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Message #89509
[Bug 1199877] Re: unity-panel-service memory leak and 100% CPU usage
Have had the memory leak issues since moved to 15.04, not seen any
consistent/persistent CPU spikes though...
Services affected are consistently unity-panel-service and hud-service.
I run a virtual host and daily use Chrome and virt-viewer/virt-
manager/bash. Don't use GIMP and don't have any other indicators
running beyond the Chrome popups for Hangouts and browser extensions
i.e. Sabnzbd.
The only problem I repeated encounter is the main title bar where my
user name, date/time and indicators are freezes, I notice this as the
time is obviously wrong. I just kill the 2 offending services which
have grabbed most of the memory and everything reverts to normal.
** Attachment added: "Screen short of memory leakage"
https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1199877/+attachment/4428754/+files/Screenshot%20from%202015-07-14%2014%3A05%3A37.png
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https://bugs.launchpad.net/bugs/1199877
Title:
unity-panel-service memory leak and 100% CPU usage
Status in Application Menu Indicator:
Fix Released
Status in Application Menu Indicator 13.10 series:
Fix Released
Status in The Ubuntu Power Consumption Project:
Fix Released
Status in Unity:
Invalid
Status in Ubuntu:
Fix Released
Status in indicator-appmenu package in Ubuntu:
Fix Released
Status in unity package in Ubuntu:
Invalid
Status in The Saucy Salamander:
Fix Released
Status in indicator-appmenu source package in Saucy:
Fix Released
Bug description:
Impact: high CPU/memory usage from unity-panel-service
Test case:
Open a large image in the GIMP and activate a lot of items from the
global menu. Using shortcuts is enough and faster to reproduce this
bug (I've always used Ctrl+A and Ctrl+Shift+A). Memory usage of unity-
panel-service increases steadily and it uses a lot of CPU shortly
after activating the menu items in a short time.
Regression potential: check that the menus are stable/working as they
should
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Just going about my business on Ubuntu Raring amd64 on an x230 and I heard the fan kick into action. top showed me that unity-panel-service was consuming all the free cycles on one of my CPUs. I killed it before my machine overheated, so I didn't attach a debugger to see why it was totally pegging out a CPU.
I'm not sure if this adds any context, but I was using a LibreOffice
spreadsheet and I could not insert a table because the menu had lost
it's mind, and then I observed the overly loaded CPU a very short
while after that.
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