launchpad takes 100% CPU in Xorg during scroll
Bug #748087 reported by
Mike
This bug report is a duplicate of:
Bug #744808: image sprite is packed very asymmetrically - triggers poor rendering performance in firefox3 and missing icons in firefox4 and konquerer.
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This bug affects 2 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Mozilla Firefox |
Confirmed
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Undecided
|
Unassigned |
Bug Description
I'm sure this must be a dup since I've seen this behavior for a couple years now, but searches aren't finding similar reports.
The problem is that when I visit Launchpad in Firefox on my MacBook 6,2 (4 CPUs @2.67GHz, 3.7 GB RAM, .07 typical load,) my CPU usage jumps to 100% when I try to scroll the pages. See attached screenshot. All the peaks in that image are me simply scrolling up and down on a not-so-big page. Here's a typical example of a page that causes 100% CPU utilization when I attempt to scroll up and down:
https:/
It was the same in FF 3.x with Ubuntu 10.04, 10.10, and now with FF 4.0 on Natty 11.04 A3
affects: | launchpad → firefox |
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I'm not sure this is a Firefox-specific problem. I am sure that bugs.launchpad.net is the only page I've noticed that behaves this way.