Suspend seems to have two issues on the Latitude D820, Nvidia drivers
and Compiz running.
The workaround is as follows:
1) sudo gedit /etc/X11/xorg.conf and make sure the following lines are
there or match:
Section "Device"
Identifier "nVidia Corporation G72M [GeForce Go 7400]"
Driver "nvidia"
Busid "PCI:1:0:0"
Option "UseEDIDDpi" "False"
Option "AddARGBVisuals" "True"
Option "AddARGBGLXVisuals" "True"
Option "NoLogo" "True"
Option "NvAGP" "1"
EndSection
2) sudo gedit /etc/default/acpi-support and make sure the following are
changed:
SAVE_VBE_STATE=false #ex-true
POST_VIDEO=false #ex-true
USE_DPMS=false #ex-true
LOCK_SCREEN=false #ex-true
3) gedit /etc/acpi/suspend.d/03-kill-compiz.sh
killall compiz.real
4) chmod 755 /etc/acpi/suspend.d/03-kill-compiz.sh
5) gedit /etc/acpit/resume.d/99-restore-compiz.sh
su - <your-user-name> -c "compiz --replace gconf"
6) chmod 755 /etc/acpi/resume.d/99-restore-compiz.sh
And that should do it. Of course, your could just disable desktop
affects, but that wouldn't be any fun.
--
Suspend to ram erratic latest gutsy 09/17/2007
https://bugs.launchpad.net/bugs/140590
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