Bug 23720

Summary:

1900x1280 dell screen switch causes blank screen

Product:

xorg

Reporter:

Bryce Harrington <bryce>

Component:

Driver/intel

Assignee:

Wang Zhenyu <zhenyu.z.wang>

Status:

RESOLVED INVALID

QA Contact:

Xorg Project Team <xorg-team>

Severity:

major

Priority:

medium

Keywords:

NEEDINFO

Version:

7.4 (2008.09)

Hardware:

x86 (IA32)

OS:

Linux (All)

Whiteboard:

i915 platform:

i915 features:

Attachments:

Description	Flags
XorgConf.txt	none
XorgLog.txt	none
XorgLogOld.txt	none

Description Bryce Harrington 2009-09-04 12:31:28 UTC

Forwarding this bug from Ubuntu reporter Onno Timmerman:
http://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/417614

[Problem]
when switching from laptop screen to my dell screen 1900x1280 it gives a blank screen. Also on startup it gives blank black.

[Original Description]
laptop dell E4300
dell port replicator
screen del 1900x1280
ubuntu 9.04

problem: when switching from laptop screen to my dell screen 1900x1280 it gives a blank screen. Also on startup it gives blank black. 

Workaround:
First switch from screen by truning laptop screen off go to resolution 1280x1200 on the monitor. Work for about 10 minitus and then switch the screen to 1900x1280.

extra:
Don't leave your computer for more then x minutes else you never know if you need to repeat the process to get the native screen resolution of your 24'


Architecture: amd64
DistroRelease: Ubuntu 9.04
Package: xorg 1:7.4~5ubuntu18
PackageArchitecture: amd64
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=nl_BE.UTF-8
ProcVersion: Linux version 2.6.28-15-generic (buildd@yellow) (gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4) ) #49-Ubuntu SMP Tue Aug 18 19:25:34 UTC 2009
Uname: Linux 2.6.28-15-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

Comment 1 Bryce Harrington 2009-09-04 12:32:02 UTC

Created attachment 29238 [details]
XorgConf.txt

Comment 2 Bryce Harrington 2009-09-04 12:32:20 UTC

Created attachment 29239 [details]
XorgLog.txt

Comment 3 Bryce Harrington 2009-09-04 12:32:32 UTC

Created attachment 29240 [details]
XorgLogOld.txt

Comment 4 Wang Zhenyu 2009-09-08 19:51:42 UTC

Remove the virtual setting in xorg.conf, that'll limit the max resolution you could use.

X log with ModeDebug on?

Comment 5 Gordon Jin 2009-09-14 20:46:05 UTC

unblocking Q3 release

Comment 6 Gordon Jin 2010-04-12 00:04:50 UTC

Bryce, do you still pursue this bug? We need the requested info as we can't reproduce it.

Comment 7 Chris Wilson 2010-07-18 09:20:05 UTC

Timeout. There's not enough information here to diagnose the issue. For instance, it doesn't actually sound like a modesetting error but more to do with the extended desktop?

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