@dani.behzi comment #8 was very helpful. I wad also turned on the
Pointer Location setting in gnome tweaks, and all Ctrl+Key shortcuts
were unusable in the secondary input mode. This is much more devastating
than missing Super functionality in secondary input mode (Ctrl+C/+X/+V,
Ctrl+Shift+Arrow
Hi,
after reading comment #27, I upgraded again from 11.10 to 12.04 and the problem
has disappeared almost completely.
Now there is no flickering during regular use of the laptop.
There is a small nuisance left though, don't know if it is worth fixing. Short
flickering appears during logging
Yes, here they are
** Attachment added: Xorg.0.log
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/945006/+attachment/2843535/+files/Xorg.0.log
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** Attachment added: 11.10 xrandr --verbose
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/945006/+attachment/2843547/+files/xrandr.verbose
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** Attachment added: 11.10 dmesg
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/945006/+attachment/2843548/+files/dmesg
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I tried the latest mainline kernel: 3.3.0-030300rc6-generic-pae
Flickering is still there and unchanged.
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https://bugs.launchpad.net/bugs/945006
Title:
Screen flickers heavily after
I run this machine with Ubuntu for a couple of years. The most recent
version was 11.10. I upgraded to 12.04 beta 1 and flickering started. I
installed 11.10 again and flickering stopped. Today I install 12.04 beta
again and then installed mainline kernel RC6 and there is still heavy
flickering/
The monitor that flickers is the built-in LCD display of the laptop (HP
Elitebook 2730p).
I booted 12.04 B1 with nomodeset boot option and there was no flickering (but
otherwise wrong display resolution).
I reverted to 11.10, and the flickering stopped.
I will install 12.04 B1 from scratch,
I booted a live usb stick with 12.04 Beta 1 on the laptop, and the
screen flickers when the installer starts.
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https://bugs.launchpad.net/bugs/945006
Title:
Screen flickers heavily
Public bug reported:
When the welcome screen is displayed, the screen begins to flicker
heavily, regardless of the window manager used
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xorg 1:7.6+10ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic-pae 3.2.6
Uname: Linux
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https://bugs.launchpad.net/bugs/945006
Title:
Screen flickers heavily after upgrading to 12.04 beta 1
To manage notifications about this bug go to:
Hi,
The flickering appeared only after I installed 12.04 beta 1, so I think the
BIOS is broken warning is unrelated.
Also when I connect an external monitor to the VGA port, the flickering
disappears completely. It seems to me that this is a problem of graphics
drivers.
Thanks
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