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Upgraded from 12.04 to 12.10 (64-bit both).
Now system can't start with radeon or nvidia cards, X server fails to create
screen.
Only proprietary nvidia driver works (but not needed for me).
nouveau or radeon, both give same at end of Xorg.log:
[ 18.757] (WW) xf86OpenConsole: setpgid failed: Operation not permitted
[ 18.757] (WW) xf86OpenConsole: setsid failed: Operation not permitted
[ 18.757] (WW) Falling back to old probe method for vesa
[ 18.757] (WW) Falling back to old probe method for modesetting
[ 18.757] (WW) Falling back to old probe method for fbdev
[ 18.757] (EE) No devices detected.
[ 18.757]
Fatal server error:
[ 18.757] no screens found
MacPro 2008, grub 2.0, booting via efi, kms works fine.
tried 8800gt, gtx560ti, radeon 6870/6970, all with efi part allowing to
have efi bootscreen.
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment
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FOSS graphics drivers fail to start
https://bugs.launchpad.net/bugs/1069452
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