touch-packages team mailing list archive

[Chris Gagnon <chris.gagnon@xxxxxxxxxxxxx>]

The cpu is pegged on qmlscene
phablet@ubuntu-phablet:~$ top -n1 -b
top - 19:17:07 up  1:57,  1 user,  load average: 0.00, 0.01, 0.05
Tasks: 236 total,   1 running, 215 sleeping,  20 stopped,   0 zombie
%Cpu(s): 25.1 us, 30.5 sy,  0.0 ni, 43.1 id,  1.3 wa,  0.0 hi,  0.0 si,  0.0 st
KiB Mem:    983788 total,   911036 used,    72752 free,    20360 buffers
KiB Swap:   524284 total,   360248 used,   164036 free.   146268 cached Mem

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND
32043 phablet   20   0  364460  31836  21464 S  91.1  3.2  71:46.72 qmlscene
11505 phablet   20   0    6088   1112    796 R  16.1  0.1   0:00.06 top
 1941 root      20   0  238252   5780   4140 S  10.7  0.6   4:34.14 unity-syst+
28727 phablet   20   0  417516  64080  32800 S   5.4  6.5   6:57.64 unity8
    1 root      20   0    3860   2056   1004 S   0.0  0.2   0:15.02 init


[service]
base: system-image.ubuntu.com
http_port: 80
https_port: 443
channel: ubuntu-touch/ubuntu-rtm/14.09-proposed
device: krillin
build_number: 44
version_detail: ubuntu=20140916,device=20140912-23825b8,custom=1410739265,version=44

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Touch seeded packages, which is subscribed to unity8 in Ubuntu.
https://bugs.launchpad.net/bugs/1360593

Title:
  unity8 freezes randomly

Status in “unity8” package in Ubuntu:
  Confirmed

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 on
  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. A long press on the power button shows the shutdown dialog but none of the button can be pressed.

  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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