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[Bug 588940] Re: Xorg freeze drm radeon 'Faild to schedule IB'

 

For other who might run into this even going into failsafe mode I had to
hit the 'E' key to edit the boot entry and add 'nomodeset' to the boot
options, then choose the 'root console' option off the failsafe menu,
then create the generic xorg.conf to specify vesa as the driver to use:

# Generic xorg.conf

Section "Device"
	Identifier	"Configured Video Device"
	Driver		"vesa"
EndSection

Section "Monitor"
	Identifier	"Configured Monitor"
EndSection

Section "Screen"
	Identifier	"Default Screen"
	Monitor		"Configured Monitor"
	Device		"Configured Video Device"
EndSection

#End of xorg.conf

: Then edit /etc/default/grub to add 'nomodeset' to the options:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset"

: then issue the command:

update-grub

: to update the relavant grub configurations.

-- 
Xorg freeze drm radeon 'Faild to schedule IB'
https://bugs.launchpad.net/bugs/588940
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