Date: Wed, 29 Nov 1995 19:17:12 GMT From: iain@nwpeople.demon.co.uk (Iain Baird) To: se@zpr.uni-koeln.de (Stefan Esser) Cc: bugs@freebsd.org Subject: Re: NCR815 problem Message-ID: <11948@nwpeople.demon.co.uk>
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Thanks for you reply to my previous mail.
> On Nov 27, 18:26, Iain Baird wrote:
> } Subject: NCR815 problem
> } I have just installed an NCR-815 PCI SCSI controller in my PC.
> } When I boot 2.1.0-951026-SNAP (off IDE) I get the following error:
> }
> } pci_map_mem failed: device's memrange 0xc8000-0xc80ff is
> } incompatible with its bridge's memrange 0x4000000-0xffffffff
> }
> } CACHE TEST FAILED: reg dstat-sstat2 readback ffffffff.
> } CACHE INCORRECTLY CONFIGURED.
>
> Well, seems your system violates one of the assumptions
> of the PCI code: The PCI devices are expected to be mapped
> to addresses beyond the 1st Gigabyte of address space.
> Your system uses much lower addresses: 0xc0000 is an
> address below 1MB, i.e. in the ISA peripheral address
> space.
What causes this? Is it my motherboard/BIOS, or the NCR 815 card?
I have been thinking about replacing the motherboard.
> This ought to work, provided your system doesn't try to
> cache accesses to the 640KB to 1MB address range, and
> that you didn't turn on copying of BIOS ROMs into RAM at
> those addresses.
>
> Could you please verify the BIOS setup ?
I've turned caching and shadowing off.
I haven't seen any cache test failures since.
> } ncr0 <ncr 53c815 scsi> rev 3 int a irq 15 on pci0:3
> ^^
> I'd rather avoid IRQ 15 in a system that also got IDE
> drives. Haven't heard that it actually caused problems,
> but I'd be afraid that IDE might want to have 14 and 15
> for its own use (and might for example install interrupt
> handlers).
I have experimented with this, using other IRQs makes no difference.
I have only one IDE controller, it uses IRQ 14.
> } pci0:5: vendor=0x1c1c, device=0x0001, class=old (misc) [no driver assigned]
> ^^^^^^
> any idea, what kind of device that is ?
Yes: it's a DTC PCI IDE Controller card. My motherboard has no
on-board IDE controller, the system came with the DTC card.
Here are some system details:
Gateway 2000 4DX2-66P
PhoenixBIOS 4.03
GPCI 4.03.09
Intel P&P BIOS Extensions v2.07
NCR SMDS v3.0 PCI SCSI BIOS, PCI Rev 2.0
NCR PCI04-3.06.00
> You will be able to use that 815 controller card, but it might
> be necessary to build a custom kernel.
Well, I got a little further, but I have been unable to get sd0
to work under FreeBSD. It works fine under DOS. I have attempted to
disklabel the sd0 manually, but I think I'm tripping over the new
slice support. I consulted the FAQ, it didn't help - the FAQ was
clear enough, but nothing it suggested actually worked.
Finally I used the installation floppy to create a FreeBSD
partition on sd0. I had previously created a DOS partition so
that the correct BIOS geometries would be picked up (1021/31/63).
I chose "Dedicate whole disk to FreeBSD" and "Don't cooperate
with other OS's". I forced a write from the partition menu.
I then booted off IDE, verbose boot messages follow below.
Note the last message:
sd0s1: C/H/S end 1021/0/24 (24527) != end 1994036: invalid
Attempts to disklabel the partition failed with the same error.
I don't know whether I'm doing something wrong, or hitting a hardware
problem or a bug. Something seems to be trashing the geometry.
I'll be grateful for any further assistance you can give.
iain
--
Iain Baird Network People International
Tel: +44 (0)1732 743591
The following boot messages were obtained with:
External cache disabled
Caching of C800-CBFF,CC00-CFFF disabled
(Should this make any difference, if external cache is disabled?
What about internal L1 cache?)
