Suspend to ram does not work at all with 2.6.17 for me on a toshiba Portege M200. Suspend to disk sometimes works (more often it just crashes the machine). Suspend to ram worked reliably on 2.6.15 and if I force install a Dapper kernel on edgy it starts working again!
https://launchpad.net/distros/ubuntu/+source/acpi-support/+bug/66516 -- [regression] Suspend [to-RAM and to-disk] is broken in 2.6.15-25.43 https://launchpad.net/bugs/50031 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs