This bug is probably not relevant anymore, I just tried on my laptop and it crashed nicely:
ii linux-crashdump 3.13.0.49.56 amd64 Linux kernel crashdump setup for the latest generic kernel Kernel: 3.16.0-28-generic On trusty. ** Tags removed: cts ** Changed in: kexec-tools (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1324125 Title: Unable to trigger a kernel crash dump on laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kexec-tools/+bug/1324125/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs