Red Hat Bugzilla – Bug 517917
NV1f chipset. Screen moved one line down.
Last modified: 2012-08-06 15:58:07 EDT
Created attachment 357705 [details]
screen shot - X11 one line down
Description of problem:
X11 screen appears one line down, so bottom of screen cut off and band appears at top of screen.
Switching between a console and X11 corrects the problem, i.e. press Ctrl+Alt+F2 then Ctre+Alt+F1
Problem re-occurs when totem video player is used, screen moved down one line. Switching between console and X11 will correct again.
When switch to console all characters have been moved to the left by one, so first character of line appears on the far right of the line above.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
2.GDM display has screen moved down one line
3.Log in. X11 display is moved down one line
X11 screen moved down one line
Console moved left one character
Image aligned with physical screen.
Created attachment 357707 [details]
X11 screen moved down one line - slightly clearer image of top of screen
Created attachment 357708 [details]
screenshot VGA console - moved left one character
Created attachment 357709 [details]
Created attachment 357710 [details]
Created attachment 357711 [details]
Since this bugzilla report was filed, there have been several major updates in various components of the Xorg system, which may have resolved this issue. Users who have experienced this problem are encouraged to upgrade their system to the latest version of their packages. For packages from updates-testing repository you can use command
yum upgrade --enablerepo='*-updates-testing'
Alternatively, you can also try to test whether this bug is reproducible with the upcoming Fedora 12 distribution by downloading LiveMedia of F12 Beta available at http://alt.fedoraproject.org/pub/alt/nightly-composes/ . By using that you get all the latest packages without need to install anything on your computer. For more information on using LiveMedia take a look at https://fedoraproject.org/wiki/FedoraLiveCD .
Please, if you experience this problem on the up-to-date system, let us now in the comment for this bug, or whether the upgraded system works for you.
If you won't be able to reply in one month, I will have to close this bug as INSUFFICIENT_DATA. Thank you.
[This is a bulk message for all open Fedora Rawhide Xorg-related bugs. I'm adding myself to the CC list for each bug, so I'll see any comments you make after this and do my best to make sure every issue gets proper attention.]
Now tested with Fedora 12 and the X11 screen and console are still one line down.
Go to System -> Preferences -> Display on desktop and change display frequency to another setting. The screen is then aligned correctly.
Events that trigger the screen to move one line down
1. Initial start up - log in screen is one line down
2. Switch to console (Ctrl+Alt+F2) and back to X11
3. Start Totem
4. Start Internet Explorer using Wine
5. Wake X11 after screen saver activated
Now tested with kernel-126.96.36.199-21.fc13 and the workaround no longer works. The display image is permanently down by one line. Please change to high priority.
Now tested with graphics_test_201009-i686.iso and still present. Unfortunately non of the work arounds that could be used in F12 and before work.
There is now a period judder of the screen every few seconds and in F14 Alpha a notification kept appearing saying it could not set the virtual desktop size to 1,1.
This bug has stopped me upgrading from F12.
Thanks, Al, bumping to 14 then.
"in F14 Alpha a notification kept appearing saying it could not set the virtual desktop size to 1,1."
this was a separate, unrelated bug.
Fedora Bugzappers volunteer triage team
Tested with gfx_test_week_20110221_i386.iso and bug still there.
https://bugzilla.redhat.com/show_bug.cgi?id=679366 seems related.
Tested with F15 and still present
Dowloaded latest Nouveau drivers from git://anongit.freedesktop.org/nouveau/linux-2.6 and framebuffer console is properly aligned and no flicker. CONFIG_VT_HW_CONSOLE_BINDING compile option was set. So looking promising from upstream.
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