serge@serge-desktop:~$ cat /proc/interrupts
           CPU0       CPU1       CPU2       CPU3
  0:     222625          0          0          0   IO-APIC-edge      timer
  1:       2499          0          0          0   IO-APIC-edge      i8042
  8:         26          0          0          0   IO-APIC-edge      rtc
  9:          0          0          0          0   IO-APIC-fasteoi   acpi
 12:          4          0          0          0   IO-APIC-edge      i8042
 15:       7902          0          0          0   IO-APIC-edge      ide1
 16:      92228          0          0          0   IO-APIC-fasteoi   ehci_hcd:usb2, eth0
 17:      12973          0          0          0   IO-APIC-fasteoi   libata
 18:          0          0          0          0   IO-APIC-fasteoi   libata
 19:      13941          0          0          0   IO-APIC-fasteoi   ohci_hcd:usb1
 20:      53630          0          0          0   IO-APIC-fasteoi   nvidia
NMI:          0          0          0          0
LOC:     220201     220256     221239     221240
ERR:          1
MIS:          0