You have been subscribed to a public bug:
OS: Ubuntu12.10 alpha
Platform: DELL LATITUDE E6330 with IvyBridge
Details:
Seting the mirror diplays after connecting the HDMI. The mirror displays will
keep
about 30 seconds then switch to extended desktop with a black screen flicker.
at the same time user can't set screen resolution because it is grey.
But if using xrandr command to do mirror display, it will keep and not return
to extended display.
12.04 has no problem, it is a regression of 12.10 on desktop AP.
Reproducible: Always
Steps to Reproduce:
1.set mirror display from the display which under the application.
2.wait for about 30 seconds.
** Affects: gnome-settings-daemon (Ubuntu)
Importance: Undecided
Status: New
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mirror displays switch to extended displays automatically
https://bugs.launchpad.net/bugs/1024315
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