I'm experiencing serious problems with DMA (even normal DMA, not UDMA)
on recent versions of -STABLE. Here's an excerpt from messages; kernel
#3 is a recent -STABLE (yesterday's sources), while kernel #2 is
3.2-RELEASE. The config file for both is identical.
Jul 22 10:19:35 xxx /kernel.old: Copyright (c) 1992-1999 FreeBSD Inc.
Jul 22 10:19:35 xxx /kernel.old: Copyright (c) 1982, 1986, 1989, 1991, 1993
Jul 22 10:19:35 xxx /kernel.old: The Regents of the University of California. All
rights reserved.
Jul 22 10:19:35 xxx /kernel.old: FreeBSD 3.2-STABLE #3: Wed Jul 21 16:21:55 CEST 1999
Jul 22 10:19:35 xxx /kernel.old: [EMAIL PROTECTED]:/usr/src/sys/compile/XXXXX
Jul 22 10:19:35 xxx /kernel.old: Timecounter "i8254" frequency 1193182 Hz
Jul 22 10:19:35 xxx /kernel.old: Timecounter "TSC" frequency 348205681 Hz
Jul 22 10:19:35 xxx /kernel.old: CPU: Pentium II/Xeon/Celeron (348.21-MHz 686-class
CPU)
Jul 22 10:19:35 xxx /kernel.old: Origin = "GenuineIntel" Id = 0x652 Stepping = 2
Jul 22 10:19:35 xxx /kernel.old:
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
Jul 22 10:19:35 xxx /kernel.old: real memory = 134217728 (131072K bytes)
Jul 22 10:19:35 xxx /kernel.old: avail memory = 127774720 (124780K bytes)
Jul 22 10:19:35 xxx /kernel.old: Preloaded elf kernel "kernel" at 0xc023c000.
Jul 22 10:19:35 xxx /kernel.old: Probing for devices on PCI bus 0:
Jul 22 10:19:35 xxx /kernel.old: chip0: <Intel 82443BX host to PCI bridge> rev 0x02 on
pci0.0.0
Jul 22 10:19:35 xxx /kernel.old: chip1: <Intel 82443BX host to AGP bridge> rev 0x02 on
pci0.1.0
Jul 22 10:19:35 xxx /kernel.old: xl0: <3Com 3c905-TX Fast Etherlink XL> rev 0x00 int a
irq 11 on pci0.13.0
Jul 22 10:19:35 xxx /kernel.old: xl0: Ethernet address: 00:60:08:e8:6b:1d
Jul 22 10:19:35 xxx /kernel.old: xl0: autoneg complete, link status good (full-duplex,
100Mbps)
Jul 22 10:19:35 xxx /kernel.old: chip2: <Intel 82371AB PCI to ISA bridge> rev 0x02 on
pci0.20.0
Jul 22 10:19:35 xxx /kernel.old: ide_pci0: <Intel PIIX4 Bus-master IDE controller> rev
0x01 on pci0.20.1
Jul 22 10:19:35 xxx /kernel.old: chip3: <Intel 82371AB Power management controller>
rev 0x02 on pci0.20.3
Jul 22 10:19:35 xxx /kernel.old: Probing for devices on PCI bus 1:
Jul 22 10:19:35 xxx /kernel.old: vga0: <ATI model 4742 graphics accelerator> rev 0x5c
int a irq 11 on pci1.0.0
Jul 22 10:19:35 xxx /kernel.old: Probing for PnP devices:
Jul 22 10:19:35 xxx /kernel.old: Probing for devices on the ISA bus:
Jul 22 10:19:35 xxx /kernel.old: sc0 on isa
Jul 22 10:19:35 xxx /kernel.old: sc0: VGA color <16 virtual consoles, flags=0x0>
Jul 22 10:19:35 xxx /kernel.old: atkbdc0 at 0x60-0x6f on motherboard
Jul 22 10:19:35 xxx /kernel.old: atkbd0 irq 1 on isa
