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Date:      Mon, 23 Mar 1998 11:58:37 -0500
From:      Adam Ryan Mcdougall <mcdougall@ameritech.net>
To:        current@FreeBSD.ORG
Subject:   bounce buffer problem(?) with scsi tape
Message-ID:  <351694BD.D6100151@ameritech.net>

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Hello, I have a external scsi tape attached to one of my machines and it
seems no matter what I try it keeps doing this:


# tar -zcv X332contrib.tgz
X332contrib.tgz
tar (child): can't write to /dev/rst0 : Input/output error
Broken pipe

console blats out:
aha0: DMA beyond end Of ISA: 0x1f1bd10
st0: bad request, must be between 0 and 0
Where the 0x1f1bd10 is different every time.

Yeah, I have bounce buffers in my kernel, and this is a isa scsi card in
a system with 64 megs of ram.  It has run various dates of -current with
the latest being from Monday, March 23rd.

Any light shed on this problem would be appreciative.

(Note: It did work correctly ONCE and only once, who knows why)


Heres my kernel conf file and my dmesg:

#
# GENERIC -- Generic machine with WD/AHx/NCR/BTx family disks
#
# For more information read the handbook part System Administration ->
# Configuring the FreeBSD Kernel -> The Configuration File.
# The handbook is available in /usr/share/doc/handbook or online as
# latest version from the FreeBSD World Wide Web server
# <URL:http://www.FreeBSD.ORG/>;
#
# An exhaustive list of options and more detailed explanations of the
# device lines is present in the ./LINT configuration file. If you are
# in doubt as to the purpose or necessity of a line, check first in
LINT.
#
#       $Id: GENERIC,v 1.77.2.12 1997/10/18 11:03:10 joerg Exp $

machine         "i386"
#cpu            "I386_CPU"
#cpu            "I486_CPU"
cpu             "I586_CPU"
#cpu            "I686_CPU"
ident           CARTMAN
maxusers        80

options         MATH_EMULATE            #Support for x87 emulation
options         INET                    #InterNETworking
options         FFS                     #Berkeley Fast Filesystem
#options                NFS                     #Network Filesystem
#options                MSDOSFS                 #MSDOS Filesystem
options         "CD9660"                #ISO 9660 Filesystem
options         PROCFS                  #Process filesystem
options         "COMPAT_43"             #Compatible with BSD 4.3 [KEEP
THIS!]
options         "TUNE_1542"
options         SCSI_DELAY=10           #Be pessimistic about Joe SCSI
device
options         BOUNCE_BUFFERS          #include support for DMA bounce
buffers
options         UCONSOLE                #Allow users to grab the console
options         FAILSAFE                #Be conservative
options         USERCONFIG              #boot -c editor
#options                VISUAL_USERCONFIG       #visual boot -c editor
config          kernel  root on wd0

controller      isa0
#controller     eisa0
controller      pci0

controller      fdc0    at isa? port "IO_FD1" bio irq 6 drq 2 vector
fdintr
disk            fd0     at fdc0 drive 0
disk            fd1     at fdc0 drive 1
#tape           ft0     at fdc0 drive 2

options         "CMD640"        # work around CMD640 chip deficiency
#controller     wdc0    at isa? port "IO_WD1" bio irq 14 vector wdintr
#disk           wd0     at wdc0 drive 0
#disk           wd1     at wdc0 drive 1

controller      wdc1    at isa? port "IO_WD2" bio irq 15 vector wdintr
disk            wd2     at wdc1 drive 0
disk            wd3     at wdc1 drive 1

#options                ATAPI           #Enable ATAPI support for IDE
bus
#options                ATAPI_STATIC    #Don't do it as an LKM
#device         wcd0    #IDE CD-ROM

