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Promise Ultra100



田谷と申します。

PowerMac 9500/132 に Promise Ultra100 という IDE カードをさして使おう
としています。
一応動くことは動くのですが、このカードの先につないだ HDD 上で、cvs で
ソースを checkout しようとすると、

mc0: underflow

というメッセージを出してネットワークが落ちてしまいます。
ifconfig mc0 up とすれば再度動き出すのですが、すぐにまた落ちてしまいま
す。
どなたか、対処方法をご存知無いでしょうか?-current にすれば直るよ、と
いうアドバイスでも結構です。
それは絶対に無理という意見でも結構です。その場合は機材を他に回したいと
思います。(^^;;

以下に dmesg の出力をつけておきます。

NetBSD 1.5.1_BETA2 (PM9500) #0: Fri May 11 18:56:56 JST 2001
    taya@localhost:/usr/src-1-5/sys/arch/macppc/compile/PM9500
CPU: 604 (Revision 303)
total memory = 32768 KB
avail memory = 26192 KB
using 435 buffers containing 1740 KB of memory
mainbus0 (root)
cpu0 at mainbus0bandit0 at mainbus0
pci0 at bandit0 bus 0
pci0: i/o space, memory space enabled
pchb0 at pci0 dev 11 function 0
pchb0: Apple Computer Bandit Host-PCI Bridge (rev. 0x03)
pciide0 at pci0 dev 15 function 0: Promise Ultra100/ATA Bus Master IDE Accelerator (rev. 0x02)
pciide0: bus-master DMA support present
pciide0: primary channel configured to native-PCI mode
pciide0: using irq 25 for native-PCI interrupt
wd0 at pciide0 channel 0 drive 0: <IC35L040AVER07-0>
wd0: drive supports 16-sector pio transfers, lba addressing
wd0: 39266 MB, 16383 cyl, 16 head, 63 sec, 512 bytes/sect x 80418240 sectors
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 5 (using DMA data transfers)
pciide0: secondary channel configured to native-PCI mode
pciide0: disabling secondary channel (no drives)
obio0 at pci0 dev 16 function 0: addr 0xf3000000
esp0 at obio0 offset 0x10000 irq 12: NCR53C94, 25MHz, SCSI ID 7
scsibus0 at esp0: 8 targets, 8 luns per target
mc0 at obio0 offset 0x11000: irq 14,2,3: address 00:05:02:14:dd:e5
zsc0 at obio0 offset 0x13000: irq 15,16
zstty0 at zsc0 channel 0 (console)
zstty1 at zsc0 channel 1
awacs0 at obio0 offset 0x14000: irq 17,8,9
audio0 at awacs0: full duplex
swim3 at obio0 offset 0x15000 not configured
adb0 at obio0 offset 0x16000 irq 18: 2 targets
aed0 at adb0 addr 0: ADB Event device
akbd0 at adb0 addr 2: extended keyboard
wskbd0 at akbd0
ams0 at adb0 addr 3: 1-button, 100 dpi mouse
wsmouse0 at ams0
mesh0 at obio0 offset 0x18000 irq 13: 50MHz, SCSI ID 7
scsibus1 at mesh0: 8 targets, 8 luns per target
nvram0 at obio0 offset 0x1d000
bandit1 at mainbus0
pci1 at bandit1 bus 1
pci1: i/o space, memory space enabled
pchb1 at pci1 dev 11 function 0
pchb1: Apple Computer Bandit Host-PCI Bridge (rev. 0x03)
ofb0 at pci1 dev 15 function 0: ATI Technologies Mach64 GX
ofb0: 640 x 480, 8bpp
wsdisplay0 at ofb0
scsibus0: waiting 2 seconds for devices to settle...
scsibus1: waiting 2 seconds for devices to settle...
sd0 at scsibus1 target 0 lun 0: <SEAGATE, ST32430N, 0266> SCSI1 0/direct fixed
sd0: 2047 MB, 3992 cyl, 9 head, 116 sec, 512 bytes/sect x 4193415 sectors
IPsec: Initialized Security Association Processing.
boot device: sd0
root on sd0a dumps on sd0b
WARNING: clock gained 5 days -- CHECK AND RESET THE DATE!
root file system type: ffs
mc0: underflow
mc0: underflow