typing
your passcode, can you still reproduce this?)... or some of the first
input events after suspend get lost.

To try and track this down, we'd probably need to put some debugging in
place to log input events as they come in, so that you can leave your
device to suspend and grab some logs when you encounter the problem.

** Changed in: unity8 (Ubuntu)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1389344

Title:
  Unlock screen is slow, drops passphrase key-presses

Status in “unity8” package in Ubuntu:
  Triaged

Bug description:
  Pretty much every time I try to unlock my phone the first time I get the pin wrong, the pin is missing a digit.
  I type pretty quickly, but this is only on the first time of unlocking after (for example) removing my phone from my pocket.
  If I get the code wrong, and wait a second then try again, I can type at the exact same speed or faster and it's fine.
  It's like one of my key-presses are dropped.
  It's frustrating as it happens every time I unlock my phone, unless I put a deliberate pause in between each digit.

  Happy to try and catch a video of it if nobody else can reproduce.

  ProblemType: Bug
  DistroRelease: Ubuntu RTM 14.09
  Package: unity8 8.01+15.04.20141030~rtm-0ubuntu1
  Uname: Linux 3.4.67 armv7l
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: armhf
  Date: Tue Nov  4 18:01:25 2014
  InstallationDate: Installed on 2014-11-04 (0 days ago)
  InstallationMedia: Ubuntu Utopic Unicorn (development branch) - armhf (20141104-030206)
  SourcePackage: unity8
  UpgradeStatus: No upgrade log present (probably fresh install)

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References