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Date: Mon, 07 Aug 2000 15:33:07 +0800
From: Erl Tsung Schang <et@zsu.edu.cn>
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To: freebsd-questions@FreeBSD.ORG
Subject: Netfinity 5600 ahc1 data parity error
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Hi all,

I installed FreeBSD 4.0/4.1 on IBM Netfinity 5600 (Model No.
8664-31Y; Adaptec AIC-7897 SCSI, SCSI BIOS v2.20; Hard Disk
Module ST318275LC/IBM FRU: 36L8751), and found the ahc1 data
paraty problem:

...
...
lnc0: <PCNet/PCI Ethernet adapter> port 0x2000-0x201f mem
0xfebffc00-0xfebffc1f
irq 11 at device 2.0 on pci0
lnc0: driver is using old-style compatability shims
isab0: <PCI to ISA bridge (vendor=1166 device=0200)> at device 15.0 on
pci0
isa0: <ISA bus> on isab0
atapci0: <Unknown PCI ATA controller (generic mode)> port 0x840-0x84f at
device
15.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
pci0: <OHCI USB controller> at 15.2 irq 9
pcib1: <RCC LE host to PCI bridge> on motherboard
pci1: <PCI bus> on pcib1
ahc0: <Adaptec aic7896/97 Ultra2 SCSI adapter> port 0x4b00-0x4bff mem
0xf7fff000
-0xf7ffffff irq 10 at device 3.0 on pci1
ahc0: aic7896/97 Wide Channel A, SCSI Id=7, 16/255 SCBs
ahc1: <Adaptec aic7896/97 Ultra2 SCSI adapter> port 0x4c00-0x4cff mem
0xf7ffe000
-0xf7ffefff irq 10 at device 3.1 on pci1
ahc1: aic7896/97 Wide Channel B, SCSI Id=7, 16/255 SCBs
eisa0: <EISA bus> on motherboard
eisa0: unknown card @@@0000 (0x00000000) at slot 4
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on
isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <keyboard controller (i8042)> at port 0x60-0x6f on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on
isa0
sc0: <System console> on isa0
sc0: VGA <16 virtual consoles, flags=0x0>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A, console
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppi0: <Parallel I/O> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
plip0: <PLIP network interface> on ppbus0
ahc1: Data Parity Error Detected during address or write data phase
ahc1: Signal System Error Detected
ahc1: Received a Master Abort
ahc1: Received a Target Abort
ahc1: Signaled a Target Abort
ahc1: Data Parity Error has been reported via PERR#
ahc1: Data Parity Error Detected during address or write data phase
ahc1: Signal System Error Detected
ahc1: Received a Master Abort
ahc1: Received a Target Abort
ahc1: Signaled a Target Abort
...
...

Does anyone have any experience with FreeBSD 4.0/4.1 on an IBM 
Netfinity 5600? How can I recover this problem?

Thanks in advance

Erl Tsung Schang (et@zsu.edu.cn)
Phone: 86-20-84036905

Network and Education Technology Center
Zhongshan (Sun Yat-sen) University
Guangzhou, GD 510275
China


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