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[Launchpad Bug Tracker <1390084@xxxxxxxxxxxxxxxxxx>]

[Expired for location-service (Ubuntu) because there has been no
activity for 60 days.]

** Changed in: location-service (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1390084

Title:
  ubuntu-location-service is leaking memory a lot

Status in location-service package in Ubuntu:
  Expired

Bug description:
  Yesterday evening I tested two applications using positioning.
  Everything was working fine. I can't remember if I have closed the
  apps or not, but today I noticed unity8-dash being stuck in a restart-
  loop. All open/recent apps were killed by the oom killer (lifecycled)
  and the dash keeps getting killed by the oom killer and respawned by
  upstart.

  logging into the phone reveals that ubuntu-location-service is taking
  approx 1GB of memory, causing everything else to be killed.

  Here's some collected data:

  Device: Nexus 4 (mako)
  Image #: 6 (RTM channel)

  ----------------------------------------------
  dmesg keeps on printing this repeatedly:

  [101795.423688] send sigkill to 1431 (unity8-dash), adj 50, size 23410
  [101807.612457] send sigkill to 1496 (unity8-dash), adj 50, size 23635
  [101820.325321] send sigkill to 1550 (unity8-dash), adj 50, size 23748
  [101833.122788] send sigkill to 1607 (unity8-dash), adj 50, size 24336
  -----------------------------------------------
  location-service's oom score info:

  phablet@ubuntu-phablet:~$ cat /proc/984/oom_score
  452
  phablet@ubuntu-phablet:~$ cat /proc/984/oom_adj 
  0
  phablet@ubuntu-phablet:~$ cat /proc/984/oom_score_adj 
  0

  ----------------------------------------------
  excerp from top, sorted by memory consumption:

    PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND                                                                                                                                 
    984 root      20   0 3129260 913608    772 S   1,0 48,6   2:51.88 ubuntu-location                                                                                                                         
   1062 radio     20   0  219820 211732    244 S   0,0 11,3   1:10.68 netmgrd                                                                                                                                 
    853 phablet   20   0  521780 139576  36304 S   8,7  7,4  28:30.99 unity8                                                                                                                                  
   2598 phablet   20   0  428556  74036  30212 R  91,1  3,9   0:09.28 unity8-dash            

  as we can see here, location-service is using about 1 GB reserved
  memory, steadily growing (about 100kb every 10 mins). unity8-dash is
  using all the CPU because it keeps getting respawned and killed.

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