Here is that message I was talking about. I am running 1.3-ALPHA with the
provided kernel (GENERIC-47?). I am using a performa 405 w/fpu. The scsi
id for the BSD drive is no. 4. The message has popped up on booting when
the rc script begins and a couple of times when exiting or killing jobs. 

scsi_show: scsi_main is running
REQ-ISSUED: 4	   0x3ce000[4096]  cmd[0]=8 s=0 M=ff R=0 resid=4096
dr_flag=0
REQ-CONNECTED: 4      0x3ce000[4096]  cmd[0]=8 s=0 M=4 R=0 resid=4096
dr_flag=0
Bus signals   (6d/00):PARIl/oIc/DIREQIBSY

Dma status  (00):
phase=1, busy:10,    spl:2204
	0
scsi_main4
	1
scsi_main5
	2
pdma_cleanup2
	3
irq
	4
pdma_ready0
	5
pdma_ready4
	6
reselect1
	7
tpio1
	8
tpio2
	9
reselect2
	10	scsi_main1
	11	info_transf1
	12	info_transf3
	13	transfer_pdma0
	14	waiting for interrupt
	15	scsi_main3
	16	scsi_main4
	17	scsi_main5
	18	drq(in)
	19	end drq
	20	scsi_main1
	21	scsi_main3
	22	scsi_main4
	23	pdma_ready0
	24	pdma_ready1

Unexpected phase change