Jul 22 10:19:35 xxx /kernel.old: fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
Jul 22 10:19:35 xxx /kernel.old: fdc0: FIFO enabled, 8 bytes threshold
Jul 22 10:19:35 xxx /kernel.old: fd0: 1.44MB 3.5in
Jul 22 10:19:35 xxx /kernel.old: wdc0 at 0x1f0-0x1f7 irq 14 flags 0xa0ffa0ff on isa
Jul 22 10:19:35 xxx /kernel.old: wdc0: unit 0 (wd0): <Maxtor 90640D4>, DMA, 32-bit,
multi-block-16
Jul 22 10:19:35 xxx /kernel.old: wd0: 6149MB (12594960 sectors), 13328 cyls, 15 heads,
63 S/T, 512 B/S
Jul 22 10:19:35 xxx /kernel.old: wdc1 at 0x170-0x177 irq 15 flags 0xa0ffa0ff on isa
Jul 22 10:19:35 xxx /kernel.old: wdc1: unit 0 (atapi): <CD-ROM CDU611-Q/2.0c>,
removable, accel, dma, iordis
Jul 22 10:19:35 xxx /kernel.old: acd0: drive speed 1723KB/sec, 256KB cache
Jul 22 10:19:35 xxx /kernel.old: acd0: supported read types: CD-R, CD-RW, CD-DA
Jul 22 10:19:35 xxx /kernel.old: acd0: Audio: play, 16 volume levels
Jul 22 10:19:35 xxx /kernel.old: acd0: Mechanism: ejectable tray
Jul 22 10:19:35 xxx /kernel.old: acd0: Medium: no/blank disc inside, unlocked
Jul 22 10:19:35 xxx /kernel.old: npx0 on motherboard
Jul 22 10:19:35 xxx /kernel.old: npx0: INT 16 interface
Jul 22 10:19:35 xxx /kernel.old: vga0 at 0x3b0-0x3df maddr 0xa0000 msize 131072 on isa
Jul 22 10:19:35 xxx /kernel.old: IP packet filtering initialized, divert disabled,
rule-based forwarding disabled, unlimited logging
Jul 22 10:19:35 xxx /kernel.old: DUMMYNET initialized (990504)
Jul 22 10:19:35 xxx /kernel.old: changing root device to wd0s1a
Jul 22 10:19:35 xxx /kernel.old: wd0: DMA failure, DMA status 5<active>
Jul 22 10:19:35 xxx last message repeated 11 times
Jul 22 10:19:35 xxx /kernel.old: Copyright (c) 1992-1999 FreeBSD Inc.
Jul 22 10:19:35 xxx /kernel.old: Copyright (c) 1982, 1986, 1989, 1991, 1993
Jul 22 10:19:35 xxx /kernel.old: The Regents of the University of California. All
rights reserved.
Jul 22 10:19:35 xxx /kernel.old: FreeBSD 3.2-RELEASE #2: Mon Jul 12 20:41:42 CEST 1999
Jul 22 10:19:35 xxx /kernel.old: [EMAIL PROTECTED]:/usr/src/sys/compile/XXXXX
Jul 22 10:19:35 xxx /kernel.old: Timecounter "i8254" frequency 1193182 Hz
Jul 22 10:19:35 xxx /kernel.old: Timecounter "TSC" frequency 348205021 Hz
Jul 22 10:19:35 xxx /kernel.old: CPU: Pentium II/Xeon/Celeron (348.21-MHz 686-class
CPU)
Jul 22 10:19:35 xxx /kernel.old: Origin = "GenuineIntel" Id = 0x652 Stepping=2
Jul 22 10:19:35 xxx /kernel.old:
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,<b24>>
Jul 22 10:19:35 xxx /kernel.old: real memory = 134217728 (131072K bytes)
Jul 22 10:19:35 xxx /kernel.old: avail memory = 127832064 (124836K bytes)
Jul 22 10:19:35 xxx /kernel.old: Preloaded elf kernel "kernel.old" at 0xc023a000.
