I confirm this bug too. I have exactly the same issues and tested it in the same way as @Darrell Kavanagh (bug #305301) - X200M, Fujitsu-Siemens Amilo Li 1718, kernel 2.6.28-13-generic on Jaunty, suspend/hibernate working with DRI off, not working if on. I managed to get a pm_trace that says:
I confirm this bug too. I have exactly the same issues and tested it in the same way as @Darrell Kavanagh (bug #305301) - X200M, Fujitsu-Siemens Amilo Li 1718, kernel 2.6.28-13-generic on Jaunty, suspend/hibernate working with DRI off, not working if on. I managed to get a pm_trace that says:
[ 5.135993] Magic number: 0:81:18 buildd/ linux-2. 6.28/drivers/ base/power/ main.c: 390
[ 5.136051] hash matches /build/
I hope this will help.