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new ahc no longer panics on cd access

Well, that's about it. The removed new ahc driver used to cause panics
when accessing scsi cd drives, and this one doesn't. GENERIC dmesg
follows, cvs updated 8hours ago.
Hope to be testing on a "ahc0 at pci1 dev 9 function 0 "Adaptec
AHA-2940U2 U2" rev 0x00: irq 3" with 4 SCSI drives soon.

OpenBSD 3.1-current (GENERIC) #0: Thu Jul 11 12:55:50 CEST 2002
cpu0: disabling processor serial number
cpu0: Intel Pentium III ("GenuineIntel" 686-class, 512KB L2 cache) 551
real mem  = 536457216 (523884K)
avail mem = 491786240 (480260K)
using 4278 buffers containing 26927104 bytes (26296K) of memory
mainbus0 (root)
bios0 at mainbus0: AT/286+(34) BIOS, date 12/09/99, BIOS32 rev. 0 @
apm0 at bios0: Power Management spec V1.2
apm0: AC on, battery charge unknown
pcibios0 at bios0: rev. 2.1 @ 0xf0000/0xb1f8
pcibios0: PCI IRQ Routing Table rev. 1.0 @ 0xfd830/144 (7 entries)
pcibios0: PCI Exclusive IRQs: 9 10 11 12
pcibios0: PCI Interrupt Router at 000:07:0 ("Intel 82371SB PCI-ISA" rev
pcibios0: PCI bus #1 is the last bus
bios0: ROM list: 0xc0000/0xc000 0xcc000/0x800
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 GeForce2 Ti" rev 0xa4
wsdisplay0 at vga1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
pcib0 at pci0 dev 7 function 0 "Intel 82371AB PIIX4 ISA" rev 0x02
pciide0 at pci0 dev 7 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: <ST380021A>
wd0: 16-sector PIO, LBA, 76319MB, 16383 cyl, 16 head, 63 sec, 156301488
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: <ATAPI, CD-R/RW 6X4X32, 6.DU> SCSI0
5/cdrom removable
cd0(pciide0:1:0): using PIO mode 4, DMA mode 2
uhci0 at pci0 dev 7 function 2 "Intel 82371AB USB" rev 0x01: irq 11
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 7 function 3 not
fxp0 at pci0 dev 10 function 0 "Intel 82557" rev 0x04: irq 10, address
inphy0 at fxp0 phy 1: i82555 10/100 media interface, rev. 0
ahc1 at pci0 dev 11 function 0 "Adaptec AHA-2930U2 U2" rev 0x00: irq 9
ahc1: aic7890/91: Ultra2 Wide Channel A, SCSI Id=7, 32/255 SCBs
scsibus1 at ahc1: 16 targets
(ahc1:A:3:0): refuses WIDE negotiation.  Using 8bit transfers
ahc1: target 3 synchronous at 20.0MHz, offset = 0x7
cd1 at scsibus1 targ 3 lun 0: <YAMAHA, CRW2100S, 1.0N> SCSI2 5/cdrom
eap0 at pci0 dev 12 function 0 "Ensoniq AudioPCI97" rev 0x06: irq 12
ac97: codec id 0x43525913 (Cirrus Logic CS4297A rev 3)
ac97: codec features headphone, 20 bit DAC, 18 bit ADC, Crystal Semi 3D
audio0 at eap0
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
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
fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
biomask ca40 netmask ce40 ttymask cec2
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
uhidev0 at uhub0 port 1 configuration 1 interface 0
uhidev0: Logitech USB-PS/2 Optical Mouse, rev 2.00/13.00, addr 2, iclass
ums0 at uhidev0: 4 buttons and Z dir.
wsmouse0 at ums0 mux 0

// nick