Quoting James Haggerty <j.h@student.usyd.edu.au>:

> The second patch wouldn't compile due to 'chan' being undefined (line
> 128).
> I'm recompiling the kernel now with that section commented out; I'll
> email
> when that's done.

No panic, but it fails (with line 128 etc. removed):

pnpbios0 at mainbus0: nodes 16, max len 207
pciide0 at pnpbios0 index 12 (TOS7300)
pciide0: io 1f0-1f7 3f6 1800-180f, irq 14
pciide0: Toshiba Extended IDE Controller
atabus0 at pciide0 channel 0
...
wd0 at atabus0 drive 0: <TOSHIBA MK6411MAT>
wd0: drive supports 16-sector PIO transfers, LBA addressing
wd0: 6194 MB, 13424 cyl, 15 head, 63 sec, 512 bytes/sect x 12685680 sectors
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 2 (Ultra/33)
pciide0:0:0: lost interrupt
        type: ata tc_bcount: 512 tc_skip: 0
pciide0:0:0: bus-master DMA error: missing interrupt, status=0x1
wd0d: DMA error reading fsbn 0 (wd0 bn 0; cn 0 tn 0 sn 0), retrying
pciide0:0:0: lost interrupt
        type: ata tc_bcount: 512 tc_skip: 0
pciide0:0:0: bus-master DMA error: missing interrupt, status=0x0
wd0d: DMA error reading fsbn 0 (wd0 bn 0; cn 0 tn 0 sn 0), retrying
pciide0:0:0: lost interrupt
        type: ata tc_bcount: 512 tc_skip: 0
pciide0:0:0: bus-master DMA error: missing interrupt, status=0x1
wd0d: DMA error reading fsbn 0 (wd0 bn 0; cn 0 tn 0 sn 0), retrying

----------------------------------------------------------------
This message was sent using IMP, the Internet Messaging Program.