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SubjectNCR53C8XX Problem on Compaq Proliant 7000 (long)

Sorry, I have to bring up this problem again. The latest
2.1.106~108 kernel cannot find the SCSI device. The machine
is a 4 PPro Proliant 7000 with 2GB ram. I compile the kernel
without any modules.

What's strange is that some old kernels 2.1.79, and 2.0.34
can successfully find the NCR53c8xx (875). Attached are what
2.1.79 found. There is no ncr53c8xx in the PCI device list!
Why the 2.1.79 driver can find the ncr53c875 card while the
lastest 2.1.108 cannot? Is there a way to force the driver to
find the card?

NFS code of 2.1.79 is not stable enough to do serious work.
Please help to solve the problem.

thanks very much

xintian

/proc/pci of 2.1.79:

PCI devices found:
Bus 0, device 26, function 0:
Host bridge: Intel Orion P6 (rev 6).
Medium devsel. Master Capable. Latency=32.
Bus 0, device 25, function 0:
Host bridge: Intel Orion P6 (rev 6).
Medium devsel. Master Capable. Latency=32.
Bus 0, device 14, function 0:
VGA compatible controller: Cirrus Logic GD 5430 (rev 34).
Medium devsel. IRQ 255.
Prefetchable 32 bit memory at 0xc5000000 [0xc5000008].
Bus 0, device 12, function 0:
System peripheral: Compaq Unknown device (rev 1).
Vendor id=e11. Device id=ae31.
Medium devsel. Fast back-to-back capable.
I/O at 0x4000 [0x4001].
Non-prefetchable 32 bit memory at 0xc6df0000 [0xc6df0000].
Bus 1, device 1, function 0:
Network controller: Compaq Netelligent 10/100 Dual (rev 16).
Medium devsel. Fast back-to-back capable. IRQ 9. Master Capable.
Latency=64.
I/O at 0x5010 [0x5011].
Non-prefetchable 32 bit memory at 0xc6ee0000 [0xc6ee0000].
Bus 1, device 0, function 0:
Network controller: Compaq Netelligent 10/100 Dual (rev 16).
Medium devsel. Fast back-to-back capable. IRQ 5. Master Capable.
Latency=64.
I/O at 0x5000 [0x5001].
Non-prefetchable 32 bit memory at 0xc6ef0000 [0xc6ef0000].
Bus 0, device 1, function 0:
PCI bridge: IBM 82351 (rev 1).
Medium devsel. Fast back-to-back capable. Master Capable. Latency=64.
Min Gnt=7.
Non-prefetchable 32 bit memory at 0x40010100 [0x0].
I/O at 0x24805150 [0x0].
Non-prefetchable 32 bit memory at 0xc6e0c6e0 [0x0].
Non-prefetchable 32 bit memory at 0xfff0 [0x0].

and /proc/scsi/ncr53c8xx:

%cat 0

General information:
Chip NCR53C875, device id 0xf, revision id 0x3
IO port address 0x6000, IRQ number 11
Using memory mapped IO at virtual address 0xfd802000
Synchronous period factor 12, max commands per lun 12
Profiling information:

%cat 1

General information:
Chip NCR53C875, device id 0xf, revision id 0x3
IO port address 0x6400, IRQ number 11
Using memory mapped IO at virtual address 0xfd806000
Synchronous period factor 12, max commands per lun 12
Profiling information:

, and the dmesg:

