On Sep 23 at 11:39, Soeren Schmidt spoke:

> It seems Hanspeter Roth wrote:
> > 
> > Hello,
> > 
> > I'm running 4.6.2-Release. I have 4 CD-RWs connected via Promise
> > ATA 100/133 TX2.
> > Burning with 3 drives consumes almost all CPU power.
> > When enabling Wdma2/Udma2? the system hangs immediately. This is the
> > case with burncd as well as with cdrecord.
> That should work, provided your burners support DMA properly.
> What make are those burners ? dmesg please!!

PLEXTOR CD-R   PX-W4012A 1.02

So I should give it a try!?

Copyright (c) 1992-2002 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD 4.6.2-RELEASE #4: Sat Sep 21 22:08:35 CEST 2002
Timecounter "i8254"  frequency 1193182 Hz
CPU: AMD Athlon(TM) XP 1800+ (1160.34-MHz 686-class CPU)
  Origin = "AuthenticAMD"  Id = 0x662  Stepping = 2
  AMD Features=0xc0400000<AMIE,DSP,3DNow!>
real memory  = 268419072 (262128K bytes)
sio0: gdb debugging port
avail memory = 257232896 (251204K bytes)
Preloaded elf kernel "kernel" at 0xc03ee000.
Pentium Pro MTRR support enabled
md0: Malloc disk
Using $PIR table, 9 entries at 0xc00f1e30
apm0: <APM BIOS> on motherboard
apm: found APM BIOS v1.2, connected at v1.2
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib2: <PCI to PCI bridge (vendor=1039 device=0001)> at device 1.0 on pci0
pci1: <PCI bus> on pcib2
pci1: <ATI model 5446 graphics accelerator> at 0.0 irq 11
isab0: <PCI to ISA bridge (vendor=1039 device=0018)> at device 2.0 on pci0
isa0: <ISA bus> on isab0
ohci0: <SiS 5571 USB controller> mem 0xef000000-0xef000fff irq 9 at device 2.2 on pci0
usb0: OHCI version 1.0, legacy support
usb0: <SiS 5571 USB controller> on ohci0
usb0: USB revision 1.0
uhub0: SiS OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 3 ports with 3 removable, self powered
ohci1: <SiS 5571 USB controller> mem 0xee800000-0xee800fff irq 9 at device 2.3 on pci0
usb1: OHCI version 1.0, legacy support
usb1: <SiS 5571 USB controller> on ohci1
usb1: USB revision 1.0
uhub1: SiS OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 3 ports with 3 removable, self powered
atapci0: <SiS 5591 ATA100 controller> port 0xb800-0xb80f at device 2.5 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
atapci1: <Promise TX2 ATA100 controller> port 
0x8800-0x880f,0x9000-0x9003,0x9400-0x9407,0x9800-0x9803,0xa000-0xa007 mem 
0xee000000-0xee003fff irq 10 at device 9.0 on pci0
ata2: at 0xa000 on atapci1
ata3: at 0x9400 on atapci1
pcm0: <AudioPCI ES1373-B> port 0x8400-0x843f irq 5 at device 10.0 on pci0
rl0: <RealTek 8139 10/100BaseTX> port 0x8000-0x80ff mem 0xed800000-0xed8000ff irq 9 at 
device 11.0 on pci0
rl0: Ethernet address: 00:02:44:67:ad:1b
miibus0: <MII bus> on rl0
rlphy0: <RealTek internal media interface> on miibus0
rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
atapci2: <Promise TX2 ATA133 controller> port 
0x6400-0x640f,0x6800-0x6803,0x7000-0x7007,0x7400-0x7403,0x7800-0x7807 mem 
0xed000000-0xed003fff irq 9 at device 12.0 on pci0
ata4: at 0x7800 on atapci2
ata5: at 0x7000 on atapci2
pcib1: <SiS 5591 host to AGP bridge> on motherboard
pci2: <PCI bus> on pcib1
orm0: <Option ROM> at iomem 0xc0000-0xc7fff on isa0
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 0x60,0x64 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model Generic PS/2 mouse, device ID 0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x90 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/16 bytes threshold
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
i4bisppp: 4 ISDN SyncPPP device(s) attached
i4b: ISDN call control device attached
i4btel: 2 ISDN telephony interface device(s) attached
i4brbch: 4 raw B channel access device(s) attached
i4bipr: 4 IP over raw HDLC ISDN device(s) attached (VJ header compression)
i4bctl: ISDN system control port attached
i4btrc: 4 ISDN trace device(s) attached
IP Filter: v3.4.27 initialized.  Default = block all, Logging = enabled
ad0: 76351MB <SAMSUNG SP8004H> [155127/16/63] at ata0-master UDMA100
acd0: CD-RW <Memorex SixteenMAXX 1040> at ata1-master PIO4
acd1: CD-RW <PLEXTOR CD-R PX-W4012A> at ata2-master PIO4
acd2: CD-RW <PLEXTOR CD-R PX-W4012A> at ata3-master PIO4
acd3: CD-RW <PLEXTOR CD-R PX-W4012A> at ata4-master PIO4
acd4: CD-RW <PLEXTOR CD-R PX-W4012A> at ata5-master PIO4
cd1 at ata2 bus 0 target 0 lun 0
cd1: <PLEXTOR CD-R   PX-W4012A 1.02> Removable CD-ROM SCSI-0 device 
cd1: 16.000MB/s transfers
cd1: cd present [215859 x 2048 byte records]
cd2 at ata3 bus 0 target 0 lun 0
cd2: <PLEXTOR CD-R   PX-W4012A 1.02> Removable CD-ROM SCSI-0 device 
cd2: 16.000MB/s transfers
cd2: cd present [215859 x 2048 byte records]
cd3 at ata4 bus 0 target 0 lun 0
cd3: <PLEXTOR CD-R   PX-W4012A 1.02> Removable CD-ROM SCSI-0 device 
cd3: 16.000MB/s transfers
cd3: cd present [215859 x 2048 byte records]
cd4 at ata5 bus 0 target 0 lun 0
cd4: <PLEXTOR CD-R   PX-W4012A 1.02> Removable CD-ROM SCSI-0 device 
cd4: 16.000MB/s transfers
cd4: cd present [4294967146 x 2048 byte records]
Mounting root from ufs:/dev/ad0s4a
cd0 at ata1 bus 0 target 0 lun 0
cd0: <Memorex SixteenMAXX 1040 TWS1> Removable CD-ROM SCSI-0 device 
cd0: 16.000MB/s transfers
cd0: Attempt to query device size failed: NOT READY, Medium not present - tray closed

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