[SeaBIOS] handle_hwpic1 irq=0 - what's going on?

[Christian Gmeiner]

All threads complete.
Mapping hd drive 0x000fdb10 to 0
drive 0x000fdb10: PCHS=0/0/0 translation=lba LCHS=974/255/63 s=15663104
finalize PMM
malloc finalize
Space available for UMB: 000c0000-000ef000
Returned 57344 bytes of ZoneHigh
e820 map has 5 items:
  0: 0000000000000000 - 000000000009fc00 = 1 RAM
  1: 000000000009fc00 - 00000000000a0000 = 2 RESERVED
  2: 00000000000f0000 - 0000000000100000 = 2 RESERVED
  3: 0000000000100000 - 000000000f7be000 = 1 RAM
  4: 000000000f7be000 - 000000000f7e0000 = 2 RESERVED
Jump to int19
enter handle_19:
  NULL
Booting from Hard Disk...
ehci_send_bulk qh=0x000ef680 dir=0 data=0x000eff50 size=31
data:
00000000:handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
handle_hwpic1 irq=0
--
Christian Gmeiner, MSc