2.7: /dev/cd0a: Device not configured

[kmself@ix.netcom.com]

I'm unable to mount a CDROM (the oBSD 2.7 install disks) on my 2.7
GENERIC box.  I *was* previously able to do this (both at system install
time, and since).

Clues appreciated.

Attempts to do so result in:

    [root@jung:/root]$ mount -r -t cd9660 /dev/cd0a /mnt/cdrom
    mount_cd9660: /dev/cd0a on /mnt/cdrom: Device not configured


dmesg:

OpenBSD 2.7 (GENERIC) #25: Sat May 13 18:04:26 MDT 2000
    deraadt@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: F00F bug workaround installed
cpu0: Intel Pentium (P54C) ("GenuineIntel" 586-class) 200 MHz
cpu0: FPU,V86,DE,PSE,TSC,MSR,MCE,CX8
real mem  = 99205120 (96880K)
avail mem = 87326720 (85280K)
using 1236 buffers containing 5062656 bytes (4944K) of memory
mainbus0 (root)
bios0 at mainbus0: AT/286+(2f) BIOS, date 01/22/98
apm0 at bios0: Power Management spec V1.2
apm0: AC on, battery charge unknown
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
pchb0 at pci0 dev 0 function 0 "SIS 5597 Host" rev 0x02
pcib0 at pci0 dev 1 function 0 "SIS 85C503 ISA" rev 0x01
pciide0 at pci0 dev 1 function 1 "SIS 5513 EIDE" rev 0xd0: DMA, channel 0 configured to compatibility, channel 1 configured to compatibility
wd0 at pciide0 channel 0 drive 0: <Maxtor 82560A4>
wd0: can use 32-bit, PIO mode 4, DMA mode 2
wd0: 16-sector PIO, LBA, 2442MB, 4962 cyl, 16 head, 63 sec, 5001728 sectors
pciide0: channel 0 interrupting at irq 14
wd0(pciide0:0:0): using PIO mode 4, DMA mode 2 (using DMA data transfers)
dc0 at pci0 dev 10 function 0 "Lite-On PNIC-II" rev 0x25: irq 10 address 00:a0:cc:33:28:8f
dcphy0 at dc0 phy 31: internal PHY
"SIS 5597/5598 VGA" rev 0x65 at pci0 dev 19 function 0 not configured
isa0 at pcib0
isadma0 at isa0
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
pcvt: got KEYB_R_RESEND
pcvt: no kbd detected
vt0 at isa0 port 0x60/16 irq 1: vga 80 col, color, 8 scr, unknown kbd
pms0 at vt0 irq 12
fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec
fd1 at fdc0 drive 1: 1.2MB 80 cyl, 2 head, 15 sec
biomask 4040 netmask 4440 ttymask 54c2
pctr: 586-class performance counters and user-level cycle counter enabled
dkcsum: wd0 matched BIOS disk 80
root on wd0a
rootdev=0x0 rrootdev=0x300 rawdev=0x302
pcvt: kbd tpm cmd not ack'd (resp 0xfe 0xfe)
tun0: not multicast capable, IPv6 not enabled
tun0: not multicast capable, IPv6 not enabled
dc0: TX underrun -- increasing TX threshold
dc0: TX underrun -- increasing TX threshold
dc0: TX underrun -- increasing TX threshold

-- 
Karsten M. Self <kmself@ix.netcom.com>    http://kmself.home.netcom.com/
 What part of "Gestalt" don't you understand?       There is no K5 cabal
  http://gestalt-system.sourceforge.net/         http://www.kuro5hin.org

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