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[David Kedves <kedazo@xxxxxxxxx>]

Public bug reported:

Binary package hint: xserver-xorg-video-intel

This happened after upgrading my system from karmic to lucid.

I can't use my external monitor at full resolution (1920x1080) the
maximal available resolution is 800x600 :-S.

kedz@kedz:~$ xrandr 
Screen 0: minimum 320 x 200, current 2240 x 900, maximum 8192 x 8192
VGA1 connected 800x600+1440+0 (normal left inverted right x axis y axis) 477mm x 268mm
   800x600        85.1     72.2     75.0     60.3     56.2* 
   640x480        85.0     75.0     72.8     59.9  
   720x400        85.0  
   640x400        85.1  
   640x350        85.1  
LVDS1 connected 1440x900+0+0 (normal left inverted right x axis y axis) 304mm x 190mm
   1440x900       60.2*+   59.9  
   1360x768       59.8  
   1152x864      100.0     85.1     85.0     75.0     75.0     70.0     60.0  
   1024x768       85.0     75.0     70.1     60.0  
   832x624        74.6  
   800x600        85.1     72.2     75.0     60.3     56.2  
   640x480        85.0     72.8     75.0     59.9  
   720x400        85.0  
   640x400        85.1  
   640x350        85.1  
DP1 disconnected (normal left inverted right x axis y axis)

but, in xorg log i can see my monitor proper resultion:
(II) intel(0): Modeline "1920x1080"x0.0  148.50  1920 2008 2052 2200  1080 1084 1089 1125 +hsync -vsync (67.5 kHz)
and there is a weird message:
(II) intel(0): Not using default mode "1920x1080" (monitor doesn't support reduced blanking)
What is this? can't i force somehow to use this mode?

Btw, i tried an another monitor, (its an older LCD panel, and i can use its maximal resolution 1680x1050)....
And the weird thing is everything worked fine before update to lucid... 

When i booting up my machine with connected external monitor, it is not usable too, monitor says "invalid hsync value" :-S
(i use encrypted rootfs i havent tried the booting without splash... i'll try it...)

I'm not sure about whether its a xserver-xorg-video-intel problem, maybe
it is some DRM/kernel related issue...

ProblemType: Bug
Architecture: i386
Date: Fri Feb 19 10:17:31 2010
DistroRelease: Ubuntu 10.04
DkmsStatus: Error: [Errno 2] No such file or directory
MachineType: LENOVO 276554G
Package: xserver-xorg-video-intel 2:2.9.1-1ubuntu5
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: root=/dev/mapper/sda4_crypt ro quiet splash
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-13.18-generic-pae
RelatedPackageVersions:
 xserver-xorg 1:7.5+1ubuntu6
 libgl1-mesa-glx 7.7-0ubuntu8
 libdrm2 2.4.17-1ubuntu3
 xserver-xorg-video-intel 2:2.9.1-1ubuntu5
SourcePackage: xserver-xorg-video-intel
Uname: Linux 2.6.32-13-generic-pae i686
dmi.bios.date: 10/02/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 7VET80WW (3.10 )
dmi.board.name: 276554G
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7VET80WW(3.10):bd10/02/2009:svnLENOVO:pn276554G:pvrThinkPadT400:rvnLENOVO:rn276554G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 276554G
dmi.product.version: ThinkPad T400
dmi.sys.vendor: LENOVO
system:
 distro:             Ubuntu
 architecture:       i686kernel:             2.6.32-13-generic-pae

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 lucid

-- 
Can't use external monitor at full resolution
https://bugs.launchpad.net/bugs/524299
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