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SubjectRe: MCA in or out?

It looks as if the 3c529 support in 2.1.92 is missing the detection code,
as you say. The ethernet howto says that there is a workaround for this
which basically involves replacing the missing routines with constants
found by other means.

But the SCSI detection code is also broken.

I have installed a base Linux system on my machine using kernel 2.0.7,
booting this gives:

IBM MCA SCSI: forced detection, scsi id=7.
PPA: unable to initialise controller at 0x378, error 1
scsi0 : IBMMCA
scsi : 1 host.
Vendor: MICROP Model: 4110-09NB_Nov18b Rev: TN0F
Type: Direct-Access ANSI SCSI revision: 02
Detected scsi disk sda at scsi0, channel 0, id 0, lun 0
scsi : detected 1 SCSI disk total.
SCSI device sda: hdwr sector= 512 bytes. Sectors= 2047736 [999 MB] [1.0 GB]
3c529/509: Found 3Com 3c529 Etherlink III (10baseslot2 at slot 2
eth0: 3c509 at 0x200 tag 0, BNC port, address 00 20 af fc 41 52, IRQ 3.
3c509.c:1.07 6/15/95 becker@cesdis.gsfc.nasa.gov
Partition check:
sda: sda1 sda2 sda3
VFS: Mounted root (ext2 filesystem) readonly.
Adding Swap: 66556k swap-space

However 2.1.92 has an ioport parameter for scsi which it sets to 7 also,
this causes the scsi initialisation to fail, because it can't reserve i/o
region 0x7-0xf!

So some basic patches are needed.





--
Shaw Carruthers - shaw@shawc.demon.co.uk
London SW14 7JW UK
This is not a sig( with homage to Magritte).



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