On Tue, 5 Sep 2006, Karel Kulhavy wrote:

> I am trying to write a CD and I have
> atapiscsi0 at pciide0 channel 1 drive 0
> scsibus0 at atapiscsi0: 2 targets
> cd0 at scsibus0 targ 0 lun 0: <SAMSUNG, CDRW/DVD SN-324S, U303> SCSI0 5/cdrom
> removable
> 
> man cdrecord says: "Some operating systems or SCSI transport implementations
> may require to specify a filename in addition. In this case the correct syntax
> for the device  is:  dev=  devicename:scsibus,target,lun[...]"
> 
> May OpenBSD require to specify a filename in addition?

http://www.openbsd.org/faq/faq13.html#burnCD


> 
> If OpenBSD requires a filename in addition, does cdrecord have any further
> requirements on the filename apart that it is somehow associated with the
> writer in question? As dmesg suggests, I have a filename /dev/cd0a and
> /dev/cd0c.
> 
> However, cdrecord dev=help suggests another filename:
> 
> Transport name:         SCIOCCOMMAND
> Transport descr.:       SCSI for devices known by *BSD
> Transp. layer ind.:     
> Target specifier:       device or bus,target,lun
> Target example:         /dev/rcd0a:@ or 1,2,0
> SCSI Bus scanning:      not supported
> Open via UNIX device:   supported
> 
> In this case it's filename /dev/rcd0a, which I have on my system, too.
> 
> So the possible values for dev= according to this "documentation" are so far
> dev=0,0,0
> dev=/dev/cd0a:0,0,0
> dev=/dev/cd0c:0,0,0
> dev=/dev/rcd0a:0,0,0
> 
> $ cdrecord dev=0,0,0 disk1.iso 
> cdrecord: No write mode specified.
> cdrecord: Asuming -tao mode.
> cdrecord: Future versions of cdrecord may have different drive dependent 
> defaults.
> cdrecord: Continuing in 5 seconds...
> Cdrecord-Clone 2.01 (i386-unknown-openbsd3.9) Copyright (C) 1995-2004 Jvrg 
> Schilling
> scsidev: '0,0,0'
> scsibus: 0 target: 0 lun: 0
> cdrecord: No such file or directory. Cannot open SCSI driver.
> cdrecord: For possible targets try 'cdrecord -scanbus'.
> cdrecord: For possible transport specifiers try 'cdrecord dev=help'.
> 
> $ cdrecord dev=/dev/cd0a:0,0,0 disk1.iso
> [...]
> cdrecord: Operation not supported by device. Cannot open '/dev/cd0a'. Cannot
> open SCSI driver.
> [...]
> 
> $ cdrecord dev=/dev/cd0c:0,0,0 disk1.iso
> [...]
> cdrecord: Operation not supported by device. Cannot open '/dev/cd0c'. Cannot
> open SCSI driver.
> [...]
> 
> $ cdrecord dev=/dev/rcd0a:0,0,0 disk1.iso
> [...]
> cdrecord: Operation not supported by device. Cannot open '/dev/rcd0a'. Cannot
> open SCSI driver.
> [...]
> 
> Seems like there exists at least one operation which is not supported by
> these devices. But is it the write operation? Or something else? Does this
> mean OpenBSD doesn't support writing on my unit? Or does it mean the cryptic
> identifier I passed to dev= is just not cryptic enough?
> 
> CL<
> 
> 
> OpenBSD 3.9 (GENERIC) #617: Thu Mar  2 02:26:48 MST 2006
>     [EMAIL PROTECTED]:/usr/src/sys/arch/i386/compile/GENERIC
> cpu0: Intel(R) Pentium(R) M processor 1.50GHz ("GenuineIntel" 686-class) 1.50 
> GHz
> cpu0: 
> FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,CFLUSH,ACPI,MMX,FXSR,SSE,SSE2,SS,TM,SBF,EST,TM2
> cpu0: Enhanced SpeedStep 1500 MHz (1340 mV) (not in table)
> real mem  = 535052288 (522512K)
> avail mem = 481202176 (469924K)
> using 4278 buffers containing 26857472 bytes (26228K) of memory
> mainbus0 (root)
> bios0 at mainbus0: AT/286+(00) BIOS, date 01/28/05, BIOS32 rev. 0 @ 0xffe90
> pcibios0 at bios0: rev 2.1 @ 0xf0000/0x10000
> pcibios0: PCI IRQ Routing Table rev 1.0 @ 0xfc590/176 (9 entries)
> pcibios0: PCI Interrupt Router at 000:31:0 ("Intel 82371 ISA and IDE" rev 
> 0x00)
> pcibios0: PCI bus #2 is the last bus
> bios0: ROM list: 0xc0000/0xd800! 0xcd800/0x800 0xce000/0x800 0xce800/0x800 
> 0xcf000/0x800 0xcf800/0x800
> cpu0 at mainbus0
> pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
> pchb0 at pci0 dev 0 function 0 "Intel 82852GM Hub-PCI" rev 0x02
