[Bug 29695] Re: after sleep+resume I can't restart the system

[Ben Collins]

Mainly, letting it hang in console mode so you can see any output from
the kernel.

Also, when it hangs, give it a few minutes to see if the kernel says
anything, and also try some of the tips at:

https://wiki.ubuntu.com/DebuggingSystemCrash

-- 
after sleep+resume I can't restart the system
https://launchpad.net/bugs/29695