Bug 667124 - artifacts visible on scroll
artifacts visible on scroll
Product: Fedora
Classification: Fedora
Component: xorg-x11-drv-intel (Show other bugs)
i686 Linux
low Severity medium
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Assigned To: Adam Jackson
Fedora Extras Quality Assurance
Depends On:
  Show dependency treegraph
Reported: 2011-01-04 09:37 EST by Pádraig Brady
Modified: 2011-01-10 03:51 EST (History)
4 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2011-01-07 07:47:05 EST
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RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
See the area enclosed in red (145.33 KB, image/png)
2011-01-04 09:41 EST, Pádraig Brady
no flags Details

  None (edit)
Description Pádraig Brady 2011-01-04 09:37:36 EST
See the attached screenshot taken with:
import -display :0.0 -window root ff-artifacts.png

The area circled in red has artifacts due to the overlying terminal window.
They appear after scrolling the firefox content.
This happens with general.smoothScroll on or off.

$ rpm -q xorg-x11-drv-intel xorg-x11-server-Xorg kernel firefox
Comment 1 Pádraig Brady 2011-01-04 09:41:28 EST
Created attachment 471679 [details]
See the area enclosed in red
Comment 2 Pádraig Brady 2011-01-04 09:45:14 EST
I should also add:

$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 03)

Also I don't see the issue in other apps,
but I do see flickering in the problematic
area in other apps, but they do always draw
in a consistent state, when you stop scrolling.

Also it doesn't happen immediately, but may
take 10-20s of scrolling in firefox to show the issue
Comment 3 Martin Stransky 2011-01-07 07:46:46 EST
This one is a firefox bug fixed in rawhide.
Comment 4 Pádraig Brady 2011-01-07 11:28:30 EST
Cool thanks.
Will it be backported. It's a minor issue so I guess not.
Do you have a pointer to the bug or patch for the issue?
Comment 5 Martin Stransky 2011-01-10 03:51:36 EST
It's fixed by new layer engine in ff4 and it's not going to be backported to 3.6 line.

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