Note: On a fresh install it will be working and these are the lines that follow
(where it usually freezes):
"
NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
#2 #3
x86: Booted up 1 node, 4 CPUs
smpboot: Total of 4 processors activated (19159.92 BogoMIPS)
"
After up
I also receive this issue.
It was booting fine on Ubuntu 14.10 and I did a dist-upgrade. Following the
dist-upgrade, Ubuntu would fail to boot. When entering recovery mode, I found
the boot froze on the exact same lines as in the OP.
I have a core i5-520m and a Radeon 5650M.
I tested kernel 3.1