Public bug reported:
I made a comment on a similar problem that is marked as "fix released"
(https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/912387) but
I'm not sure that anyone actually read it and the problem persist for
more then 3 weeks now so, I'm reporting it again.
Also, I'm not sure that the problem is with the Unity package, it may be
with the Intel drivers or Kernel, don't really know much to keep
theorizing.
So, that's what is happening.
I was using the 12.04 daily image from weeks ago on my Dell Inspiron
1545 and a external AOC monitor without any problem. After an update I
could't see the desktop anymore. I could get to the login screen and
type my password, after that the screens goes black and the mouse
pointer freezes.
I dualbooted on Windows and downloaded a more recent live daily image,
fire it up trough my pendrive and get the desktop with the both screen's
mirrored, as it should be by default. After that I tried to change it,
disabled the mirror images and set maximum resolution for both screens
(1366x768 on the notebook screen, 1600x900 on external AOC screen) but
the outcome was the same, both screens goes black and the mouse pointer
freezes.
Since then the problem is keep happening. I'm trying with daily images
twice a week now and getting the same output. As soon as I set both
screens to act independently and with highest resolution possible for
both, the screens goes black and altough I can see the mouse pointer, it
is freezed.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: unity 5.4.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 1.93-0ubuntu2
Architecture: amd64
CasperVersion: 1.304
CompizPlugins:
[core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CompositorRunning: compiz
Date: Wed Feb 29 14:26:10 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
GraphicsCard:
Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller
[8086:2a42] (rev 07) (prog-if 00 [VGA controller])
Subsystem: Dell Device [1028:02aa]
Subsystem: Dell Device [1028:02aa]
LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120228.1)
MachineType: Dell Inc. Inspiron 1545
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=pt_BR.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: noprompt cdrom-detect/try-usb=true
file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet
splash -- locale=pt_BR keyboard-configuration/layoutcode?=br
keyboard-configuration/modelcode?=abnt2
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/03/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: 0W299R
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA08:bd06/03/2009:svnDellInc.:pnInspiron1545:pvr:rvnDellInc.:rn0W299R:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Inspiron 1545
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.7.0~bzr2995-0ubuntu5
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.30-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.1-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.1-0ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev
1:2.6.99.901+git20120126-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:0.0.16+git20111201+b5534a1-1build2
** Affects: unity (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 precise ubuntu
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https://bugs.launchpad.net/bugs/943308
Title:
Black screen's with two monitors set to have diferent resolutions
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