Thanks to Will Cooke, this problem was tracked down to docky.
** Project changed: unity => docky
** Changed in: docky
Status: Invalid => New
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https://bugs.launchpad.net/bugs/1427785
Title:
Duplicate processes started after Resume of amd64 bit
Status in Docky:
New
Status in unity package in Ubuntu:
Invalid
Bug description:
$ uname -a
Linux ajsc855 3.13.0-46-generic #76-Ubuntu SMP Thu Feb 26 18:52:13 UTC 2015
x86_64 x86_64 x86_64 GNU/Linux
$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.2 LTS"
Toshiba Satellite C855, 4GB RAM, 720GB HD
I typically run Thunderbird, Firefox, a terminal or two, Gthumb, Gimp,
Qcad, Gedit, Libreoffice, Inkscape, Document Viewer and occasionally
Virtualbox.
I just noticed this a couple of weeks ago, so I am guessing a recent
update started it.
It seems to me that there are quite a few duplicate copies of some
processes populating memory after suspending/resuming a session for a
few days. Namely, dbus-daemon, gvfsd and gconfd-2. The more I
suspend/resume the session, the more of these processes appear. After
a while they start using up a significant amount of memory and system
response seems to slow down.
Logging out and back in did not alleviate the problem. Rebooting did.
But, I will have to reboot again in a week to free up the memory used
by these duplicate processes.
The example session used to get the following results was probably
well over a week in use.
Before rebooting:
$ ps -ef >prereboot.txt
$ grep -i dbus-daemon <prereboot.txt|wc -l
40
$ grep -i gvfsd <prereboot.txt|wc -l
78
$ grep -i gconfd-2 <prereboot.txt|wc -l
37
After rebooting:
$ ps -ef >postreboot.txt
$ grep -i dbus-daemon <postreboot.txt|wc -l
4
$ grep -i gvfsd <postreboot.txt|wc -l
5
$ grep -i gconfd-2 <postreboot.txt|wc -l
1
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