Jul 22 10:19:35 xxx /kernel.old: Probing for devices on PCI bus 0:
Jul 22 10:19:35 xxx /kernel.old: chip0: <Intel 82443BX host to PCI bridge> rev 0x02 on
pci0.0.0
Jul 22 10:19:35 xxx /kernel.old: chip1: <Intel 82443BX host to AGP bridge> rev 0x02 on
pci0.1.0
Jul 22 10:19:35 xxx /kernel.old: xl0: <3Com 3c905-TX Fast Etherlink XL> rev 0x00 int a
irq 11 on pci0.13.0
Jul 22 10:19:35 xxx /kernel.old: xl0: Ethernet address: 00:60:08:e8:6b:1d
Jul 22 10:19:35 xxx /kernel.old: xl0: autoneg complete, link status good (full-duplex,
100Mbps)
Jul 22 10:19:35 xxx /kernel.old: chip2: <Intel 82371AB PCI to ISA bridge> rev 0x02 on
pci0.20.0
Jul 22 10:19:35 xxx /kernel.old: ide_pci0: <Intel PIIX4 Bus-master IDE controller> rev
0x01 on pci0.20.1
Jul 22 10:19:35 xxx /kernel.old: chip3: <Intel 82371AB Power management controller>
rev 0x02 on pci0.20.3
Jul 22 10:19:35 xxx /kernel.old: Probing for devices on PCI bus 1:
Jul 22 10:19:35 xxx /kernel.old: vga0: <ATI model 4742 graphics accelerator> rev 0x5c
int a irq 11 on pci1.0.0
Jul 22 10:19:35 xxx /kernel.old: Probing for PnP devices:
Jul 22 10:19:35 xxx /kernel.old: Probing for devices on the ISA bus:
Jul 22 10:19:35 xxx /kernel.old: sc0 on isa
Jul 22 10:19:35 xxx /kernel.old: sc0: VGA color <16 virtual consoles, flags=0x0>
Jul 22 10:19:35 xxx /kernel.old: atkbdc0 at 0x60-0x6f on motherboard
Jul 22 10:19:35 xxx /kernel.old: atkbd0 irq 1 on isa
Jul 22 10:19:35 xxx /kernel.old: fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
Jul 22 10:19:35 xxx /kernel.old: fdc0: FIFO enabled, 8 bytes threshold
Jul 22 10:19:35 xxx /kernel.old: fd0: 1.44MB 3.5in
Jul 22 10:19:35 xxx /kernel.old: wdc0 at 0x1f0-0x1f7 irq 14 flags 0xa0ffa0ff on isa
Jul 22 10:19:35 xxx /kernel.old: wdc0: unit 0 (wd0): <Maxtor 90640D4>, DMA, 32-bit,
multi-block-16
Jul 22 10:19:35 xxx /kernel.old: wd0: 6149MB (12594960 sectors), 13328 cyls, 15 heads,
63 S/T, 512 B/S
Jul 22 10:19:35 xxx /kernel.old: wdc1 at 0x170-0x177 irq 15 flags 0xa0ffa0ff on isa
Jul 22 10:19:35 xxx /kernel.old: wdc1: unit 0 (atapi): <CD-ROM CDU611-Q/2.0c>,
removable, accel, dma, iordis
Jul 22 10:19:35 xxx /kernel.old: acd0: drive speed 1723KB/sec, 256KB cache
Jul 22 10:19:35 xxx /kernel.old: acd0: supported read types: CD-R, CD-RW, CD-DA
Jul 22 10:19:35 xxx /kernel.old: acd0: Audio: play, 16 volume levels
Jul 22 10:19:35 xxx /kernel.old: acd0: Mechanism: ejectable tray
Jul 22 10:19:35 xxx /kernel.old: acd0: Medium: no/blank disc inside, unlocked
Jul 22 10:19:35 xxx /kernel.old: npx0 on motherboard
Jul 22 10:19:35 xxx /kernel.old: npx0: INT 16 interface
Jul 22 10:19:35 xxx /kernel.old: vga0 at 0x3b0-0x3df maddr 0xa0000 msize 131072 on isa
Jul 22 10:19:35 xxx /kernel.old: IP packet filtering initialized, divert disabled,
rule-based forwarding disabled, unlimited logging
Jul 22 10:19:35 xxx /kernel.old: DUMMYNET initialized (990504)
Jul 22 10:19:35 xxx /kernel.old: changing root device to wd0s1a
Jul 22 10:19:36 xxx savecore: no core dump
Jul 22 10:19:36 xxx named[132]: starting. named 8.1.2 Wed Jul 21 15:47:47 CEST 1999
[EMAIL PROTECTED]:/usr/obj/usr/src/usr.sbin/named
Jul 22 10:19:36 xxx named[133]: Ready to answer queries.
