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[Bug 239211] New: Xorg consumes up to 100% CPU-time when scrolling on websites with large images
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Fri, 26 Jan 2007 04:16:07 -0700 (MST)
  • Message-id: <bug-239211-21960@xxxxxxxxxxxxxxxxxxxxxxxxx/>
https://bugzilla.novell.com/show_bug.cgi?id=239211

Summary: Xorg consumes up to 100% CPU-time when scrolling on
websites with large images
Product: openSUSE 10.2
Version: Final
Platform: 32bit
OS/Version: Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: X.Org
AssignedTo: sndirsch@xxxxxxxxxx
ReportedBy: c_weidmann@xxxxxxx
QAContact: sndirsch@xxxxxxxxxx


On openSUSE 10.2 (IBM Thinkpad R51, Pentium-M 1,6 GHz, Radeon Mobility M7 LW
with Xorg's radeon driver), Xorg causes extremely high CPU-usage when scrolling
with Konqueror on websites with large images. So scrolling is extremely slow.
In Opera and Firefox, the problem is still noticeable, but CPU-usage is not as
high as with konqueror ("only" 30 - 50%). Although it seemed to be a
Konqueror-related problem at first look, I'll report it as a Xorg bug, because
the CPU-time is consumed by Xorg and not by Konqueror.

You can test it at www.firststop.de and
http://www.apfeltalk.de/forum/ibook-powerbook-macbookpro-f11.html . On both
cases, you see the effect when scrolling in the upper parts of the sites were
large banners are displayed. When you've scrolled down so that these images are
no more visible, then scrolling is normal and CPU-usage returns to a normal
level.


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