Per my comments on the other bug report, this appears to be fixed upstream. I did not use the absolute latest kernel, rather the latest that was tagged for 14.10.
╰─➤ uname -a Linux xps15 3.17.1-031701-generic #201410150735 SMP Wed Oct 15 11:36:31 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux This kernel appears to work correctly through multiple suspend/resume cycles, including one that was overnight. ** Tags added: kernel-fixed-upstream kernel-fixed-upstream-3.17.1-031701 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1431629 Title: Suspend crashes and causing the computer shut down on Dell XPS 15 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1431629/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs