Bug 10382 - Impossible to capture screen image when running two X servers
Summary: Impossible to capture screen image when running two X servers
Status: RESOLVED NOTABUG
Alias: None
Product: xorg
Classification: Unclassified
Component: Server/General (show other bugs)
Version: 6.8.1
Hardware: x86 (IA32) Linux (All)
: medium normal
Assignee: Xorg Project Team
QA Contact: Xorg Project Team
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Reported: 2007-03-23 00:12 UTC by Artem Ananiev
Modified: 2008-02-24 19:08 UTC (History)
1 user (show)

See Also:
i915 platform:
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Attachments

Description Artem Ananiev 2007-03-23 00:12:45 UTC 
I'm running two X servers on my desktop, say :0 and :1, they can be switched with ctrl+alt+f7 and ctrl+alt+f8. When I'm on the :0 and run

xwd -display :0 -root -out 1.xwd

it works correctly. However, if I try to capture an image from :1, I only get a garbage. The same is true if I'm running on :1 and trying to capture :0. The same test works correctly if the second server is Xnest of Xvfb.
Comment 1 Adam Jackson 2008-02-24 19:08:54 UTC 
This is expected.  When the X server switches away from the VT, it loses the framebuffer; there's no storage for the screen, at all.

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