Linux version 2.1.79 (root@breeze.cse.ogi.edu) (gcc version 2.7.2.1)
Intel MultiProcessor Specification v1.4
Virtual Wire compatibility mode.
OEM ID: COMPAQ Product ID: PROLIANT APIC at: 0xFEE00000
Processor #3 Pentium(tm) Pro APIC version 16
Processor #0 Pentium(tm) Pro APIC version 16
Processor #1 Pentium(tm) Pro APIC version 16
Processor #2 Pentium(tm) Pro APIC version 16
I/O APIC #8 Version 17 at 0xFEC00000.
Processors: 4
Console: 16 point font, 400 scans
Console: colour VGA+ 80x25, 1 virtual console (max 63)
PCI: BIOS32 Service Directory structure at 0x800ffee0
PCI: BIOS32 Service Directory entry at 0xf0000
PCI: PCI BIOS revision 2.10 entry at 0xf0070
Probing PCI hardware.
PCI: Warning: Unknown PCI device (e11:ae31). Please read include/linux/pci.h
Calibrating delay loop... 199.48 BogoMIPS
Memory: 2022092k/2048000k available (1016k kernel code, 400k reserved, 24440k
data, 52k init)
Swansea University Computer Society NET3.039 for Linux 2.1
NET3: Unix domain sockets 0.16 for Linux NET3.038.
Swansea University Computer Society TCP/IP for NET3.037
IP Protocols: ICMP, UDP, TCP
Checking 386/387 coupling... Ok, fpu using exception 16 error reporting.
Checking 'hlt' instruction... Ok.
POSIX conformance testing by UNIFIX
CPU3: Intel Pentium Pro stepping 09
calibrating APIC timer ...
..... CPU clock speed is 200.0134 MHz.
..... APIC bus clock speed is 66.6708 MHz.
Booting processor 0 eip 2000: Calibrating delay loop... 199.88 BogoMIPS
OK.
CPU0: Intel Pentium Pro stepping 09
Booting processor 1 eip 2000: Calibrating delay loop... 199.88 BogoMIPS
OK.
CPU1: Intel Pentium Pro stepping 09
Booting processor 2 eip 2000: Calibrating delay loop... 199.48 BogoMIPS
OK.
CPU2: Intel Pentium Pro stepping 09
Total of 4 processors activated (798.72 BogoMIPS).
Starting kswapd v 1.23
Serial driver version 4.24 with no serial options enabled
PS/2 auxiliary pointing device detected -- driver installed.
Real Time Clock Driver v1.07
loop: registered device at major 7
Uniform CD-ROM driver Revision: 2.11
hda: CD-ROM CDU571-Q, ATAPI CDROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: ATAPI 8X CDROM drive w/128kB Cache
Floppy drive(s): fd0 is 1.44M
FDC 0 is a National Semiconductor PC87306
ncr53c8xx: at PCI bus 2, device 10, function 0
ncr53c8xx: 53c875 detected
ncr53c8xx: at PCI bus 2, device 11, function 0
ncr53c8xx: 53c875 detected
ncr53c875-0: rev=0x03, base=0xc6fe0000, io_port=0x6000, irq=11
ncr53c875-0: ID 7, Fast-20, Parity Checking
ncr53c875-0: on-board RAM at 0xc6fd0000
ncr53c875-0: restart (scsi reset).
ncr53c875-0: copying script fragments into the on-board RAM ...
ncr53c875-1: rev=0x03, base=0xc6fc0000, io_port=0x6400, irq=11
ncr53c875-1: ID 7, Fast-20, Parity Checking
ncr53c875-1: on-board RAM at 0xc6fb0000
ncr53c875-1: restart (scsi reset).
ncr53c875-1: copying script fragments into the on-board RAM ...
scsi0 : ncr53c8xx - revision 2.5f
scsi1 : ncr53c8xx - revision 2.5f
scsi : 2 hosts.
ncr53c875-0-<0,0>: FAST-5 WIDE SCSI 10.0 MB/s (200 ns, offset 15)
ncr53c875-0-<0,0>: using tagged command queueing, up to 12 cmds/lun
Vendor: COMPAQ Model: DGHS09Y Rev: 01C0
Type: Direct-Access ANSI SCSI revision: 03
Detected scsi disk sda at scsi0, channel 0, id 0, lun 0
scsi : detected 1 SCSI disk total.
ncr53c875-0-<0,0>: FAST-10 WIDE SCSI 20.0 MB/s (100 ns, offset 15)
SCSI device sda: hdwr sector= 512 bytes. Sectors= 17773500 [8678 MB] [8.7 GB]
TLAN 0.43: eth0 irq= 5 io=5000, Compaq Netelligent Dual 10/100 TX PCI UTP,
Rev.
16
TLAN 0.43: eth1 irq= 9 io=5010, Compaq Netelligent Dual 10/100 TX PCI UTP,
Rev.
16
Partition check:
sda: sda1 sda2 sda3 sda4
VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 52k freed


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