Jul 22 10:19:37 xxx xntpd[138]: xntpd version=3.4e (beta multicast); Wed Jul 21
15:48:21 CEST 1999 (1)
Jul 22 10:19:37 xxx xntpd[138]: tickadj = 5, tick = 10000, tvu_maxslew = 495
Jul 22 10:19:37 xxx xntpd[138]: using xntpd phase-lock loop
Jul 22 10:21:24 xxx su: des to root on /dev/ttyp0
root@xxx /# strings -n 3 /kernel | grep '^___'
___#
___# Kernel configuration for XXXXX servers.
___#
___
___machine "i386"
___cpu "I586_CPU"
___cpu "I686_CPU"
___ident XXXXX
___maxusers 256
___
___# General options
___options "COMPAT_43"
___options KTRACE
___options SYSVSHM
___options SYSVMSG
___options SYSVSEM
___options INCLUDE_CONFIG_FILE
___options USERCONFIG
___options VISUAL_USERCONFIG
___
___config kernel root on wd0
___
___# Buses
___controller isa0
___controller pnp0
___controller pci0
___
___device npx0 at isa? port IO_NPX irq 13
___
___# File system
___options FFS
___options FFS_ROOT
___options MFS
___options MFS_ROOT
___options PROCFS
___options SOFTUPDATES
___
___controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2
___disk fd0 at fdc0 drive 0
___controller wdc0 at isa? port "IO_WD1" bio irq 14 flags 0xa0ffa0ff
___disk wd0 at wdc0 drive 0
___disk wd1 at wdc0 drive 1
___controller wdc1 at isa? port "IO_WD2" bio irq 15 flags 0xa0ffa0ff
___disk wd2 at wdc1 drive 0
___disk wd3 at wdc1 drive 1
___options ATAPI
___options ATAPI_STATIC
___device acd0
___pseudo-device vn 2
___
___# Networking
___options INET
___options IPFIREWALL
___options IPFIREWALL_VERBOSE
___options DUMMYNET
___options NMBCLUSTERS=8192
___device fxp0
___device xl0
___pseudo-device ether
___pseudo-device loop 2
___pseudo-device bpfilter 4
___pseudo-device pty 64
___
___# Console
___controller atkbdc0 at isa? port IO_KBD tty
___device atkbd0 at isa? tty irq 1
___device vga0 at isa? port ? conflicts
___device sc0 at isa? tty
___options "MSGBUF_SIZE=40960"
___
___
root@xxx /# strings -n 3 /kernel.old | grep '^___'
___#
___# Kernel configuration for XXXXX servers.
___#
___
___machine "i386"
___cpu "I586_CPU"
___cpu "I686_CPU"
___ident XXXXX
___maxusers 256
___
___# General options
___options "COMPAT_43"
___options KTRACE
___options SYSVSHM
___options SYSVMSG
___options SYSVSEM
___options INCLUDE_CONFIG_FILE
___options USERCONFIG
___options VISUAL_USERCONFIG
___
___config kernel root on wd0
___
___# Buses
___controller isa0
___controller pnp0
___controller pci0
___
___device npx0 at isa? port IO_NPX irq 13
___
___# File system
___options FFS
___options FFS_ROOT
___options MFS
___options MFS_ROOT
___options PROCFS
___options SOFTUPDATES
___
___controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2
___disk fd0 at fdc0 drive 0
___controller wdc0 at isa? port "IO_WD1" bio irq 14 flags 0xa0ffa0ff
___disk wd0 at wdc0 drive 0
___disk wd1 at wdc0 drive 1
___controller wdc1 at isa? port "IO_WD2" bio irq 15 flags 0xa0ffa0ff
___disk wd2 at wdc1 drive 0
___disk wd3 at wdc1 drive 1
___options ATAPI
___options ATAPI_STATIC
___device acd0
___pseudo-device vn 2
___
___# Networking
___options INET
___options IPFIREWALL
___options IPFIREWALL_VERBOSE
___options DUMMYNET
___options NMBCLUSTERS=8192
___device fxp0
___device xl0
___pseudo-device ether
___pseudo-device loop 2
___pseudo-device bpfilter 4
___pseudo-device pty 64
___
___# Console
___controller atkbdc0 at isa? port IO_KBD tty
___device atkbd0 at isa? tty irq 1
___device vga0 at isa? port ? conflicts
___device sc0 at isa? tty
___options "MSGBUF_SIZE=40960"
___
___
DES
--
Dag-Erling Smorgrav - [EMAIL PROTECTED]
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