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[Bug 1560188] Re: unity8 hang w/ CPU pegged

 

I've tracked it down to this indicator-datetime landing:

https://requests.ci-train.ubuntu.com/#/ticket/893

Downgrading indicator-datetime to the version below (or simply stopping
it before following the repro steps above) prevents the freeze.

https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/stable-
phone-overlay/+sourcepub/5495431/+listing-archive-extra

** Changed in: unity8 (Ubuntu)
       Status: Confirmed => Incomplete

** Also affects: indicator-datetime (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1560188

Title:
  unity8 hang w/ CPU pegged

Status in Canonical System Image:
  Confirmed
Status in indicator-datetime package in Ubuntu:
  New
Status in ubuntu-settings-components package in Ubuntu:
  New
Status in unity8 package in Ubuntu:
  Incomplete

Bug description:
  To trigger:
  1. Wipe (or freshly flash) rc-proposed on a krillin or mako
  2. Log in, configure time zone
  3. Tilt the phone to make the screen rotate

  At this point, the UI stopped responding and 'top' showed 100% CPU
  being used by unity8.

  I tried to get data from gdb, but it wasn't very helpful:
  (gdb) bt
  #0  0xa803cce2 in ?? ()
  #1  0xa803cb98 in ?? ()
  Backtrace stopped: previous frame identical to this frame (corrupt stack?)

  More details are needed.

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