It appears I am seeing this same bug in Kubuntu 12.04. It happens when I have an NFS mounted FS open in Dolphin and attempt to sleep the machine. I have reported this is (many) earlier versions. It is nothing new.
** Attachment added: "dmesg output" https://bugs.launchpad.net/ubuntu/+source/kdeutils/+bug/24330/+attachment/3121567/+files/caca -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kdeutils in Ubuntu. https://bugs.launchpad.net/bugs/24330 Title: CIFS mount blocks suspend/hibernate To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/24330/+subscriptions -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs