Try if it's working with: echo mem > /sys/power/state
if not working, try echo 1 > /proc/sys/kernel/acpi_video_flags it can be different modes 1, 2, 3 more you can read here:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/power/video.txt;h=2b358498d095b59d8ddf950b1c1ec109c2c6e7d8;hb=HEAD
Ist suspend working with kernel boot option nosmp?
Try if it's working with:
echo mem > /sys/power/state
if not working, try kernel/ acpi_video_ flags
echo 1 > /proc/sys/
it can be different modes 1, 2, 3
more you can read here:
http:// git.kernel. org/?p= linux/kernel/ git/torvalds/ linux-2. 6.git;a= blob;f= Documentation/ power/video. txt;h=2b358498d 095b59d8ddf950b 1c1ec109c2c6e7d 8;hb=HEAD
Ist suspend working with kernel boot option nosmp?