OpenSUSE Hardware :: Cloning Display Not Working On Laptop?

May 31, 2010

I am having trouble getting my Dell M6400 laptop display to be cloned with the Hyundai LCD display I have connected to my docking station.

I have an Nvidia Quadro FX 2700M graphics card and have installed the proprietary driver according to SDB:NVIDIA drivers - openSUSE. I have tried using sax2 (found out today it is depreciated so will stop that) and running nvidia-xconfig from both init 3 and init 5 followed by nvidia-settings to setup cloning mode.

When I run nvidia-settings, it doesn't detect the laptop display it seems. It says the max resolution is 640x480 even though the max is 1920x1200 and this does get used if I boot the laptop without a monitor attached.

Also, when I try and select cloning nvidia-settings crashes with a segmentation fault.

openSUSE 11.2.
Linux 2.6.31.12-0.2-desktop #1 SMP PREEMPT 2010-03-16 21:25:39 +0100 x86_64 x86_64 x86_64 GNU/Linux

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My notebook specifications:

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I recently installed opensuse 11.4 on a remote server. It has GNOME installed as a desktop. The problem I am experiencing is that when logged in through VNC, most of the GUI apps are not functioning, especially ones that require root privs. Example: The Add/Create users context does not function. After you supply root pw, nothing happens. If you launch it from a terminal, you see this:

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Xlib: extension "RANDR" missing on display "::1:1.0".
No protocol specified
No protocol specified

[code]....

(y2base:4872): Gtk-WARNING **: cannot open display: ::1:1.0

Followed by a hang. This is also affecting things like the Xen configuration contexts (creating/managing VMs).

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Nov 19, 2009

I'm trying to clone a Linux install to a different laptop. It's made a little complicated by two facts:

1) The 'new' laptop I'm trying to copy my Linux installation to is actually older and has a smaller hard drive then the computer I'm copying from

2) The computer I'm copying from has both a windows and Linux installation; I only care about the Linux partition.

I figured I would copy only the Linux partition from my primary computer to the laptop, sense the laptop doesn't have a large enough hard drive to copy everything. So I used the DD commands to copy SDA3 (main Linux partition) from my main computer to SDA2 of my laptop. When I came back a few hours later I was surprise to find my laptop trying to reboot itself (I never turned it off). It would keep starting to reboot, failing, and restarting itself. Not too surprising sense its boot partition wasn't changed so it's trying to boot into centos when I copied a redhat partition to it.

The problem is that when I used a redhat boot disk the rescue mode was unable to find a Linux partition to mount. /dev/sda2 exists, but trying to mount it gets the complaint "No such file or directory". "fdisk -l" lists sda1 (the boot sector) and sda2. Sda2 is the correct size and reports Linux LVM for its system. But "fdisk -l /dev/sda2" gives the error message "Disk /dev/sda2 doesn't contain a valid partition table" Did I not clone the drive correctly, or was an error caused due to the boot sector not being copied yet (the laptops boot sector is smaller then my old computers, so I can't copy from old computer to laptop)? Can I salvage the laptops partition table somehow, or do I have to repeat the cloning process? And if I do have to re-clone my computer can anyone tell me what I did wrong the first time so it works this time? I don't care if I copy just the Linux partition or both windows and Linux. Even though my main computer has a larger hard drive I'm only using about half of its available space so it should be possible to copy both partitions if I could ignore the unused sections of the harddrive.

Edit: I used DD to copy a tiny part of the Linux partition from my laptop so I could look at it. Most of it is illegible binary of course, but I scrolled through till I found some text right near the beginning:

Code:

VolGroup00 {
id="F2MWxh-....-BidcLe"
seqno = 1

[code]....

So it seems that the DD command did copy everything over to the laptop, which is good to know. I noticed that it says device="/dev/sda3" right in the middle of the code I just posted. The Linux section of my original computer was SDA3 but I copied it to partition SDA2 of my laptop. So is the problem because the boot partition is for the wrong device? I don't suppose if I modified that one line to say SDA2 it would be able to load correctly? (Not that I know how I would modify the line, short of using the DD command again).

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Code:

etam@etam-laptop:~> sudo xeyes
root's password:
No protocol specified
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Code:

Defaults env_keep = "LANG LC_ADDRESS LC_CTYPE LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE LC_TIME LC_ALL LANGUAGE LINGUAS XDG_SESSION_COOKIE XMODIFIERS GTK_IM_MODULE QT_IM_MODULE QT_IM_SWITCHER DISPLAY"
Some interesting facts:

[code]....

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[Code]...

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Jan 3, 2010

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Ok, what happened is that the measure twice cut once rule or one of its variants went into effect, and I put the hinge on the wrong side of the box. Normally I would say just flip the screen around, but one edge is wider than the other, so that will not do. I want have the hinge towards the couch so that I can tilt it up and be able to easily see the screen.

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I tried the command Code: Select allxrandr --output LVDS1 --auto --primary --output HDMI1 --off. This however just turns my external display off without turning on my laptop's display. I suspect this has something to do with the fact that LVDS1 has two modes at 1366x768; perhaps only one of them can actually display? I'm not sure, but anyways here's the output of xrandr:

Code: Select allScreen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 193mm
   1366x768      59.99*+
   1360x768      59.80    59.96 
   1024x768      60.00 
   800x600       60.32    56.25 

[Code] ....

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The good news is that I fixed my problem. It turns out that my backlight was not turning on, giving the appearance that my laptop screen was not displaying anything.

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Section "Device"
Identifier "Videocard0"
Driver "intel"
EndSection

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[Code]....

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[Code]....

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