aic7xxx initilization errors

[Mike Dunphy]

Hello,

I have a AMD scsi driver built into the motherboard of my HP vectra
XU 90 .. This is where my Linux boot disk is.

I recently installed a Adaptec 2940 card and linux would not boot
because it saw the  Adaptec first and not the AMD ... so I added the
boot option 

append = "aic7xxx=reverse_scan,aic7xxx=verbose"

and it still did not worked. What I had to do was hardcode it to
make sure it saw the AMD host first in the file

/usr/src/linux/drivers/scsi/hosts.c  in the array built_in_scsi_hosts{}

Is there a better way ?

In any event it still failed to work as dmesg reports ?

(scsi1) <Adaptec AHA-294X Ultra SCSI host adapter> found at PCI 15/0
(scsi1) Narrow Channel, SCSI ID=7, 16/255 SCBs
(scsi1) Warning - detected auto-termination
(scsi1) Please verify driver detected settings are correct.
(scsi1) If not, then please properly set the device termination
(scsi1) in the Adaptec SCSI BIOS by hitting CTRL-A when prompted
(scsi1) during machine bootup.
(scsi1) Cables present (Int-50 NO, Ext-50 NO)
(scsi1) Downloading sequencer code... 419 instructions downloaded
(scsi1) Couldn't register IRQ 10, ignoring controller.
scsi0 : AM53/79C974 PCscsi driver rev. 0.5; host I/O address: 0xff00; irq: 10
 scsi : 1 host.
Vendor: QUANTUM   Model: LIGHTNING 540S    Rev: 241E
Type:   Direct-Access                      ANSI SCSI revision: 02
Detected scsi disk sda at scsi0, channel 0, id 0, lun 0
Vendor: HP        Model: C3325A            Rev: 5172
Type:   Direct-Access                      ANSI SCSI revision: 02
Detected scsi disk sdb at scsi0, channel 0, id 1, lun 0
Vendor: HP        Model: C3324A            Rev: 5172
Type:   Direct-Access                      ANSI SCSI revision: 02
Detected scsi disk sdc at scsi0, channel 0, id 2, lun 0
Vendor: NEC       Model: CD-ROM DRIVE:462  Rev: 1.13
Type:   CD-ROM                             ANSI SCSI revision: 02
Detected scsi CD-ROM sr0 at scsi0, channel 0, id 3, lun 0
scsi : detected 1 SCSI cdrom 3 SCSI disks total.
SCSI device sda: hdwr sector= 512 bytes. Sectors= 1075649 [525 MB] [0.5 GB]
SCSI device sdb: hdwr sector= 512 bytes. Sectors= 4238836 [2069 MB] [2.1 GB]
SCSI device sdc: hdwr sector= 512 bytes. Sectors= 2354660 [1149 MB] [1.1 GB]

It looks like something to do with IRQ 10 .... Does anyone have any
ideas ?? 

Cheers
-mjd


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