Red Hat Bugzilla – Bug 87752
Multiheaded or xinerama support
Last modified: 2007-04-18 12:52:40 EDT
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Description of problem:
I've had a multiheaded system for a while now, and everytime I upgrade I manage
to forget to save my old XF86 config file. It would be nice if the install
would detect the fact that I have multiple graphics cards and give me the option
of setting them both up.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Install the OS
2. Start X
3. One screen active, other screen absent
Actual Results: `
*** This bug has been marked as a duplicate of 74132 ***
74132 does not seem to have anything to do with multiheaded systems. It seems
to talk about the resolutions.
I assumed that 74132 was related to what I was looking for because of the
summary until I read the comments of the problem.
I have two physically different graphics cards in my computer. It would be nice
if redhat-config-xfree86 saw that and configured both of them so I could use
As a Side note, I was able to generate a new config file for the second card by
adding the BusID of the second card to my system. I don't know if this would
work often, since my second card uses the same driver, and has a similar monitor
plugged in. Ideally there would be a way which BusID to use when detecting the
card and settings.
I won't reopen this bug, but I'll leave it up to you to decide.
redhat-config-xfree86 should handle systems with one dual-head card and also
systems with two single-head cards. You have to make sure to select the correct
secondary video card in the multihead screen.
If you have a dual-head card, there should be only one option in the videocard
list. If you have more than one video card, be sure to select the secondary
card from the list.
I'll attach a screenshot showing the Second Video Card option menu.
Created attachment 95320 [details]
So redhat-config-xfree86 supports only two monitors, no more ?
I have a PCI card ( one monitor ) and an AGP card ( two monitors ).
I guess I'll have to set them up manually.
Yes, it supports only dualhead at the moment. It is the most common setup
besides single-head systems. I can extend the tool to handle more than one
monitor in the future if that becomes a common setup.
Changed to 'CLOSED' state since 'RESOLVED' has been deprecated.