Jul 11 20:10:14 laptop kernel: [ 1315.592000] Uhhuh. NMI received for unknown reason a0 on CPU 0. Jul 11 20:10:14 laptop kernel: [ 1315.592000] You have some hardware problem, likely on the PCI bus. Jul 11 20:10:14 laptop kernel: [ 1315.592000] Dazed and confused, but trying to continue Jul 11 20:12:30 laptop syslogd 1.4.1#20ubuntu4: restart.