> "Intel 82852GM Memory" rev 0x02 at pci0 dev 0 function 1 not configured
> "Intel 82852GM Configuration" rev 0x02 at pci0 dev 0 function 3 not configured
> vga1 at pci0 dev 2 function 0 "Intel 82852GM AGP" rev 0x02: aperture at 
> 0xf0000000, size 0x8000000
> wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
> wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
> "Intel 82852GM AGP" rev 0x02 at pci0 dev 2 function 1 not configured
> uhci0 at pci0 dev 29 function 0 "Intel 82801DB USB" rev 0x01: irq 11
> usb0 at uhci0: USB revision 1.0
> uhub0 at usb0
> uhub0: Intel UHCI root hub, rev 1.00/1.00, addr 1
> uhub0: 2 ports with 2 removable, self powered
> uhci1 at pci0 dev 29 function 1 "Intel 82801DB USB" rev 0x01: irq 11
> usb1 at uhci1: USB revision 1.0
> uhub1 at usb1
> uhub1: Intel UHCI root hub, rev 1.00/1.00, addr 1
> uhub1: 2 ports with 2 removable, self powered
> uhci2 at pci0 dev 29 function 2 "Intel 82801DB USB" rev 0x01: irq 11
> usb2 at uhci2: USB revision 1.0
> uhub2 at usb2
> uhub2: Intel UHCI root hub, rev 1.00/1.00, addr 1
> uhub2: 2 ports with 2 removable, self powered
> ehci0 at pci0 dev 29 function 7 "Intel 82801DB USB" rev 0x01: irq 11
> usb3 at ehci0: USB revision 2.0
> uhub3 at usb3
> uhub3: Intel EHCI root hub, rev 2.00/1.00, addr 1
> uhub3: 6 ports with 6 removable, self powered
> ppb0 at pci0 dev 30 function 0 "Intel 82801BAM Hub-to-PCI" rev 0x81
> pci1 at ppb0 bus 1
> cbb0 at pci1 dev 1 function 0 "Texas Instruments PCI4510 CardBus" rev 0x02: 
> irq 11
> "Texas Instruments PCI4510 FireWire" rev 0x00 at pci1 dev 1 function 1 not 
> configured
> ipw0 at pci1 dev 3 function 0 "Intel PRO/Wireless 2100" rev 0x04: irq 11, 
> address 00:0c:f1:61:60:36
> fxp0 at pci1 dev 8 function 0 "Intel PRO/100 VE" rev 0x81, i82562: irq 11, 
> address 00:11:43:52:46:e7
> inphy0 at fxp0 phy 1: i82562ET 10/100 PHY, rev. 0
> cardslot0 at cbb0 slot 0 flags 0
> cardbus0 at cardslot0: bus 2 device 0 cacheline 0x8, lattimer 0x20
> pcmcia0 at cardslot0
> ichpcib0 at pci0 dev 31 function 0 "Intel 82801DBM LPC" rev 0x01: SpeedStep
> pciide0 at pci0 dev 31 function 1 "Intel 82801DBM IDE" rev 0x01: DMA, channel 
> 0 configured to compatibility, channel 1 configured to compatibility
> wd0 at pciide0 channel 0 drive 0: <HTS548040M9AT00>
> wd0: 16-sector PIO, LBA48, 38154MB, 78140160 sectors
> wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 5
> atapiscsi0 at pciide0 channel 1 drive 0
> scsibus0 at atapiscsi0: 2 targets
> cd0 at scsibus0 targ 0 lun 0: <SAMSUNG, CDRW/DVD SN-324S, U303> SCSI0 5/cdrom 
> removable
> cd0(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 2
> auich0 at pci0 dev 31 function 5 "Intel 82801DB AC97" rev 0x01: irq 11, ICH4 
> AC97
> ac97: codec id 0x83847650 (SigmaTel STAC9750/51)
> ac97: codec features headphone, 20 bit DAC, 20 bit ADC, SigmaTel 3D
> audio0 at auich0
> isa0 at ichpcib0
> isadma0 at isa0
> pckbc0 at isa0 port 0x60/5
> pckbd0 at pckbc0 (kbd slot)
> pckbc0: using irq 1 for kbd slot
> wskbd0 at pckbd0: console keyboard, using wsdisplay0
> pms0 at pckbc0 (aux slot)
> pckbc0: using irq 12 for aux slot
> wsmouse0 at pms0 mux 0
> pcppi0 at isa0 port 0x61
> midi0 at pcppi0: <PC speaker>
> spkr0 at pcppi0
> npx0 at isa0 port 0xf0/16: using exception 16
> pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
> biomask efed netmask efed ttymask ffef
> pctr: 686-class user-level performance counters enabled
> mtrr: Pentium Pro MTRR support
> uhidev0 at uhub1 port 1 configuration 1 interface 0
> uhidev0: Logitech USB-PS/2 Optical Mouse, rev 2.00/20.00, addr 2, iclass 3/1
> ums0 at uhidev0: 3 buttons and Z dir.
> wsmouse1 at ums0 mux 0
> dkcsum: wd0 matches BIOS drive 0x80
> root on wd0a
> rootdev=0x0 rrootdev=0x300 rawdev=0x302
> auich0: measured ac97 link rate at 48012 Hz, will use 48000 Hz

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