On Monday, 7 of April 2008, Romano Giannetti wrote:
Your graphics adapter is different from the Soeren's one and the fact that
"echo mem > /sys/power/state" works for you now is probably a result of the
recent changes in the i915 driver that is now supposed to handle suspend
That said, there had to be a change that affected both of your systems
between 2.6.24 and .25-rc8. Moreover, I'm suspecting ACPI or something
generic in the DRM core.
As far as ACPI is concerned, one commit related to backlight has just been
reverted, so Soeren, can you please test the current Linus' tree?