From owner-freebsd-alpha  Fri Apr  5  9:41:10 2002
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From: Andrew Gallatin <gallatin@cs.duke.edu>
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Date: Fri, 5 Apr 2002 12:40:12 -0500 (EST)
To: Wilko Bulte <wkb@freebie.xs4all.nl>
Cc: freebsd-alpha@FreeBSD.ORG, mdodd@FreeBSD.ORG
Subject: Re: DEFPA / fddi borked on Alpha
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Wilko Bulte writes:
 > I just stuck a DEC DEFPA in my AS500 and another one in a K6 x86
 > box. Both are RELENG_4On the x86 this appears 
 > to work, on the Alpha I'm getting:
 > 
 > isp0: <Qlogic ISP 1020/1040 PCI SCSI Adapter> port 0x10000-0x100ff mem
 > 0x8006800
 > 0-0x80068fff irq 12 at device 9.0 on pci0
 > isp0: interrupting at CIA irq 12
 > isab0: <Intel 82375EB PCI-EISA bridge> at device 10.0 on pci0
 > isa0: <ISA bus> on isab0
 > pci0: <VGA-compatible display device> at 11.0 irq 0
 > fpa0: <Digital DEFPA PCI FDDI Controller> port 0x10100-0x1017f mem
 > 0x80040000-0x
 > 8004ffff,0x80069000-0x8006907f irq 4 at device 12.0 on pci0
 > 
 > fatal kernel trap:
 > 
 >     trap entry = 0x2 (memory management fault)
 >     a0         = 0x80069014

Somebody is mapping the board without  PCI_RF_DENSE or PCI_RF_BWX set
& getting back the raw r_start address.  I don't know why we don't
just assume BWX or DENSE or something..

Drew

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