# A single entry for any of these controllers (ncr, ahb, ahc, amd) is
# sufficient for any number of installed devices.
#controller     ncr0
#controller     amd0
#controller     ahb0
#controller     ahc0
#controller     bt0     at isa? port "IO_BT0" bio irq ? vector
bt_isa_intr
#controller     uha0    at isa? port "IO_UHA0" bio irq ? drq 5 vector
uhaintr
controller      aha0    at isa? port "IO_AHA0" bio irq ? drq 5 vector
ahaintr
#controller     aic0    at isa? port 0x340 bio irq 11 vector aicintr
#controller     nca0    at isa? port 0x1f88 bio irq 10 vector ncaintr
#controller     nca1    at isa? port 0x350 bio irq 5 vector ncaintr
#controller     sea0    at isa? bio irq 5 iomem 0xc8000 iosiz 0x2000
vector seai
controller      scbus0

device          sd0

device          od0     #See LINT for possible `od' options.

device          st0

device          cd0     #Only need one of these, the code dynamically
grows

#device         wt0     at isa? port 0x300 bio irq 5 drq 1 vector wtintr
#device         mcd0    at isa? port 0x300 bio irq 10 vector mcdintr

#controller     matcd0  at isa? port 0x230 bio

#device         scd0    at isa? port 0x230 bio

# syscons is the default console driver, resembling an SCO console
device          sc0     at isa? port "IO_KBD" tty irq 1 vector scintr
# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
#device         vt0     at isa? port "IO_KBD" tty irq 1 vector pcrint
#options                XSERVER                 # support for X server
#options                FAT_CURSOR              # start with block
cursor
# If you have a ThinkPAD, uncomment this along with the rest of the PCVT
lines
#options                PCVT_SCANSET=2          # IBM keyboards are
non-std

# Mandatory, don't remove
device          npx0    at isa? port "IO_NPX" flags 0x1 irq 13 vector
npxintr

#
# Laptop support (see LINT for more options)
#
#device         apm0    at isa? disable # Advanced Power Management
# PCCARD (PCMCIA) support
#controller     crd0
#device         pcic0   at crd?
#device         pcic1   at crd?
device          sio0    at isa? port "IO_COM1" tty irq 4 vector siointr
device          sio1    at isa? port "IO_COM2" tty irq 3 vector siointr
#device         sio2    at isa? disable port "IO_COM3" tty irq 5 vector
siointr
#device         sio3    at isa? disable port "IO_COM4" tty irq 9 vector
siointr

device          lpt0    at isa? port? tty irq 7 vector lptintr
#device         lpt1    at isa? port? tty
#device         mse0    at isa? port 0x23c tty irq 5 vector mseintr

#device         psm0    at isa? disable port "IO_KBD" conflicts tty irq
12 vecto

# Order is important here due to intrusive probes, do *not* alphabetize
# this list of network interfaces until the probes have been fixed.
# Right now it appears that the ie0 must be probed before ep0. See
# revision 1.20 of this file.
device de0
device tx0
#device fxp0
#device vx0

#device ed0 at isa? port 0x280 net irq  5 iomem 0xd8000 vector edintr
#device ed1 at isa? port 0x300 net irq  5 iomem 0xd8000 vector edintr
#device ie0 at isa? port 0x300 net irq 10 iomem 0xd0000 vector ieintr
#device ie1 at isa? port 0x360 net irq  7 iomem 0xd0000 vector ieintr
#device ep0 at isa? port 0x300 net irq 10 vector epintr
#device ex0 at isa? port 0x300 net irq 10 iomem 0xd0000 vector exintr
#device fe0 at isa? port 0x300 net irq ? vector feintr
#device le0 at isa? port 0x300 net irq 5 iomem 0xd0000 vector le_intr
#device lnc0 at isa? port 0x280 net irq 10 drq 0 vector lncintr
#device ze0 at isa? port 0x300 net irq 5 iomem 0xd8000 vector zeintr
#device zp0 at isa? port 0x300 net irq 10 iomem 0xd8000 vector zpintr

pseudo-device   loop
pseudo-device   ether
#pseudo-device  sl      1
# ijppp uses tun instead of ppp device
#pseudo-device  ppp     1
pseudo-device   vn      4
#pseudo-device  tun     1
pseudo-device   pty     16
pseudo-device   gzip            # Exec gzipped a.out's

