I thought I'd try 12.04 LTS again for the first time in ages, to make
sure the sleep bug still didn't affect this PC with it, but now it does:

It stays on a black screen and doesn't resume at all anymore, pressing
ctrl + alt F1 showed

nouveau called panic error (shown in terminal under the initializing
section).

So this PC may have bigger compatibility issues with the Linux Kernels
than I thought. I fixed it last time (From not waking) by making it
shutdown then reboot the USB stack at shutdown/wake tho. So I know this
kernel can work properly with it. I thought it was 12.10 that I had to
add the USB commands to the proc files, which is why I said 13.04 was
the first time the fix no longer worked for me. I'll try to find the USB
fix again and see if that makes a difference to all the problems I am
having with my power management, I just wish I could use the SysRq
captures to report the proper oops, but it says this function isn't
available when I try to use them.

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https://bugs.launchpad.net/bugs/1224221

Title:
  Problem with Sleep/Wake in Ubuntu 13.04 and greater

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