Ubuntu
compiz package

update-manager popup consumes a lot of CPU

Bug #1622510 reported by Timo Aaltonen
22
This bug affects 5 people
Affects Status Importance Assigned to Milestone
compiz (Ubuntu)
Confirmed
High
Unassigned
update-manager (Ubuntu)
Confirmed
High
Unassigned

Bug Description

When update-manager has installed updates, the popup asking to reboot consumes a lot of CPU via compiz, xorg and update-manager processes, but only when the popup is not focused!

this at least on xenial

Tags: xenial
Revision history for this message
Timo Aaltonen (tjaalton) wrote :

xorg/compiz take 30~50% and u-m ~15% on my skylake desktop

Brian Murray (brian-murray)
tags: added: xenial
Revision history for this message
Launchpad Janitor (janitor) wrote :

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

Changed in compiz (Ubuntu):
status: New → Confirmed
Changed in update-manager (Ubuntu):
status: New → Confirmed
Alberto Salvia Novella (es20490446e)
Changed in update-manager (Ubuntu):
importance: Undecided → High
Changed in compiz (Ubuntu):
importance: Undecided → High
Revision history for this message
Thomas Waldmann (tw-public) wrote :

https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1637180 duplicate with this?

Revision history for this message
Thomas Waldmann (tw-public) wrote :

Ah, OP noticed the focus difference also. I can confirm!

Revision history for this message
Brain (brain) wrote :

The bug 1691716 is a duplicate of this one. See also more details (logs, etc.) there.

Revision history for this message
Brain (brain) wrote :

Possibly related? https://bugs.launchpad.net/ubuntu/+source/synaptic/+bug/355355

Revision history for this message
Thomas Waldmann (tw-public) wrote :

The duplicate I noted 2017-05-30 has the analysis / solution I found.

So, how long is it going to take to fix such a trivial bug and deploy it to all xenial users to finally fix this daily battery-eating annoyance?

Revision history for this message
Brain (brain) wrote :

Here is the analysis from Thomas: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1637180

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