kurt and gerard, thanks for your responses.
On Wed, 25 Aug 1999, Gerard Roudier wrote:
> > i have an Intel server with an NCR53C810 and two NCR53C896 SCSI
> > controllers that i'm trying to load up with RedHat 6.0. the only drive on
> > the system is attached via an SCA backplane to one of the NCR53C896
> > controllers.
>
> Such Intel server probably uses a i960 with specialized firmware that
> drives the 896. Something like AMI-RAID or equivalent firmware. If it
> is the case, then the ncr/sym53c8xx drivers are just useless and even
> may cause problems.
i haven't seen any reference to i960 or AMI firmware. the server's
mainboard is an S450NX. here's the SCSI BIOS splash screen:
Symbios, Inc. SDMS (TM) V4.0 PCI SCSI BIOS, PCI Rev. 2.0, 2.1
Copyright 1995, 1999 Symbios, Inc.
PCI-4.12.04
> Check kernel messages after boot (/var/log/messages, /var/log/dmesg).
> The driver that is used announces it-self at boot-up.
> If you have problem understanding these outputs, you may send me them.
here's an excerpt from dmesg just after freshly installing RH 6.0 from
CD-ROM. the RH 6.0 install (below) uses initrd, and uses the SCSI driver
in module form. my kernel build doesn't use initrd, and builds the SCSI
driver into the kernel.
PIIX4: IDE controller on PCI bus 00 dev 61
PIIX4: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0x2440-0x2447, BIOS settings: hda:DMA, hdb:pio
hda: LTN382, ATAPI CDROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: ATAPI 40X CD-ROM drive, 120kB Cache
Uniform CDROM driver Revision: 2.54
Floppy drive(s): fd0 is 1.44M
FDC 0 is a National Semiconductor PC87306
md driver 0.90.0 MAX_MD_DEVS=256, MAX_REAL=12
raid5: measuring checksumming speed
raid5: using high-speed MMX checksum routine
pII_mmx : 1193.673 MB/sec
p5_mmx : 1165.860 MB/sec
8regs : 862.203 MB/sec
32regs : 619.125 MB/sec
using fastest function: pII_mmx (1193.673 MB/sec)
scsi : 0 hosts.
scsi : detected total.
md.c: sizeof(mdp_super_t) = 4096
Partition check:
RAMDISK: Compressed image found at block 0
autodetecting RAID arrays
autorun ...
... autorun DONE.
VFS: Mounted root (ext2 filesystem).
ncr53c8xx: at PCI bus 0, device 8, function 0
ncr53c8xx: 53c810a detected
ncr53c8xx: at PCI bus 1, device 3, function 0
ncr53c8xx: 53c896 detected
ncr53c8xx: at PCI bus 1, device 3, function 1
ncr53c8xx: 53c896 detected
ncr53c810a-0: rev=0x23, base=0xfa101000, io_port=0x2000, irq=58
ncr53c810a-0: ID 7, Fast-10, Parity Checking
ncr53c810a-0: restart (scsi reset).
ncr53c896-1: rev=0x01, base=0xfe004000, io_port=0x3000, irq=57
ncr53c896-1: ID 7, Fast-40, Parity Checking
ncr53c896-1: on-chip RAM at 0xfe000000
ncr53c896-1: restart (scsi reset).
ncr53c896-1: Downloading SCSI SCRIPTS.
ncr53c896-2: rev=0x01, base=0xfe004400, io_port=0x3400, irq=56
ncr53c896-2: ID 7, Fast-40, Parity Checking
ncr53c896-2: on-chip RAM at 0xfe002000
ncr53c896-2: restart (scsi reset).
ncr53c896-2: Downloading SCSI SCRIPTS.
scsi0 : ncr53c8xx - revision 3.1h
scsi1 : ncr53c8xx - revision 3.1h
scsi2 : ncr53c8xx - revision 3.1h
scsi : 3 hosts.
Vendor: SEAGATE Model: ST39103LC Rev: 0002
Type: Direct-Access ANSI SCSI revision: 02
Detected scsi disk sda at scsi1, channel 0, id 0, lun 0
Vendor: ESG-SHV Model: SCA HSBP M6 Rev: 0.61
Type: Processor ANSI SCSI revision: 02
ncr53c896-1-<0,0>: tagged command queue depth set to 8
ncr53c896-1-<0,*>: FAST-20 WIDE SCSI 40.0 MB/s (50 ns, offset 15)
SCSI device sda: hdwr sector= 512 bytes. Sectors= 17783240 [8683 MB] [8.7 GB]
sda: sda1 sda2 < sda5 sda6 sda7 sda8 sda9 sda10 >
autodetecting RAID arrays
autorun ...
... autorun DONE.
VFS: Mounted root (ext2 filesystem) readonly.
change_root: old root has d_count=1
Trying to unmount old root ... okay
Freeing unused kernel memory: 68k freed
Adding Swap: 533484k swap-space (priority -1)
- Chuck Lever
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