Date: Thu, 15 Mar 2001 07:24:21 +0100 (CET) From: Luigi Rizzo <luigi@info.iet.unipi.it> To: Murray Taylor <mtaylor@bytecraft.com.au> Cc: "'freebsd-small@freebsd.org'" <freebsd-small@FreeBSD.ORG> Subject: Re: PicoBSD Bridge build breaks on 'MFS filesystem signature not foun d in kernel' Message-ID: <200103150624.HAA28372@info.iet.unipi.it> In-Reply-To: <710709BB8B02D311942E006067441810544294@MELEXC01> from Murray Taylor at "Mar 15, 2001 04:16:15 pm"
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You should use a larger MD_ROOT_SIZE such as the 2200kb which was
originally in the kernel config file, not the 1440 that you
have in your example. The mfs overflows and probably the script
does not abort early as it should.
cheers
luigi
> I am attempting to build a picoBSD Bridge using the attached files and it
> breaks at the
> almost last step with the message
>
> 'MFS filesystem signature not found in kernel'
>
> from the write_mfs_in_filesystem.c program
>
> Other environmental conditions ....
> Using 4.2-Stable cvsupped 13/mar/2001
> make world done
> Not yet installed newly rebuilt kernel as system is still being used in
> production
> but have done a 'make' in the kernel build directory OK
>
> I am using
> ./picobsd --floppy_size 1440 -v build
> as the command
>
> and am setting MFS bytes/inode to 4096
> and MFS size to 2000
> via the dialogue box
>
> I have changed all ${TYPE} to $THETYPE} as TYPE was never setup anywhere
> and added the -s labels option to the vnconfig lines
> throughout the picobsd script.
>
> Any suggestions???
>
> Murray Taylor
> Project Engineer
>
> Bytecraft P/L +61 3 9587 2555
> +61 3 9587 1614 fax
> mtaylor@bytecraft.com.au
>
>
> ===== bridge/PICOBSD file ==========
> #
> # $FreeBSD: src/release/picobsd/bridge/PICOBSD,v 1.1.4.3 2001/01/29 22:40:02
> luigi Exp $
> #
> # Line starting with #PicoBSD contains PicoBSD build parameters
> #marker def_sz init MFS_inodes floppy_inodes
> #PicoBSD 1440 init 8192 32768
> options MD_ROOT_SIZE=1440 # same as def_sz
>
> # next to each option there is the approx. space used in the
> # picobsd image.
>
> machine i386
> cpu I386_CPU
> cpu I486_CPU
> cpu I586_CPU
> #cpu I686_CPU
> ident PICOBSD
> maxusers 20
>
> options INET #InterNETworking
> options FFS #Berkeley Fast Filesystem
> options FFS_ROOT #FFS usable as root device [keep
> this!]
> #options BOOTP
> options MFS #Memory Filesystem
> options MD_ROOT #MFS as root
> options COMPAT_43 #Compatible with BSD 4.3 [KEEP
> THIS!]
>
> #options MSDOSFS #MSDOS Filesystem
> #options CD9660 #ISO 9660 Filesystem, 12KB
> #options PROCFS #Process filesystem, 4KB
> options USERCONFIG #boot -c editor, 4KB
> options INTRO_USERCONFIG #imply -c and parse info area
> options VISUAL_USERCONFIG #visual boot -c editor
>
> options IPFIREWALL
> options IPFIREWALL_DEFAULT_TO_ACCEPT
> options IPDIVERT # divert (for natd, 4KB)
> #options DEVFS
> options PCI_QUIET
> # Support for bridging and bandwidth limiting
> options DUMMYNET
> options BRIDGE
> options HZ=1000
> options NMBCLUSTERS=4096
>
> #config kernel root on fd0a
>
> device isa0
> device pci0
>
> device fdc0 at isa? port IO_FD1 irq 6 drq 2
> device fd0 at fdc0 drive 0
>
> #device ata0 at isa? port IO_WD1 irq 14
> #device ata1 at isa? port IO_WD2 irq 15
> #device ata
> #device atadisk
> #device atapicd # 8KB
>
> # atkbdc0 controls both the keyboard and the PS/2 mouse
> device atkbdc0 at isa? port IO_KBD
> device atkbd0 at atkbdc? irq 1
> #device psm0 at atkbdc? irq 12 # 8KB
>
> device vga0 at isa?
