Red Hat Bugzilla – Bug 445012
Need xorg.conf to set Virtual window size
Last modified: 2018-04-11 03:55:33 EDT
Description of problem:
I would like to have an external monitor hooked up to my Lenovo T61 laptop.
When I try to resize the external monitor up, it says it can't because the
Virtual Window size was too small. I had to edit /etc/X11/xorg.conf to add
Virtual to get my monitor.
00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated
Graphics Controller (rev 0c)
Version-Release number of selected component (if applicable):
100% as far as I can tell.
Steps to Reproduce:
1. Install F9
2. xrandr --output VGA --auto --right-of LVDS
It complains about the virtual window size being too small.
It extends my desktop onto the second screen.
Thanks for the bug report. We have reviewed the information you have provided
above, and there is some additional information we require that will be helpful
in our diagnosis of this issue.
Please attach your X server config file (/etc/X11/xorg.conf) and X server log
file (/var/log/Xorg.*.log) to the bug report as individual uncompressed file
attachments using the bugzilla file attachment link below.
Could you please also try to run without any /etc/X11/xorg.conf whatsoever and
let X11 autodetect your display and video card? Attach to this bug
/var/log/Xorg.0.log from this attempt as well, please.
We will review this issue again once you've had a chance to attach this information.
Thanks in advance.
Created attachment 304455 [details]
This is my xorg.conf with the Virtual line.
Created attachment 304456 [details]
Xorg log with xorg.conf
Created attachment 304642 [details]
Xorg log without xorg.conf
When I do not have an xorg.conf I get the following.
shenson@baseborn ~$ xrandr --output VGA --auto --right-of LVDS
xrandr: screen cannot be larger than 1680x1680 (desired size 2960x1050)
Changing version to '9' as part of upcoming Fedora 9 GA.
More information and reason for this action is here:
I got the same problem with the i386 version of Fedora 9. Additional to the fact
i have to manually add the line in xorg.conf, i still can't get the extended
desktop working due to this obstacle: when i restart the X server, i won't get
the login screen, only a gradient blue striped screen. Other tty are still
accessible, so i could change the xorg.conf back to it's original state.
FC9 for i386
I did attach my current xorg.conf with the "virtual" line as comment.
Created attachment 305930 [details]
Xorg.conf with virtual line in comment
Apparently the Virtual keyword is not supported in the latest version of the xorg server code. I found that out when installing Fedora 9. I understand now why I could not make my virtual screen any larger than the size of the physical screen.
Please see the following report at:
The 'Virtual' keyword in /etc/X11/xorg.conf has been dropped, due to the reorganisation of the X11 server code.
Please can we have the code to implement virtual desktops put back into the xorg server? I don't know how I'm going to manage without it!
I have tried F9 but I can't do much at all without virtual screens. This is what part of my /etc/X11/xorg.conf file looks like:
Viewport 0 0
Virtual 800 1800
I'm still on F8 at the moment, purely for the reason of the xorg server in F9 not implementing the Virtual keyword.
I just hope this gets put back again ASAP please. I'm seriously considering running F8, and compiling Apache and PHP myself, until this issue gets sorted.
The Virtual option seems to be supported in both F9 and F10. But it's still annoying that the default virtual desktop size is too small to allow side-by-side (non-mirrored) displays; I have to add "Virtual 3440 1680" to xorg.conf manually, otherwise the Screen Resolution application silently fails to set up the external display.
I managed to trim down my xorg.conf file to only the following Screen section:
Viewport 0 0
Virtual 3840 1200
leaving everything else to be autodetected. Everything else I needed (swapping caps and control keys, adding SHMConfig to my synaptics driver, etc) is now configured via hal fdi policy files in /etc/hal/fdi/policy/... (and, as of F10, these settings are ignored if placed directly into xorg.conf anyway).
Wondering if configuring the virtual display size is something that should also be migrated to hal, and, if so, whether there's an example out there on how to do it.
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