Same problem here on a Thinkpad T40. Hibernate has not worked since I began using Feisty Herd 4 (around 2.6.20-8 kernel). Hibernate has worked fine under Edgy though. Suspend to ram works Fine under Feisty. I have attached uname -a, lspci -vvnn, and dmesg after hibernate attempt.
Same problem here on a Thinkpad T40. Hibernate has not worked since I began using Feisty Herd 4 (around 2.6.20-8 kernel). Hibernate has worked fine under Edgy though. Suspend to ram works Fine under Feisty. I have attached uname -a, lspci -vvnn, and dmesg after hibernate attempt.