dmesg | grep fire -i

:~$ dmesg | grep fire -i
[    4.094812] firewire_ohci 0000:04:0e.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
[    4.160054] firewire_ohci: Added fw-ohci device 0000:04:0e.0, OHCI v1.10, 4 IR + 8 IT contexts, quirks 0x11
[    4.185303] firewire_core: BM lock failed, making local node (ffc0) root.
[    4.185306] firewire_core: phy config: card 0, new root=ffc0, gap_count=5
[    4.660090] firewire_core: created device fw0: GUID 0049e55081000700, S400
[   42.576025] firewire_core: giving up on config rom for node id ffc0
[48979.219309] firewire_core: phy config: card 0, new root=ffc1, gap_count=5
[49017.624042] firewire_core: giving up on config rom for node id ffc0