ada,ata and cd?
Anton Shterenlikht
mexas at bristol.ac.uk
Tue Jul 10 22:08:52 UTC 2012
On Mon, Jul 09, 2012 at 05:14:01PM -0700, Garrett Cooper wrote:
> On Mon, Jul 9, 2012 at 4:38 PM, Steve Kargl
> <sgk at troutmask.apl.washington.edu> wrote:
> > On Mon, Jul 09, 2012 at 11:52:10PM +0100, Anton Shterenlikht wrote:
> >> I'm on amd64 r238259.
> >>
> >> I'm still not clear on the /usr/src/UPDATING
> >> entry from 20110424 on replacing the ATA
> >> drivers by CAM drivers.
> >>
> >> If I *do not* have device ata in the kernel,
> >> I have neither /dev/cd* or /dev/acd*,
> >> even though I have in the kernel:
> >>
> >> options ATA_CAM # Handle legacy controllers with CAM
> >> options ATA_STATIC_ID # Static device numbering
> >> device ada
> >> device cd # CD
> >>
> >
> > man 4 cam
> >
> > I suspect that you are missing 'device scbus' in
> > your config file.
>
> device scbus # SCSI bus (required for ATA/SCSI)
>
> Probably. And as the fine print says...
>
> Note that to use CAM-based ATA kernel should include CAM devices
> scbus, pass, da (or explicitly ada), cd and optionally others.
I do have all this in the kernel, see below.
Still if I don't have device ata, I get no cd:
# ls /dev
acpi console kbd0 stdin ttyve
ad4 consolectl klog stdout ttyvf
ad4s1 ctty kmem sysmouse ugen0.1
ad4s1a devctl log ttyv0 ugen0.2
ad4s1b devstat mdctl ttyv1 ugen1.1
ada0 dumpdev mem ttyv2 ugen2.1
ada0s1 fd midistat ttyv3 ugen3.1
ada0s1a fido mixer0 ttyv4 ugen4.1
ada0s1b geom.ctl null ttyv5 ugen5.1
apm io pass0 ttyv6 urandom
apmctl ipauth pccard0.cis ttyv7 usb
atkbd0 ipl pci ttyv8 usbctl
audit iplookup psm0 ttyv9 xpt0
bpf ipnat ptmx ttyva zero
bpf0 ipscan random ttyvb
bpsm0 ipstate sndstat ttyvc
cam ipsync stderr ttyvd
#
Here's the kernel config file:
cpu HAMMER
ident BUZI
makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
makeoptions MODULES_OVERRIDE=
options ATA_CAM # Handle legacy controllers with CAM
options ATA_STATIC_ID # Static device numbering
options AUDIT # Security event auditing
options CAPABILITIES # Capsicum capabilities
options CAPABILITY_MODE # Capsicum capability mode
options CD9660 # ISO 9660 Filesystem
options COMPAT_FREEBSD32 # Compatible with i386 binaries
options COMPAT_FREEBSD7 # Compatible with FreeBSD7
options COMPAT_LINUX32
options DDB # Support DDB.
options DEADLKRES # Enable the deadlock resolver
options FFS # Berkeley Fast Filesystem
options GDB # Support remote GDB.
options GEOM_LABEL # Provides labelization
options GEOM_PART_GPT # GUID Partition Tables.
options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4)
options IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's
options IEEE80211_DEBUG # enable debug msgs
options IEEE80211_SUPPORT_MESH # enable 802.11s draft support
options INCLUDE_CONFIG_FILE # Include this file in kernel
options INET # InterNETworking
options INET6 # IPv6 communications protocols
options INVARIANTS # Enable calls of extra sanity checking
options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
options IPFILTER
options IPFILTER_DEFAULT_BLOCK
options IPFILTER_LOG
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
options KDB # Enable kernel debugger support. Always need this
#options KDB_TRACE # Print a stack trace for a panic.
#options KDTRACE_FRAME # Ensure frames are compiled in
#options KDTRACE_HOOKS # Kernel DTrace hooks
options KTRACE # ktrace(1) support
options MAC # TrustedBSD MAC Framework
options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones
options MD_ROOT # MD is a potential root device
options MSDOSFS # MSDOS Filesystem
options PREEMPTION # Enable kernel thread preemption
options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed.
options PROCFS # Process filesystem (requires PSEUDOFS)
options PSEUDOFS # Pseudo-filesystem framework
options SC_PIXEL_MODE # add support for the raster text mode
options SCHED_ULE # ULE scheduler
options SCTP # Stream Control Transmission Protocol
options SMP # Symmetric MultiProcessor Kernel
options SOFTUPDATES # Enable FFS soft updates support
options STACK # stack(9) support
options SYSVSHM # SYSV-style shared memory
options SYSVMSG # SYSV-style message queues
options SYSVSEM # SYSV-style semaphores
options UFS_ACL # Support for access control lists
options UFS_DIRHASH # Improve performance on big directories
options UFS_GJOURNAL # Enable gjournal-based UFS journaling
options USB_DEBUG # enable debug msgs
options WITNESS # Enable checks to detect deadlocks and cycles
options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
device acpi
device ada
device ahci # AHCI-compatible SATA controllers
#device ata # Legacy ATA/SATA controllers
device atkbd # AT keyboard
device atkbdc # AT keyboard controller
device bge # Broadcom BCM570xx Gigabit Ethernet
device bpf # Berkeley packet filter
device bwn # Broadcom BCM43xx wireless NICs.
device cardbus # CardBus (32-bit) bus
device cbb # cardbus (yenta) bridge
device cd # CD
device cpufreq
device ctl # CAM Target Layer
device da # Direct Access (disks)
device ehci # EHCI PCI->USB interface (USB 2.0)
device ether # Ethernet support
device faith # IPv6-to-IPv4 relaying (translation)
device firmware # firmware assist module
device gif # IPv6 and IPv4 tunneling
device loop # Network loopback
device md # Memory "disks"
device miibus # MII bus support
device ohci # OHCI PCI->USB interface
device pass # Passthrough device (direct ATA/SCSI access)
device pccard # PC Card (16-bit) bus
device pci
device psm # PS/2 mouse
device pty # BSD-style compatibility pseudo ttys
device random # Entropy device
device sc # syscons is the default console driver, resembling an SCO console
device scbus # SCSI bus (required for ATA/SCSI)
device siba_bwn # required by bwn(4)
device sound # Generic sound driver (required)
device snd_hda # Intel High Definition Audio
device tun # Packet tunnel.
device uhci # UHCI PCI->USB interface
device ukbd # Keyboard
device umass # Disks/Mass storage - Requires scbus and da
device ums # Mouse
device usb # USB Bus (required)
device vga # VGA video card driver
device vlan # 802.1Q VLAN support
device wlan # 802.11 support
device wlan_amrr # AMRR transmit rate control algorithm
device wlan_ccmp # 802.11 CCMP support
device wlan_tkip # 802.11 TKIP support
device wlan_wep # 802.11 WEP support
device xhci # XHCI PCI->USB interface (USB 3.0)
I must be missing something else.
Many thanks
--
Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
Bristol University
University Walk, Bristol BS8 1TR, UK
Tel: +44 (0)117 331 5944
Fax: +44 (0)117 929 4423
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