Thanks for your help.
I did what you suggested. Here is the result.
** Attachment added: "dmesg1"
** Changed in: pm-utils (Ubuntu)
Status: Incomplete => New
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
Computer sluggish/irresponsive for several minutes after hibernation
To manage notifications about this bug go to:
ubuntu-bugs mailing list