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[Bug 1360593] [NEW] unity8 freezes randomly

 

Public bug reported:

krillin #205

[Sorry for the poor description]

On krillin UI freeze randomly. For example on the screenshot it occurred
while dragging the greeter to unlock the phone. I was playing music,
woke up the phone with the power button to turn the display off and did
a right edge swipe to remove the greeter.

This has been reported by several people in the past days, but I didn't
find a pattern to reproduce this bug reliably.

There is no crash in /var/crash and no apport activity.
If I press the power button to turn the screen off/on again, the greeter is completely displayed (ie. doesn't cover half of the screen like the screenshot) but the UI is not responsive to gestures or input events.

top doesn't show any specific process going crazy

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: unity8 8.00+14.10.20140822-0ubuntu1
Uname: Linux 3.4.67 armv7l
ApportVersion: 2.14.6-0ubuntu2
Architecture: armhf
Date: Sat Aug 23 14:18:00 2014
InstallationDate: Installed on 2014-08-23 (0 days ago)
InstallationMedia: Ubuntu Utopic Unicorn (development branch) - armhf (20140823-020205)
SourcePackage: unity8
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: unity8 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug armhf qa-daily-testing rtm14 utopic

** Attachment added: "frozen.png"
   https://bugs.launchpad.net/bugs/1360593/+attachment/4185224/+files/frozen.png

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https://bugs.launchpad.net/bugs/1360593

Title:
  unity8 freezes randomly

Status in “unity8” package in Ubuntu:
  New

Bug description:
  krillin #205

  [Sorry for the poor description]

  On krillin UI freeze randomly. For example on the screenshot it
  occurred while dragging the greeter to unlock the phone. I was playing
  music, woke up the phone with the power button to turn the display off
  and did a right edge swipe to remove the greeter.

  This has been reported by several people in the past days, but I
  didn't find a pattern to reproduce this bug reliably.

  There is no crash in /var/crash and no apport activity.
  If I press the power button to turn the screen off/on again, the greeter is completely displayed (ie. doesn't cover half of the screen like the screenshot) but the UI is not responsive to gestures or input events.

  top doesn't show any specific process going crazy

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: unity8 8.00+14.10.20140822-0ubuntu1
  Uname: Linux 3.4.67 armv7l
  ApportVersion: 2.14.6-0ubuntu2
  Architecture: armhf
  Date: Sat Aug 23 14:18:00 2014
  InstallationDate: Installed on 2014-08-23 (0 days ago)
  InstallationMedia: Ubuntu Utopic Unicorn (development branch) - armhf (20140823-020205)
  SourcePackage: unity8
  UpgradeStatus: No upgrade log present (probably fresh install)

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References