Comment # 4 on bug 924807 from Michal Hocko

(In reply to Martin Koller from comment #2)
> Created attachment 629470 [details]
> new test with a lot kernel modules removed
> 
> I've redone a test with a lot kernel modules removed manually (modprobe -r)

It would be better to black list those modules so they do not get loaded at
all. Some of them might leave a mess behind.

(In reply to Martin Koller from comment #3)
> I should also mention that I installed a newer kernel
> (kernel-desktop-3.19.2-1.2.x86_64) with which the problem is gone.

Does it have the same set of out-of-tree modules?