If it is reproducible could you try the suspend from VT1, press ctrl- alt-F1, login, and run pm-suspend there. If you could test and report back here that would be helpful. We may see additional messages there.
Also looking at your dmesg there does seem to be a hash detected in the boot: [ 3.686313] Magic number: 1:710:149 [ 3.686376] bdi 1:1: hash matches Which implies that that may be the device at fault. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- [FUJITSU SIEMENS AMILO Li 2735] suspend/resume failure https://bugs.launchpad.net/bugs/337470 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs