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Date:      Tue, 1 Nov 2005 09:23:36 -0500
From:      "Brian K. White" <brian@aljex.com>
To:        <current@freebsd.org>
Subject:   Re: kernel question ???
Message-ID:  <00cb01c5deef$d8d19110$931fa8c0@venti>
References:  <1130853135.5987.18.camel@wbedllfs.xtra-net.org>

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----- Original Message ----- 
From: "Vincent Blondel" <vincent@xtra-net.org>
To: <current@freebsd.org>
Sent: Tuesday, November 01, 2005 8:52 AM
Subject: kernel question ???


> Hello all,
>
> Sorry for this, maybe stupid, question but I more often compile kernels
> on Linux platforms.
>
> So, in linux world, there is a very simple way to compile devices as
> modules and I am now trying to do this same feature in my FreeBSD kernel
> ( 7.0-current ) for all network devices ( all /boot/kernel/if_xxx.so )
> that I would like to (un)load when it is necessary.
>
> I don't know if it is the right way to do it but I removed all network
> devices from my kernel config file (see below) but I get some problems
> when compiling the kernel (see below).
>
> Could you please help me to solve this problem ?

You took out device miibus
Yet you left in these nic devices which require miibus, as stated right in 
the comment:

# USB Ethernet, requires miibus
device aue # ADMtek USB Ethernet
device axe # ASIX Electronics USB Ethernet
device cdce # Generic USB over Ethernet
device cue # CATC USB Ethernet
device kue # Kawasaki LSI USB Ethernet
device rue # RealTek RTL8150 USB Ethernet


Either take _all_ nic devices out and load what you want as modules in 
/boot/loader.conf
(The modules still get built when you remove the devices from the kernel 
config.)

/boot/loader.conf:
miibus_load="YES"
if_fxp_load="YES"

Or put "device miibus" back in, along with any nic devices you'll actually 
use.

I think it's even possible to load the nic driver as a module even when you 
are pxe booting via that nic.

Brian K. White  --  brian@aljex.com  --  http://www.aljex.com/bkw/
+++++[>+++[>+++++>+++++++<<-]<-]>>+.>.+++++.+++++++.-.[>+<---]>++.
filePro  BBx    Linux  SCO  FreeBSD    #callahans  Satriani  Filk!


> Regards
> Vincent
>
> -----
>
> kernel config file RELENG_6_i686
>
> machine i386
> cpu I686_CPU
> ident RELENG_6_i686
>
> # To statically compile in device wiring instead of /boot/device.hints
> #hints "GENERIC.hints" # Default places to look for devices.
>
> makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
>
> options SC_DISABLE_REBOOT
>
> #options SCHED_ULE # ULE scheduler
> options SCHED_4BSD # 4BSD scheduler
> options PREEMPTION # Enable kernel thread preemption
> options INET # InterNETworking
> options INET6 # IPv6 communications protocols
> options FFS # Berkeley Fast Filesystem
> options SOFTUPDATES # Enable FFS soft updates support
> options UFS_ACL # Support for access control lists
> options UFS_DIRHASH # Improve performance on big directories
> options MD_ROOT # MD is a potential root device
> options NFSCLIENT # Network Filesystem Client
> options NFSSERVER # Network Filesystem Server
> options NFS_ROOT # NFS usable as /, requires NFSCLIENT
> options MSDOSFS # MSDOS Filesystem
> options CD9660 # ISO 9660 Filesystem
> options PROCFS # Process filesystem (requires PSEUDOFS)
> options PSEUDOFS # Pseudo-filesystem framework
> options GEOM_GPT # GUID Partition Tables.
> options COMPAT_43 # Compatible with BSD 4.3 [KEEP THIS!]
> options COMPAT_FREEBSD4 # Compatible with FreeBSD4
> options COMPAT_FREEBSD5 # Compatible with FreeBSD5
> options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI
> options KTRACE # ktrace(1) support
> options SYSVSHM # SYSV-style shared memory
> options SYSVMSG # SYSV-style message queues
> options SYSVSEM # SYSV-style semaphores
> options _KPOSIX_PRIORITY_SCHEDULING
> options KBD_INSTALL_CDEV # install a CDEV entry in /dev
> options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
> # output.  Adds ~128k to driver.
> options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
> # output.  Adds ~215k to driver.
> options ADAPTIVE_GIANT # Giant mutex is adaptive.
>
> # Debugging for use in -current
> options KDB # Enable kernel debugger support.
> options DDB # Support DDB.
> options GDB # Support remote GDB.
> options INVARIANTS # Enable calls of extra sanity checking
> options INVARIANT_SUPPORT # Extra sanity checks of internal structures,
> required by INVARIANTS
> options WITNESS # Enable checks to detect deadlocks and cycles
> options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
>
> # To make an SMP kernel, the next two lines are needed
> #options SMP # Symmetric MultiProcessor Kernel
> device apic # I/O APIC
>
> # Bus support.
> device isa
> device eisa
> device pci
>
> # Floppy drives
> device fdc
>
> # ATA and ATAPI devices
> device ata
> device atadisk # ATA disk drives
> device ataraid # ATA RAID drives
> device atapicd # ATAPI CDROM drives
> device atapifd # ATAPI floppy drives
> device atapist # ATAPI tape drives
> options ATA_STATIC_ID # Static device numbering
>
> # SCSI Controllers
> device ahb # EISA AHA1742 family
> device ahc # AHA2940 and onboard AIC7xxx devices
> device ahd # AHA39320/29320 and onboard AIC79xx devices
> device amd # AMD 53C974 (Tekram DC-390(T))
> device isp # Qlogic family
> #device ispfw # Firmware for QLogic HBAs- normally a module
> device mpt # LSI-Logic MPT-Fusion
> #device ncr # NCR/Symbios Logic
> device sym # NCR/Symbios Logic (newer chipsets + those of `ncr')
> device trm # Tekram DC395U/UW/F DC315U adapters
>
> device adv # Advansys SCSI adapters
> device adw # Advansys wide SCSI adapters
> device aha # Adaptec 154x SCSI adapters
> device aic # Adaptec 15[012]x SCSI adapters, AIC-6[23]60.
> device bt # Buslogic/Mylex MultiMaster SCSI adapters
>
> device ncv # NCR 53C500
> device nsp # Workbit Ninja SCSI-3
> device stg # TMC 18C30/18C50
>
> # SCSI peripherals
> device scbus # SCSI bus (required for SCSI)
> device ch # SCSI media changers
> device da # Direct Access (disks)
> device sa # Sequential Access (tape etc)
> device cd # CD
> device pass # Passthrough device (direct SCSI access)
> device ses # SCSI Environmental Services (and SAF-TE)
>
> # RAID controllers interfaced to the SCSI subsystem
> device amr # AMI MegaRAID
> device arcmsr # Areca SATA II RAID
> device asr # DPT SmartRAID V, VI and Adaptec SCSI RAID
> device ciss # Compaq Smart RAID 5*
> device dpt # DPT Smartcache III, IV - See NOTES for options
> device hptmv # Highpoint RocketRAID 182x
> device iir # Intel Integrated RAID
> device ips # IBM (Adaptec) ServeRAID
> device mly # Mylex AcceleRAID/eXtremeRAID
> device twa # 3ware 9000 series PATA/SATA RAID
>
> # RAID controllers
> device aac # Adaptec FSA RAID
> device aacp # SCSI passthrough for aac (requires CAM)
> device ida # Compaq Smart RAID
> device mlx # Mylex DAC960 family
> device pst # Promise Supertrak SX6000
> device twe # 3ware ATA RAID
>
> # atkbdc0 controls both the keyboard and the PS/2 mouse
> device atkbdc # AT keyboard controller
> device atkbd # AT keyboard
> device psm # PS/2 mouse
>
> device vga # VGA video card driver
>
> device splash # Splash screen and screen saver support
>
> # syscons is the default console driver, resembling an SCO console
> device sc
>
> # Enable this for the pcvt (VT220 compatible) console driver
> #device vt
> #options XSERVER # support for X server on a vt console
> #options FAT_CURSOR # start with block cursor
>
> # Power management support (see NOTES for more options)
> #device apm
> # Add suspend/resume support for the i8254.
> device pmtimer
>
> # PCCARD (PCMCIA) support
> # PCMCIA and cardbus bridge support
> device cbb # cardbus (yenta) bridge
> device pccard # PC Card (16-bit) bus
> device cardbus # CardBus (32-bit) bus
>
> # Serial (COM) ports
> device sio # 8250, 16[45]50 based serial ports
>
> # Parallel port
> device ppc
> device ppbus # Parallel port bus (required)
> device lpt # Printer
> device plip # TCP/IP over parallel
> device ppi # Parallel port interface device
> #device vpo # Requires scbus and da
>
> # If you've got a "dumb" serial or parallel PCI card that is
> # supported by the puc(4) glue driver, uncomment the following
> # line to enable it (connects to the sio and/or ppc drivers):
> #device puc
>
> # ISA devices that use the old ISA shims
> #device le
>
> # Pseudo devices.
> device loop # Network loopback
> device random # Entropy device
> device ether # Ethernet support
> device sl # Kernel SLIP
> device ppp # Kernel PPP
> device tun # Packet tunnel.
> device pty # Pseudo-ttys (telnet etc)
> device md # Memory "disks"
> device gif # IPv6 and IPv4 tunneling
> device faith # IPv6-to-IPv4 relaying (translation)
>
> # The `bpf' device enables the Berkeley Packet Filter.
> # Be aware of the administrative consequences of enabling this!
> # Note that 'bpf' is required for DHCP.
> device bpf # Berkeley packet filter
>
> # USB support
> device uhci # UHCI PCI->USB interface
> device ohci # OHCI PCI->USB interface
> device ehci # EHCI PCI->USB interface (USB 2.0)
> device usb # USB Bus (required)
> #device udbp # USB Double Bulk Pipe devices
> device ugen # Generic
> device uhid # "Human Interface Devices"
> device ukbd # Keyboard
> device ulpt # Printer
> device umass # Disks/Mass storage - Requires scbus and da
> device ums # Mouse
> device ural # Ralink Technology RT2500USB wireless NICs
> device urio # Diamond Rio 500 MP3 player
> device uscanner # Scanners
> # USB Ethernet, requires miibus
> device aue # ADMtek USB Ethernet
> device axe # ASIX Electronics USB Ethernet
> device cdce # Generic USB over Ethernet
> device cue # CATC USB Ethernet
> device kue # Kawasaki LSI USB Ethernet
> device rue # RealTek RTL8150 USB Ethernet
>
> # FireWire support
> device firewire # FireWire bus code
> device sbp # SCSI over FireWire (Requires scbus and da)
> device fwe # Ethernet over FireWire (non-standard!)
>
> -----
>
> make buildkernel KERNCONF=RELENG_6_i686
>
> MAKE=/usr/obj/usr/src/make.i386/make sh /usr/src/sys/conf/newvers.sh
> RELENG_6_i686
> cc -c -O -pipe  -Wall -Wredundant-decls -Wnested-externs
> -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline
> -Wcast-qual  -fformat-extensions -std=c99 -g -nostdinc -I-  -I.
> -I/usr/src/sys -I/usr/src/sys/contrib/altq -D_KERNEL
> -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-common
> -finline-limit=8000 --param inline-unit-growth=100 --param
> large-function-growth=1000  -mno-align-long-strings
> -mpreferred-stack-boundary=2  -mno-mmx -mno-3dnow -mno-sse -mno-sse2
> -mno-sse3 -ffreestanding -Werror  vers.c
> linking kernel.debug
> if_aue.o(.text+0x96d): In function `aue_attach':
> /usr/src/sys/dev/usb/if_aue.c:749: undefined reference to
> `mii_phy_probe'
> if_aue.o(.text+0xcfe): In function `aue_tick':
> /usr/src/sys/dev/usb/if_aue.c:1032: undefined reference to `mii_tick'
> if_aue.o(.text+0x1051): In function `aue_init':
> /usr/src/sys/dev/usb/if_aue.c:1198: undefined reference to
> `mii_mediachg'
> if_aue.o(.text+0x1156): In function `aue_ifmedia_upd':
> /usr/src/sys/dev/usb/if_aue.c:1263: undefined reference to
> `mii_phy_reset'
> if_aue.o(.text+0x1166):/usr/src/sys/dev/usb/if_aue.c:1265: undefined
> reference to `mii_mediachg'
> if_aue.o(.text+0x1191): In function `aue_ifmedia_sts':
> /usr/src/sys/dev/usb/if_aue.c:1279: undefined reference to
> `mii_pollstat'
> if_aue.o(.data+0x90): In function `aue_csr_read_2':
> /usr/src/sys/dev/usb/if_aue.c:294: undefined reference to
> `miibus_readreg_desc'
> if_aue.o(.data+0x98):/usr/src/sys/dev/usb/if_aue.c:295: undefined
> reference to `miibus_writereg_desc'
> if_aue.o(.data+0xa0):/usr/src/sys/dev/usb/if_aue.c:296: undefined
> reference to `miibus_statchg_desc'
> if_aue.o(.data+0x114): In function `aue_csr_write_1':
> /usr/src/sys/dev/usb/if_aue.c:325: undefined reference to
> `miibus_driver'
> if_aue.o(.data+0x118):/usr/src/sys/dev/usb/if_aue.c:325: undefined
> reference to `miibus_devclass'
> if_axe.o(.text+0x1fe): In function `axe_ifmedia_upd':
> /usr/src/sys/dev/usb/if_axe.c:296: undefined reference to
> `mii_phy_reset'
> if_axe.o(.text+0x20e):/usr/src/sys/dev/usb/if_axe.c:298: undefined
> reference to `mii_mediachg'
> if_axe.o(.text+0x239): In function `axe_ifmedia_sts':
> /usr/src/sys/dev/usb/if_axe.c:312: undefined reference to `mii_pollstat'
> if_axe.o(.text+0x6a1): In function `axe_attach':
> /usr/src/sys/dev/usb/if_axe.c:509: undefined reference to
> `mii_phy_probe'
> if_axe.o(.text+0x9ea): In function `axe_tick':
> /usr/src/sys/dev/usb/if_axe.c:739: undefined reference to `mii_tick'
> if_axe.o(.data+0x70): In function `axe_cmd':
> /usr/src/sys/dev/usb/if_axe.c:198: undefined reference to
> `miibus_readreg_desc'
> if_axe.o(.data+0x78):/usr/src/sys/dev/usb/if_axe.c:201: undefined
> reference to `miibus_writereg_desc'
> if_axe.o(.data+0x80):/usr/src/sys/dev/usb/if_axe.c:204: undefined
> reference to `miibus_statchg_desc'
> if_axe.o(.data+0xf4): In function `axe_miibus_readreg':
> /usr/src/sys/dev/usb/if_axe.c:234: undefined reference to
> `miibus_driver'
> if_axe.o(.data+0xf8):/usr/src/sys/dev/usb/if_axe.c:234: undefined
> reference to `miibus_devclass'
> if_ural.o(.text+0x3bb): In function `ural_attach':
> /usr/src/sys/dev/usb/if_ural.c:458: undefined reference to
> `ieee80211_ieee2mhz'
> if_ural.o(.text+0x3ef):/usr/src/sys/dev/usb/if_ural.c:463: undefined
> reference to `ieee80211_ieee2mhz'
> if_ural.o(.text+0x427):/usr/src/sys/dev/usb/if_ural.c:468: undefined
> reference to `ieee80211_ieee2mhz'
> if_ural.o(.text+0x4bb):/usr/src/sys/dev/usb/if_ural.c:480: undefined
> reference to `ieee80211_ieee2mhz'
> if_ural.o(.text+0x4e2):/usr/src/sys/dev/usb/if_ural.c:487: undefined
> reference to `ieee80211_ifattach'
> if_ural.o(.text+0x513):/usr/src/sys/dev/usb/if_ural.c:493: undefined
> reference to `ieee80211_media_status'
> if_ural.o(.text+0x51e):/usr/src/sys/dev/usb/if_ural.c:493: undefined
> reference to `ieee80211_media_init'
> if_ural.o(.text+0x580):/usr/src/sys/dev/usb/if_ural.c:507: undefined
> reference to `ieee80211_announce'
> if_ural.o(.text+0x628): In function `ural_detach':
> /usr/src/sys/dev/usb/if_ural.c:535: undefined reference to
> `ieee80211_ifdetach'
> if_ural.o(.text+0x73a): In function `ural_free_tx_list':
> /usr/src/sys/dev/usb/if_ural.c:595: undefined reference to
> `ieee80211_free_node'
> if_ural.o(.text+0x8da): In function `ural_media_change':
> /usr/src/sys/dev/usb/if_ural.c:673: undefined reference to
> `ieee80211_media_change'
> if_ural.o(.text+0x954): In function `ural_next_scan':
> /usr/src/sys/dev/usb/if_ural.c:699: undefined reference to
> `ieee80211_next_scan'
> if_ural.o(.text+0xabf): In function `ural_task':
> /usr/src/sys/dev/usb/if_ural.c:756: undefined reference to
> `ieee80211_beacon_alloc'
> if_ural.o(.text+0xc1f): In function `ural_txeof':
> /usr/src/sys/dev/usb/if_ural.c:826: undefined reference to
> `ieee80211_free_node'
> if_ural.o(.text+0xd45): In function `ural_rxeof':
> /usr/src/sys/dev/usb/if_ural.c:890: undefined reference to
> `ieee80211_find_rxnode'
> if_ural.o(.text+0xd5b):/usr/src/sys/dev/usb/if_ural.c:893: undefined
> reference to `ieee80211_input'
> if_ural.o(.text+0xd63):/usr/src/sys/dev/usb/if_ural.c:896: undefined
> reference to `ieee80211_free_node'
> if_ural.o(.text+0x130c): In function `ural_tx_data':
> /usr/src/sys/dev/usb/if_ural.c:1218: undefined reference to
> `ieee80211_crypto_encap'
> if_ural.o(.text+0x179c): In function `ural_start':
> /usr/src/sys/dev/usb/if_ural.c:1321: undefined reference to
> `ieee80211_find_txnode'
> if_ural.o(.text+0x17eb):/usr/src/sys/dev/usb/if_ural.c:1328: undefined
> reference to `ieee80211_encap'
> if_ural.o(.text+0x17fa):/usr/src/sys/dev/usb/if_ural.c:1330: undefined
> reference to `ieee80211_free_node'
> if_ural.o(.text+0x1833):/usr/src/sys/dev/usb/if_ural.c:1338: undefined
> reference to `ieee80211_free_node'
> if_ural.o(.text+0x18e8): In function `ural_watchdog':
> /usr/src/sys/dev/usb/if_ural.c:1370: undefined reference to
> `ieee80211_watchdog'
> if_ural.o(.text+0x19c4): In function `ural_ioctl':
> /usr/src/sys/dev/usb/if_ural.c:1417: undefined reference to
> `ieee80211_ioctl'
> if_ural.o(.text+0x1e30): In function `ural_set_chan':
> /usr/src/sys/dev/usb/if_ural.c:1606: undefined reference to
> `ieee80211_chan2ieee'
> if_rue.o(.text+0x833): In function `rue_attach':
> /usr/src/sys/dev/usb/if_rue.c:689: undefined reference to
> `mii_phy_probe'
> if_rue.o(.text+0xc8a): In function `rue_tick':
> /usr/src/sys/dev/usb/if_rue.c:970: undefined reference to `mii_tick'
> if_rue.o(.text+0xfa4): In function `rue_init':
> /usr/src/sys/dev/usb/if_rue.c:1145: undefined reference to
> `mii_mediachg'
> if_rue.o(.text+0x10f6): In function `rue_ifmedia_upd':
> /usr/src/sys/dev/usb/if_rue.c:1210: undefined reference to
> `mii_phy_reset'
> if_rue.o(.text+0x1106):/usr/src/sys/dev/usb/if_rue.c:1212: undefined
> reference to `mii_mediachg'
> if_rue.o(.text+0x1131): In function `rue_ifmedia_sts':
> /usr/src/sys/dev/usb/if_rue.c:1227: undefined reference to
> `mii_pollstat'
> if_rue.o(.data+0x50): In function `rue_read_mem':
> /usr/src/sys/dev/usb/if_rue.c:231: undefined reference to
> `miibus_readreg_desc'
> if_rue.o(.data+0x58):/usr/src/sys/dev/usb/if_rue.c:241: undefined
> reference to `miibus_writereg_desc'
> if_rue.o(.data+0x60):/usr/src/sys/dev/usb/if_rue.c:235: undefined
> reference to `miibus_statchg_desc'
> if_rue.o(.data+0xd4): In function `rue_write_mem':
> /usr/src/sys/dev/usb/if_rue.c:261: undefined reference to
> `miibus_driver'
> if_rue.o(.data+0xd8):/usr/src/sys/dev/usb/if_rue.c:261: undefined
> reference to `miibus_devclass'
> *** Error code 1
>
> Stop in /usr/obj/usr/src/sys/RELENG_6_i686.
> *** Error code 1
>
> Stop in /usr/src.
> *** Error code 1
>
> Stop in /usr/src.
>
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