Date: Thu, 22 Jan 1998 23:17:56 -0800 From: Donald Acton <acton@opentext.com> To: freebsd-questions@FreeBSD.ORG Cc: acton@vn.opentext.com Subject: DMA beyond end of ISA in 3.0 Message-ID: <199801230717.XAA13879@stoner.nsg.bc.ca>
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I am not sure this is the correct group to post this problem to so if
it isn't pointers to the appropriate place would be appreciated.
I recently changed my 2.2.5 system to run the Dec 25 snap release of
3.0. Before making the change I backed up my system on to a SCSI DAT
device. After making the change I tried to access the dump tapes I
made and I got errors of the following form:
aha0: DMA beyond end Of ISA: 0x12bad10
and accesses to the drive fail with tape i/o errors. Since then I have
tried some the newer SNAP releases and the problem remains. I have
searched the FreeBSD web site in the bug lists and mailing lists and
there are some mentions of this problem as far back as the summer of
'97, but no followups, as far as I could find, indicating how to fix
the problem. In addition to having problems with the SCSI tape, there
are also problems with the SCSI CDROM device. IF there isn't a disk in when
the machine boots then I can't mount the CD and there are similar DMA
errors reported.
The system configuration is
ASUS P/I P55SP4 mother board with P75
1 SMC Ethernet card
Adaptec 1542CF SCSI Controller
2 Western Digital hard drives
Here is the output from dmesg and at the very end are messages from
the commands
mt fsf 1 and
restore -i
(The last two messages appear when the restore command is given)
dmesg
Copyright (c) 1992-1998 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights
reserved.
FreeBSD 3.0-980117-SNAP #0: Sun Jan 18 22:21:07 PST 1998
acton@comox.nsg.bc.ca:/usr/src/sys/compile/Comox
CPU: Pentium (74.70-MHz 586-class CPU)
Origin = "GenuineIntel" Id = 0x525 Stepping=5
Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
real memory = 33554432 (32768K bytes)
avail memory = 30208000 (29500K bytes)
Probing for devices on PCI bus 0:
chip0: <Host to PCI bridge (vendor=1039 device=5511)> rev 0x00 on
pci0.0.0
chip1: <SiS 85c503> rev 0x01 on pci0.1.0
ide_pci0: <PCI IDE controller (busmaster capable)> rev 0x07 int a irq
0 on pci0.1.1
ide_pci: controller is simplex, no DMA on secondary channel
vga0: <Matrox MGA 2164W graphics accelerator> rev 0x00 int a irq 12 on
pci0.11.0
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 0x300-0x31f irq 10 maddr 0xcc000 msize 16384 on isa
ed0: address 00:00:c0:85:28:47, type WD8013EPC (16 bit)
sio0 at 0x3f8-0x3ff irq 4 flags 0x10 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
lpt1 not found
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: FIFO enabled, 8 bytes threshold
fd0: 1.44MB 3.5in
wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: unit 0 (wd0): <WDC AC31200F>
wd0: 1222MB (2503872 sectors), 2484 cyls, 16 heads, 63 S/T, 512 B/S
wdc1 at 0x170-0x177 irq 15 on isa
wdc1: unit 0 (wd2): <WDC AC2340>
wd2: 325MB (666600 sectors), 1010 cyls, 12 heads, 55 S/T, 512 B/S
100 nSEC ok, using 150 nSEC
aha0 at 0x330-0x333 irq 11 drq 5 on isa
aha0: waiting for scsi devices to settle
scbus0 at aha0 bus 0
cd0 at scbus0 target 0 lun 0
cd0: <PLEXTOR CD-ROM PX-4XCS 1.00> type 5 removable SCSI 2
cd0: CD-ROM cd present [293638 x 2048 byte records]
st0 at scbus0 target 4 lun 0
st0: <HP HP35470A 1009> type 1 removable SCSI 2
st0: Sequential-Access density code 0x13, variable blocks,
write-protected
ie0 not probed due to I/O address conflict with ed0 at 0x300
npx0 on motherboard
npx0: INT 16 interface
Intel Pentium F00F detected, installing workaround
aha0: DMA beyond end Of ISA: 0x12bad10
aha0: DMA beyond end Of ISA: 0x1227d10
st0: bad request, must be between 0 and 0
Any suggestions or help would be appreciated.
Donald Acton
acton@opentext.com
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