Bug 509896 - can't use 1680x1050 in dualhead.
can't use 1680x1050 in dualhead.
Product: Fedora
Classification: Fedora
Component: xorg-x11-drv-ati (Show other bugs)
All Linux
low Severity medium
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Assigned To: X/OpenGL Maintenance List
Fedora Extras Quality Assurance
Depends On:
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Reported: 2009-07-06 13:57 EDT by Dave Jones
Modified: 2015-01-04 17:31 EST (History)
3 users (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2009-10-14 08:25:12 EDT
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RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
xorg log (224.54 KB, text/plain)
2009-07-06 13:58 EDT, Dave Jones
no flags Details

  None (edit)
Description Dave Jones 2009-07-06 13:57:40 EDT
I have this ..

01:00.0 VGA compatible controller: ATI Technologies Inc RV370 5B60 [Radeon X300 (PCIE)]
01:00.1 Display controller: ATI Technologies Inc RV370 [Radeon X300SE]

and two Dell LCDs. (One 21" and one 22", both capable of 1680x1050)

Xorg starts up in dual head, but will only run them in 1280x1024.
If I try to use the display config tool to set higher resolutions, it pops up a dialog that says

"Could not apply the selected configuration

Required virtual size does not fit available size: requested=(2960,1050),minimum=(320,200), maximum=(2560,1200)
Comment 1 Dave Jones 2009-07-06 13:58:51 EDT
Created attachment 350655 [details]
xorg log
Comment 2 Jérôme Glisse 2009-10-14 07:41:57 EDT
You need to set the virtual size option in xorg log to somethings big enough to handle your monitor (2960,1050) as reported in the error message. With KMS and memory manager newer X will soon be able to do that on their own without having you to restart the X server. I think this bug should be closed.

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