Note You need to log in before you can comment on or make changes to this bug. Apparently it’s a broken checksum, the first four bytes that get read are like 50 a0 00 50 or something weird instead of 00 ff ff ff. The script makes sure that there exist an identical layout identifier in xorg. But, this trick doesn’t work with ubuntu amd64, because of non compatiblity with EDID 1. Results 1 to 6 of 6. Add tags Tag help.


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Ddccprobe here the fix: Then, I use this command: I found that dmesg contained enough information for me so: Joseph Brown for the idea to use ddcprobe to scan the VGA port. Please make sure that you backup your configuration files before continuing.

Launchpad Janitor janitor wrote on Choose Xorg layout automatically based on ddcprobe.

Re: no more ddcprobe? where is /etc/sysconfig/hwconf? is kudzu gone?

Choose Xorg layout automatically based on ddcprobe hi all, Thanks for this great Howto. Join Date Feb Beans Results 1 to 6 of 6. Unfortunately the ddcprobe command probes the vga port and says “input: I would even tolerate some kind of trick in the Grub boot menu so that I could pass a kernel parameter for when I want to attach a monitor, then detect that kernel parameter on boot of services, and then swap the proper xorg.


I have not been able to find much information about ddcprobe. Notice that framebuffer only goes to a low resolution.


The result is then stored into a variable. Radeon is of rv or thereabouts vintage.

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Comment 6 Dave Airlie You need to log in to change this bug’s status. Anybody knows if there is an alternative way to make it work?


Be sure to add permissions using: You are not directly subscribed to this bug’s notifications. Browse Requests Reports Product Dashboard. Comment 4 Bill Crawford Changed in xresprobe Ubuntu: October 7th, 6. I offer no support for this guide and it is to be used at your own risk! So, I wrote a script that determines if an external monitor is attached and uses a specific ServerLayout in the xorg. To post a comment you must log in.

Re: no more ddcprobe? where is /etc/sysconfig/hwconf? is kudzu gone?

I found a fix so maybe it helps someone. The script uses ddcprobe to determine whether or sdcprobe the external monitor was attached. April 22nd, 1.


I wanted to use ddcprobe to detect when an external monitor is attached and use the proper xorg. Choose Xorg layout automatically based on ddcprobe Description: I lose many hours of my life when Edcprobe ignore this advice. Join Date Sep Beans 2.