Sound won't work under the stock ALSA 1.0.14 shipped with Ubuntu Feisty Fawn, but will in later versions including the patched 1.0.14 shipped with Ubuntu Gutsy Gibbon. To fix this, run alsamixer in a terminal window; right-arrow over until the Speaker column is visible, and press the "m" key to toggle it from mute ("MM") to on ("OO").You may have to go to System- If your X61 starts to resume a few seconds after you suspended it to RAM, then you might need to unload the USB modules uhci_hcd and ehci_hcd before going to sleep.I would be surprised if most people could tell me what an Eft or an Ibex was. Crossfire should install and run on any Linux variant that supports X and has the libraries which Crossfire requires.It seems likely the difference is due to the GNOME upgrade.In general the the backlight problem can be solved by suspending with Please see also this link for adding the s2ram to your acpi scripts.The easiest way to install Crossfire on Debian is to use the Debian package system and repository.
This will install the Crossfire server (crossfire-server) and the current map set (crossfire-maps) If necessary, you can stop, start or restart the crossfire server via the following commands, respectively: Crossfire is available in all (K|X)Ubuntu distributions (warty, hoary, breezy, dapper, edgy, feisty, gutsy, hardy, ibex, jaunty, karmic, lucid and maverick) and found in the universe section; the exceptions being that the crossfire-client-gtk2 client is only available for the edgy, feisty, hardy, ibex, jaunty, karmic, lucid and maverick distribution and the no longer maintained crossfire-maps-small (aka small world which stopped being maintained at v1.5.0) package is only available for the dapper, hardy, jaunty, karmic, lucid and maverick releases.
There are informative Ubuntu forum threads on Feisty and Gutsy for the X61.