I was having the same issue after I had to hard reset on system lockup on 3.15.1 mainline.
cat /var/log/pm-suspend.log revealed the following. Running hook /usr/lib/pm-utils/sleep.d/60_wpa_supplicant suspend suspend: Failed to connect to non-global ctrl_ifname: (null) error: No such file or directory /usr/lib/pm-utils/sleep.d/60_wpa_supplicant suspend suspend: success. Running hook /usr/lib/pm-utils/sleep.d/75modules suspend suspend: /usr/lib/pm-utils/sleep.d/75modules suspend suspend: not applicable. Running hook /usr/lib/pm-utils/sleep.d/90clock suspend suspend: /usr/lib/pm-utils/sleep.d/90clock suspend suspend: not applicable. Running hook /usr/lib/pm-utils/sleep.d/94cpufreq suspend suspend: /usr/lib/pm-utils/sleep.d/94cpufreq suspend suspend: success. Running hook /usr/lib/pm-utils/sleep.d/95anacron suspend suspend: stop: Unknown instance: /usr/lib/pm-utils/sleep.d/95anacron suspend suspend: success. Running hook /usr/lib/pm-utils/sleep.d/95hdparm-apm suspend suspend: /usr/lib/pm-utils/sleep.d/95hdparm-apm: 32: .: Can't open /lib/hdparm/hdparm-functions /usr/lib/pm-utils/sleep.d/95hdparm-apm suspend suspend: Returned exit code 2. Fri Jun 27 22:16:29 PDT 2014: Inhibit found, will not perform suspend Fri Jun 27 22:16:29 PDT 2014: Running hooks for resume Running hook /usr/lib/pm-utils/sleep.d/95anacron resume suspend: start: Job failed to start /usr/lib/pm-utils/sleep.d/95anacron resume suspend: success. I reinstalled pmutils, hdparam and anacron and suspend/resume work again. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1315316 Title: [Lenovo ThinkPad T440s] suspend/resume failing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1315316/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
