Many desktopcouch-service processes running

Bug #841379 reported by DavidW617 on 2011-09-04
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
desktopcouch (Ubuntu)
Undecided
Unassigned

Bug Description

Description: Ubuntu 11.04
Release: 11.04

desktopcouch:
  Installed: 1.0.7-0ubuntu2
  Candidate: 1.0.7-0ubuntu2
  Version table:
 *** 1.0.7-0ubuntu2 0
        500 http://ca.archive.ubuntu.com/ubuntu/ natty/main i386 Packages
        100 /var/lib/dpkg/status
desktopcouch-tools:
  Installed: (none)
  Candidate: 1.0.7-0ubuntu2
  Version table:
     1.0.7-0ubuntu2 0
        500 http://ca.archive.ubuntu.com/ubuntu/ natty/main i386 Packages

I noticed the problem when I viewed the output of top. Here is a sample:
Tasks: 489 total, 9 running, 477 sleeping, 0 stopped, 3 zombie
Cpu(s): 44.0%us, 13.5%sy, 13.5%ni, 27.8%id, 1.1%wa, 0.0%hi, 0.2%si, 0.0%st
Mem: 1986516k total, 1919724k used, 66792k free, 28116k buffers
Swap: 2996084k total, 1736052k used, 1260032k free, 263052k cached

  PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
 1852 david 20 0 78096 15m 1904 S 13 0.8 124:10.62 beam.smp
18474 david 20 0 2760 1368 864 R 11 0.1 0:00.14 top
 5680 david 20 0 81680 15m 1568 S 5 0.8 104:43.82 beam.smp
 1617 root 20 0 3400 896 276 S 2 0.0 1:35.56 novacomd
 5858 yan 30 10 20752 5808 1748 S 2 0.3 2:41.05 desktopcouch-se
 6206 yan 30 10 20752 5796 1748 S 2 0.3 2:37.87 desktopcouch-se
 6327 yan 30 10 20752 5956 1888 S 2 0.3 2:35.84 desktopcouch-se
 6339 yan 30 10 20752 5944 1892 S 2 0.3 2:35.38 desktopcouch-se
 6349 yan 30 10 20756 5948 1892 R 2 0.3 2:36.23 desktopcouch-se
 6582 yan 30 10 20752 5912 1916 S 2 0.3 2:29.97 desktopcouch-se
 6610 yan 30 10 20756 5908 1916 S 2 0.3 2:30.08 desktopcouch-se
 6620 yan 30 10 20752 5968 1916 S 2 0.3 2:29.59 desktopcouch-se
 6674 yan 30 10 20752 5904 1916 S 2 0.3 2:28.88 desktopcouch-se
 6784 yan 30 10 20756 5964 1916 S 2 0.3 2:26.54 desktopcouch-se
 6845 yan 30 10 20756 5968 1916 S 2 0.3 2:24.96 desktopcouch-se
 6855 yan 30 10 20748 5956 1916 S 2 0.3 2:25.12 desktopcouch-se

There are 288 copies of desktopcouch-service running at the moment. The result is that my computer feels quite sluggish.

This is not the fist time that I am encountering this bug. I do not know what I am doing to trigger this behaviour. Any help would be very appreciated.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: desktopcouch 1.0.7-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-11.49-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic i686
NonfreeKernelModules: wl
Architecture: i386
CheckboxSubmission: 4f5564c50a42755fd0a913a86e07ee6a
CheckboxSystem: b845c366ea09c60efa3a45c1b5b21525
Date: Sun Sep 4 16:43:02 2011
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta i386 (20100318)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_CA:en
 PATH=(custom, user)
 LANG=en_HK.utf8
 LC_MESSAGES=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: desktopcouch
UpgradeStatus: Upgraded to natty on 2011-03-13 (175 days ago)

DavidW617 (davidw617) wrote :
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in desktopcouch (Ubuntu):
status: New → Confirmed
raven b (ravenbarks) wrote :

Have the same bug. Over a 100 instances of desktopcouch-service running, consuming 5-15MB memory each.

One of the processes was using 90%+ of the CPUs. A little googling suggesting that this can be resolved by logging into UbuntuOne. Once I logged in there, the CPU utilisation dropped to normal but the processes are all still sitting in memory.

Also of note, though probably should be a different topic: The problem with multiple processes consuming memory & CPU started when I changed the computer's name. Changing computer name apparently disrupts UbuntuOne since the service was active and working well before I changed the name but had stopped / logged me out after, triggering the above mentioned flood of desktopcouch-service instances hogging CPU & memory.

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