# KTRACE enables the system-call tracing facility ktrace(2).
# This adds 4 KB bloat to your kernel, and slightly increases
# the costs of each syscall.
options         KTRACE          #kernel tracing

# This provides support for System V shared memory.
#
options         SYSVSHM
options         SYSVMSG
options         SYSVSEM
pseudo-device   ccd     3
pseudo-device   snp     4
options         USER_LDT
pseudo-device   bpfilter        4

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-CURRENT #0: Mon Mar 23 11:14:18 EST 1998
    mcdouga9@cartman.egr.msu.edu:/u3/src/sys/compile/CARTMAN
Timecounter "i8254"  frequency 1193182 Hz  cost 3028 ns
Timecounter "TSC"  frequency 118951557 Hz  cost 294 ns
CPU: Pentium (118.95-MHz 586-class CPU)
  Origin = "GenuineIntel"  Id = 0x525  Stepping=5
  Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
real memory  = 67108864 (65536K bytes)
avail memory = 62971904 (61496K bytes)
Probing for devices on PCI bus 0:
chip0: <Intel 82437FX PCI cache memory controller> rev 0x01 on pci0.0.0
chip1: <Intel 82371FB PCI to ISA bridge> rev 0x02 on pci0.7.0
ide_pci0: <Intel PIIX Bus-master IDE controller> rev 0x02 on pci0.7.1
ide_pci: controller is simplex, no DMA on secondary channel
tx0: <SMC 83c170> rev 0x06 int a irq 11 on pci0.18.0
tx0: address 00:e0:29:0e:68:5a, type SMC9432TX, phy QS6612, Auto-Neg
100Mbps 
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
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: FIFO enabled, 8 bytes threshold
fd0: 1.44MB 3.5in
wdc1 not found at 0x170
100 nSEC ok, using 150 nSEC
aha0 at 0x330-0x333 irq 10 drq 5 on isa
aha0: waiting for scsi devices to settle
scbus0 at aha0 bus 0
sd0 at scbus0 target 0 lun 0
sd0: <QUANTUM LPS525S 3110> type 0 fixed SCSI 2
sd0: Direct-Access 499MB (1023484 512 byte sectors)
sd1 at scbus0 target 1 lun 0
sd1: <QUANTUM FIREBALL540S 1P08> type 0 fixed SCSI 2
sd1: Direct-Access 520MB (1065235 512 byte sectors)
cd0 at scbus0 target 2 lun 0
cd0: <TOSHIBA CD-ROM XM-3601TA 0725> type 5 removable SCSI 2
cd0: CD-ROM can't get the size
sd2 at scbus0 target 3 lun 0
sd2: <MICROP 1588-15MB1036509 AS09> type 0 fixed SCSI 1
sd2: Direct-Access 608MB (1245420 512 byte sectors)
sd3 at scbus0 target 4 lun 0
sd3: <MICROP 1588-15MB1036509 AS09> type 0 fixed SCSI 1
sd3: Direct-Access 631MB (1294260 512 byte sectors)
st0 at scbus0 target 5 lun 0
st0: <EXABYTE EXB-8200 425A> type 1 removable SCSI 1
st0: Sequential-Access density code 0x0, 1024-byte blocks, write-enabled
npx0 flags 0x1 on motherboard
npx0: INT 16 interface
Intel Pentium F00F detected, installing workaround
ccd0-2: Concatenated disk drivers
changing root device to sd0s1a
aha0: DMA beyond end Of ISA: 0x327fd10
st0: bad request, must be between 0 and 0
aha0: DMA beyond end Of ISA: 0x2c06d10
aha0: DMA beyond end Of ISA: 0x1f1bd10
st0: bad request, must be between 0 and 0
aha0: DMA beyond end Of ISA: 0x1f62d10
aha0: DMA beyond end Of ISA: 0x1fa2d10
st0: bad request, must be between 0 and 0

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