Public bug reported:
On Babbage 2.0, I get something like 60-80 pixels of black on the top
pixel row of the screen, at the left hand edge. This is observable
primarily when X is running, but I'm guessing it probably happens the
rest of the time as well. This strip of pixels is permanent and X does
not appear to be able to draw over it.
Often, but not always, there is also a black cell overlaying the top-
left corner of the screen, coinciding with the black strip described in
the previous paragraph. The cell appears to be the size of a text
console character cell. If X draws over it (by animating the
Applications menu for example), the black cell disappears for a fraction
of a second and the reappears, as if the cell is being redrawn many
times a second.
My best guess is that these problems are bugs in the framebuffer driver
stack or possible hardware issues, but I've not been able to investigate
further.
I don't know whether either of these issues affects Babbage 2.5.
Kernel command line:
console=ttymxc0,115200 console=tty0 file=/cdrom/preseed/ubuntu.seed boot=casper
quiet splash --
ProblemType: Bug
Architecture: armel
Date: Tue Oct 27 13:39:29 2009
DistroRelease: Ubuntu 9.10
LiveMediaBuild: Ubuntu 9.10 "Karmic Koala" - Release armel+imx51 (20091027.1)
Package: linux-image-2.6.31-105-imx51 2.6.31-105.14
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-105.14-imx51
SourcePackage: linux-fsl-imx51
Uname: Linux 2.6.31-105-imx51 armv7l
XsessionErrors:
(gnome-settings-daemon:2542): GLib-CRITICAL **: g_propagate_error: assertion
`src != NULL' failed
(gnome-settings-daemon:2542): GLib-CRITICAL **: g_propagate_error: assertion
`src != NULL' failed
(nautilus:2598): Eel-CRITICAL **: eel_preferences_get_boolean: assertion
`preferences_is_initialized ()' failed
(polkit-gnome-authentication-agent-1:2614): GLib-CRITICAL **:
g_once_init_leave: assertion `initialization_value != 0' failed
** Affects: linux-fsl-imx51 (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug armel
--
DVI framebuffer rendering problem on armel (Babbage2)
https://bugs.launchpad.net/bugs/461955
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