atapiscsi ignoring flags

From: Alec Skelly <alec(at)dtkco.com>
Date: Wed Dec 04 2002 - 17:09:01 EST

I'm having trouble trying to force PIO mode 0 on atapiscsi. I set the flags as below in my kernel config, but it doesn't seem to matter. You can see in the dmesg that st0 is still using PIO mode 3. Am I doing something wrong?

Thanks,
Alec

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atapiscsi* at wdc? channel ?
atapiscsi* at pciide? channel ? flags 0x0ff8 scsibus* at atapiscsi?

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OpenBSD 3.2-stable (ISDN) #1: Wed Nov 27 12:28:13 PST 2002

    alec@isdn:/usr/src/sys/arch/i386/compile/ISDN cpu0: Intel Pentium II ("GenuineIntel" 686-class, 512KB L2 cache) 351 MHz
cpu0:
FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,SYS,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,F XSR
real mem = 66682880 (65120K)
avail mem = 56299520 (54980K)
using 839 buffers containing 3436544 bytes (3356K) of memory mainbus0 (root)
bios0 at mainbus0: AT/286+(06) BIOS, date 03/03/00, BIOS32 rev. 0 @ 0xf0520
apm0 at bios0: Power Management spec V1.2 apm0: AC on, battery charge unknown
pcibios0 at bios0: rev. 2.1 @ 0xf0000/0xd92 pcibios0: PCI IRQ Routing Table rev. 1.0 @ 0xf0d10/128 (6 entries) pcibios0: PCI Interrupt Router at 000:04:0 ("Intel 82371FB PCI-ISA" rev 0x00)
pcibios0: PCI bus #1 is the last bus
bios0: ROM list: 0xc0000/0x8000
pci0 at mainbus0 bus 0: configuration mode 1 (no bios) pchb0 at pci0 dev 0 function 0 "Intel 82443BX PCI-AGP" rev 0x02 ppb0 at pci0 dev 1 function 0 "Intel 82443BX AGP" rev 0x02 pci1 at ppb0 bus 1
vga1 at pci1 dev 0 function 0 "NVidia/SGS-Thomson Velocity128" rev 0x10 wsdisplay0 at vga1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) pcib0 at pci0 dev 4 function 0 "Intel 82371AB PIIX4 ISA" rev 0x02 pciide0 at pci0 dev 4 function 1 "Intel 82371AB IDE" rev 0x01: DMA, channel 0 wired to compatibility, channel 1 wired to compatibility wd0 at pciide0 channel 0 drive 0: <WDC AC310100B> wd0: 16-sector PIO, LBA, 9671MB, 16383 cyl, 16 head, 63 sec, 19807200 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2 atapiscsi0 at pciide0 channel 1 drive 0
scsibus0 at atapiscsi0: 2 targets
cd0 at scsibus0 targ 0 lun 0: <TOSHIBA, CD-ROM XM-6402B, 1008> SCSI0 5/cdrom removable
atapiscsi1 at pciide0 channel 1 drive 1
scsibus1 at atapiscsi1: 2 targets
st0 at scsibus1 targ 0 lun 0: <EXABYTE, EAGLE TR-4 ATAPI, E02A> SCSI2 1/sequential removable
st0: density code 0x45, 512-byte blocks, write-enabled cd0(pciide0:1:0): using PIO mode 0
st0(pciide0:1:1): using PIO mode 3
uhci0 at pci0 dev 4 function 2 "Intel 82371AB USB" rev 0x01: irq 5 usb0 at uhci0: USB revision 1.0
uhub0 at usb0
uhub0: vendor 0x0000 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub0: 2 ports with 2 removable, self powered "Intel 82371AB Power Mgmt" rev 0x02 at pci0 dev 4 function 3 not configured
dc0 at pci0 dev 10 function 0 "Lite-On PNIC" rev 0x20: irq 10 address 00:a0:cc:22:25:70
ukphy0 at dc0 phy 1: Generic IEEE 802.3u media interface ukphy0: OUI 0x00c0b4, model 0x0000, rev. 8 isa0 at pcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0 pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <PC speaker>
sysbeep0 at pcppi0
lpt0 at isa0 port 0x378/4 irq 7
npx0 at isa0 port 0xf0/16: using exception 16 pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo pccom1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec biomask c060 netmask c460 ttymask d4e2
pctr: 686-class user-level performance counters enabled mtrr: Pentium Pro MTRR support
dkcsum: wd0 matched BIOS disk 80
root on wd0a
rootdev=0x0 rrootdev=0x300 rawdev=0x302
pccom1: 1 silo overflow
st0(pciide0:1:1): timeout

        type: atapi
        c_bcount: 2048
        c_skip: 8192

pciide0:1:1: device timeout, c_bcount=2048, c_skip=8192, status=d0, ireason=d0
pciide0:1:1: soft reset failed Received on Wed Dec 4 17:11:13 2002