Mar 15 18:30:12 visvaio kernel: ohci1394: v0.50 15/Jul/01 Ben Collins 
<bcollins@debian.org>
Mar 15 18:30:12 visvaio kernel: PCI: No IRQ known for interrupt pin A of device 02:02.0. 
Please try using pci=biosirq.
Mar 15 18:30:12 visvaio kernel: ohci1394: Failed to allocate shared interrupt 0
Mar 15 18:30:12 visvaio kernel: Trying to free free IRQ0