OK, so I've made a discovery in terms of what could be causing this
problem, it appears that when the display is garbled, it's because
vesafb is being used, rather than the intel driver. attached it the
relevant dmsg that i got by sshing into the computer, note the following
lines when the
** Attachment added: A copy of dmesg output when vesafb is used
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/980058/+attachment/3177455/+files/dmesg_affected
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** Attachment added: A copy of 'normal' dmesg output showing inteldrmfb being
loaded
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/980058/+attachment/3177456/+files/dmesg_normal
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** Attachment added: A copy of xorg.log when vesafb is used
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/980058/+attachment/3177457/+files/xorg_affected
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** Attachment added: A copy of a 'normal' xorg.log showing inteldrmfb being
used
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/980058/+attachment/3177458/+files/xorg_normal
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Thanks for the reply. The laptop is only 6 months old, so i'm not sure
if that would be a problem. My laptop seems to be running cooler since
upgrading to 12.04. But I'll look into it though.
** Summary changed:
- Sometimes get a white box instead of Lightdm after boot
+ Sometimes see vertical
** Description changed:
- WHAT HAPPENED INSTEAD:
- ==
- Since upgrading from Ubuntu 11.10 to 12.04, while booting, Plymouth is
displayed fine, there are no problems there. The problem occurs when Plymouth
finishes and Lightdm should start. 9 times out of 10, Lightdm starts
Okay, so it happened again today, except it's no longer a white box. It's hard
to explain but I recorded a video of it.
I also managed to save a copy of dmesg from when this was happening, if it's
relevant.
** Attachment added: A video showing what happens after boot sometimes since
the final
OK, so sorry for spamming the comments here, but this seems to be
happening more and more often, and it's so annoying. I've removed the
startup script from my lightdm config in case it was xbacklight screwing
up the graphics when I tried to change the backlight level - It happened
twice this
I ran 'ubuntu-bug xorg' after I rebooted the machine and logged in through
lightdm, so I imagine that the log was from after the issue.
I haven't experienced this bug since the final release of 12.04, however, I
experienced this bug just now. I saw a garbled Plymouth which leads me to
believe
I seem to be experiencing the same bug, but my home folder ISN'T encrypted.
I set my wallpaper to one in my pictures folder but I get the default wallpaper
shown when i'm at lightdm.
however, if I set my wallpaper to one of the default ones, it changes properly.
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Okay, so I did some more experimentation, and I found that changing the
resolution in GIMP to match my monitors resolution made the image
display in lightDM. Could this be a problem with LightDM being unable to
handle non-default images that are not the same resolution as the
monitor?
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** Also affects: df-libreoffice
Importance: Undecided
Status: New
** No longer affects: df-libreoffice
** Also affects: lo-menubar
Importance: Undecided
Status: New
** Visibility changed to: Public
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I just experienced the above bug again, so I decided to take a video
after switching to TTY1 and logging in, you can see the blinking
horizontal cursor and a squashed version of the display (when holding
down return) - I didn't notice this until now.
I ran the command
sudo pkill x
multiple times
Public bug reported:
WHAT HAPPENED INSTEAD:
==
Since upgrading from Ubuntu 11.10 to 12.04, while booting, Plymouth is
displayed fine, there are no problems there. The problem occurs when Plymouth
finishes and Lightdm should start. 9 times out of 10, Lightdm starts fine and
** Attachment added: When Lightdm fails to show, this is what is shown on my
display
https://bugs.launchpad.net/bugs/980058/+attachment/3053931/+files/1334248922374.jpg
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Attached above in the bug report is a photo of what the display
looks like after Plymouth finishes.
This attachment shows the artefacts left behind when moving the mouse
around. (no cursor is visible, just the white box)
** Attachment added: This attachment shows the artefacts left behind
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https://bugs.launchpad.net/bugs/945156
Title:
Low and Critical battery warnings show at the same time, Laptop
hibernates anyway
To manage notifications about this bug go to:
Public bug reported:
When my battery gets low (I'm not sure of the actual %age value), 2
dialogue boxes show, one for 'low battery', and the other for 'critical
battery'. Leaving these dialogue boxes open, I quickly rush over and
plug the charger in, however, regardless of weather I click the
Just let my battery run down again, and the 2 dialogues that show are
both critical level, one says the computer will hibernate if not
connected to power, and the other says the computer is about to
hibernate... sorry if the original post confuses anyone. i took some
screenshots too.
**
Once the 'This computer is about to hibernate' dialogue shows, the
hibernation of the computer is enevitable, regardless of wether i
actually plug in the AC cord. (this screenshot was taken after resuming
from hibernation, because i forgot, however, the 2 dialogues stay open
regardless of wether
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