Public bug reported:
As far as I know, I don't have deja-dup set up to do anything.
Behavior: While using other applications, the system became nearly
unusable, with inputs ignored or heavily lagging. The CPU fan was
periodically cycling into high RPM. I could not even open another TTY.
Eventually, GUI authentication messages started showing up asking for
authorization to modify my user data.
After much patience, I was able to open a System Monitor GUI and see
that deja-dup-monitor was using over 10GB of RAM (out of 12GB on the
machine). Killing this task ended the issue.
Syslog shows a number of dconf-related messages about permissions denied
while trying to create file /run/user/1000/dconf/user . This affected
many applications, and some of them were condensed into "message repeats
X times". In the case of deja-dup-monitor, however, the message
repeated thousands of times.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: deja-dup 34.2-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
Uname: Linux 4.4.0-18-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Sun Apr 17 08:04:09 2016
InstallationDate: Installed on 2014-08-10 (616 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
SourcePackage: deja-dup
UpgradeStatus: Upgraded to xenial on 2016-03-26 (21 days ago)
** Affects: dconf (Ubuntu)
Importance: Undecided
Status: New
** Affects: deja-dup (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
** Summary changed:
- deja-dup-monitor eats RAM while trying to modify user file
+ deja-dup-monitor eats RAM while trying to modify dconf user file
** Summary changed:
- deja-dup-monitor eats RAM while trying to modify dconf user file
+ deja-dup-monitor eats RAM/CPU while trying to modify dconf user file
** Also affects: dconf (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1571320
Title:
deja-dup-monitor eats RAM/CPU while trying to modify dconf user file
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