[gen4 sna] Font corruption
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
xf86-video-intel |
Invalid
|
Undecided
|
Unassigned | ||
xserver-xorg-video-intel (Ubuntu) |
Fix Released
|
Low
|
Unassigned |
Bug Description
After enabling the SNA acceleration method and rebooting, I noticed that graphical glitches appeared in the letters on Chromium's tab bar during the mouse hover animation. I've attached a screenshot illustrating this, particularly with the letter "g" in the screenshot.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: xorg 1:7.7+1ubuntu4
ProcVersionSign
Uname: Linux 3.7.0-7-generic x86_64
ApportVersion: 2.8-0ubuntu1
Architecture: amd64
Date: Thu Jan 10 16:00:55 2013
InstallationDate: Installed on 2012-09-24 (107 days ago)
InstallationMedia: Kubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120822.2)
MarkForUpload: True
SourcePackage: xorg
UpgradeStatus: Upgraded to raring on 2012-09-25 (107 days ago)
affects: | xorg (Ubuntu) → xserver-xorg-video-intel (Ubuntu) |
Changed in xserver-xorg-video-intel (Ubuntu): | |
assignee: | nobody → Timo Aaltonen (tjaalton) |
Changed in xserver-xorg-video-intel (Ubuntu): | |
importance: | Undecided → Medium |
status: | New → Confirmed |
Changed in xserver-xorg-video-intel: | |
importance: | Unknown → Medium |
status: | Unknown → Confirmed |
Changed in xserver-xorg-video-intel (Ubuntu): | |
status: | Confirmed → Incomplete |
Changed in xserver-xorg-video-intel (Ubuntu): | |
status: | Incomplete → Confirmed |
tags: | added: kubuntu |
Changed in xserver-xorg-video-intel (Ubuntu): | |
status: | Confirmed → Fix Released |
Changed in xserver-xorg-video-intel: | |
status: | Confirmed → In Progress |
Changed in xserver-xorg-video-intel (Ubuntu): | |
status: | Fix Released → Triaged |
summary: |
- Font corruption in Chromium tab bar using Intel SNA + [gen4 sna] Font corruption in Chromium tab bar |
tags: | added: saucy |
summary: |
- [gen4 sna] Font corruption in Chromium tab bar + [gen4 sna] Font corruption |
Changed in xserver-xorg-video-intel (Ubuntu): | |
assignee: | Timo Aaltonen (tjaalton) → nobody |
importance: | Medium → Low |
status: | Triaged → Incomplete |
tags: | added: trusty |
Changed in xserver-xorg-video-intel (Ubuntu): | |
status: | Incomplete → Confirmed |
Changed in xserver-xorg-video-intel (Ubuntu): | |
status: | Confirmed → Incomplete |
Using the xf86-video-intel driver in SNA mode (using version 2.20.9, but I've seen it back to 2.20.7 as well - I have not tested SNA in earlier versions), chromium tabs exhibit a strange "blotchy" flickering of text/graphics as the mouse is moved over them. Note that this may vary depending on the text (or more probably the length of the text) in the tab.
I wonder if the transparent gradient/fade of the text in these tabs plays a part here.
I will attach a video screen capture of this happening. One URL that causes it is the URL of a previous bug I reported: https:/ /bugs.freedeskt op.org/ show_bug. cgi?id= 55484 (the tab in the video uses this one).
[From my lspci: VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)]