Shadowing of C800-CBFF,CC00-CFFF disabled
IRQ 15 the only IRQ left free for PCI
FreeBSD 2.1.0-951026-SNAP #0: Mon Nov 27 02:28:15 GMT 1995
root@nomad:/usr/src/sys/compile/NOMAD.NCR
CPU: i486 DX2 (486-class CPU)
Origin = "GenuineIntel" Id = 0x435 Stepping=5
Features=0x3<FPU,VME>
real memory = 16777216 (16384K bytes)
avail memory = 15065088 (14712K bytes)
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
ed0 at 0x280-0x29f irq 10 maddr 0xd8000 msize 8192 on isa
ed0: address 00:00:c0:8e:30:a1, type SMC8416C/SMC8416BT (16 bit)
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16550A
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
lpt0 at 0x378-0x37f irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: NEC 72065B
fd0: 1.44MB 3.5in
wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: unit 0 (wd0): <WDC AC2540H>
wd0: 515MB (1056384 sectors), 1048 cyls, 16 heads, 63 S/T, 512 B/S
npx0 on motherboard
npx0: INT 16 interface
pcibus_setup(1): mode1res=0x0000000e (0x80000000), mode2res=0x0e (0x0e)
pcibus_setup(2): mode1res=0x00000000 (0x80000000)
pcibus_setup(3): mode1res=0x00000000 (0xff000001)
pcibus_setup(4): now trying mechanism 2
pcibus_check: device 0 is there (id=04838086)
Probing for devices on the PCI bus:
configuration mode 2 allows 16 devices.
chip0 <Intel 82424ZX (Saturn) cache DRAM controller> rev 4 on pci0:0
CPU: 486DX2 or 486DX4, bus=33MHz, CPU->Memory posting ON
Warning: NO DRAM parity!
Cache: None
DRAM: page mode code fetch, read and write, memory clocks=X-1-2-1
CPU->PCI: posting ON, burst mode ON
PCI->Memory: posting ON
chip1 <Intel 82378ZB PCI-ISA bridge> rev 3 on pci0:2
Bus Modes: Bus Park, Bus Lock,
Coprocessor errors enabled
Keyboard controller: 60h,62h,64h,66h
RTC: 70h-77h
Configuration RAM: 0C00h,0800h-08FFh
Port 92: enabled
ncr0 <ncr 53c815 scsi> rev 3 int a irq 15 on pci0:3
mapreg[10] type=1 addr=0000ff00 size=0100.
mapreg[14] type=0 addr=000cc000 size=0100.
pci_map_mem failed: device's memrange 0xcc000-0xcc0ff is incompatible with its bridge's memrange 0x4000000-0xffffffff
reg20: virtual=0xf2a4f000 physical=0xcc000 size=0x100
ncr0: restart (scsi reset).
ncr0 scanning for targets 0..6 (V2 pl23 95/09/07)
ncr0 waiting for scsi devices to settle
(ncr0:0:0): "SEAGATE ST31250N 0006" type 0 fixed SCSI 2
sd0(ncr0:0:0): Direct-Access
sd0(ncr0:0:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
973MB (1994037 512 byte sectors)
sd0(ncr0:0:0): with 3712 cyls, 5 heads, and an average 107 sectors/track
vga0 <Display device> rev 0 on pci0:4
mapreg[10] type=0 addr=40000000 size=800000.
pci0:5: vendor=0x1c1c, device=0x0001, class=old (misc) [no driver assigned]
pci0: uses 8388608 bytes of memory from 40000000 upto 407fffff.
pci0: uses 256 bytes of I/O space from ff00 upto ffff.
BIOS Geometries:
0:03fe0f3f 0..1022=1023 cylinders, 0..15=16 heads, 1..63=63 sectors
1:03fc1e3f 0..1020=1021 cylinders, 0..30=31 heads, 1..63=63 sectors
0 accounted for
wd0s1: type 0x6, start 63, end = 409247, size 409185 : OK
wd0s2: type 0xa5, start 409248, end = 1056383, size 647136 : OK
sd0s1: type 0xa5, start 0, end = 1994036, size 1994037
sd0s1: C/H/S end 1021/0/24 (24527) != end 1994036: invalid
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