>
> # syscons is the default console driver, resembling an SCO console
> device sc0 at isa?
>
> device npx0 at nexus? port IO_NPX irq 13
>
> device sio0 at isa? port IO_COM1 flags 0x10 irq 4
> device sio1 at isa? port IO_COM2 irq 3
>
> # device ppc0 at isa? port? flags 0x40 irq 7
> # device ppbus0
> # device nlpt0 at ppbus?
> # device plip0 at ppbus?
> # device ppi0 at ppbus?
>
> #
> # The following Ethernet NICs are all PCI devices.
> #
> device miibus
> device de0 # DEC/Intel DC21x4x (``Tulip'')
> #device fxp0 # Intel, 4KB
> #device xl0 # 3Com
> #device ep0
> #device rl0 # Realtek 8139, 4KB
> #device dc0 # New Dec/Intel DC21x4x, 8KB
>
> #device ed0 at isa? port 0x280 irq 5 iomem 0xd8000
> #device ed1 at isa? port 0x300 irq 5 iomem 0xd0000
>
> pseudo-device loop
> pseudo-device ether
> pseudo-device tun 2 # 4KB, for ppp
> #pseudo-device vn
> pseudo-device pty 16
> pseudo-device md # memory disk
>
> #options MATH_EMULATE #Support for x87 emulation, 4KB
> pseudo-device bpf 4 # 4KB, for tcpdump
> #options NFS #Network Filesystem
> #options NFS_NOSERVER #Network Filesystem
> options DDB
>
>
> ====== bridge/config file =============
> # configuration for picobsd build script.
> # it should only contain variable definitions -- it is sourced
> # by the shell much like rc.conf* files
>
> MY_DEVS="std tun2 vty10 fd0 ad0 pty0 cuaa0 cuaa1 bpf0 bpf1 bpf2"
>
> ======= bridge/crunch.conf file ========
> #
> # $FreeBSD: src/release/picobsd/bridge/crunch.conf,v 1.1.2.1 2001/02/19
> 23:24:30 luigi Exp $
> #
> # configuration file for "bridge" floppy.
> # Depending on your needs, almost surely you will need to
> # modify your configuration to add/remove/change programs used in
> # the floppy image. Remember that some programs also require
> # matching kernel options to enable device drivers etc.
> #
> # Next to most of the programs i have tried to indicate the approximate
> # space consumed, but beware that these values change from release
> # to release, and might depend on the presence of other programs which
> # share the same libraries.
> #
> # NOTE: the string "/usr/src" will be automatically replaced with the
> # correct value set in 'build' script - you should change it there
>
> # Default build options. Basically tell the Makefiles which understand
> # that to use the most compact possible version of the code.
> #
> buildopts -DNOPAM -DRELEASE_CRUNCH -DNONETGRAPH -DNOIPSEC -DNOINET6
>
> # directories where to look for sources of various binaries.
> srcdirs /usr/src/bin
> srcdirs /usr/src/sbin/i386
> srcdirs /usr/src/sbin
> srcdirs /usr/src/usr.bin
> srcdirs /usr/src/gnu/usr.bin
> srcdirs /usr/src/usr.sbin
> srcdirs /usr/src/libexec
> # Some programs are especially written for PicoBSD and reside here
> srcdirs /usr/src/release/picobsd/tinyware
> #
> # And there are others (mostly ports) which reside in their specific
> # directories. For them, we use the "special" commands to tell
> # crunchgen where to look for sources, objects, which Makefile
> # variables contain the list of sources and objects, and so on.
>
> # init is almost always necessary.
> progs init # 4KB.
> # fsck is almost always necessary, unless you have everything on the
> # image and use 'tar' or something similar to read/write raw blocks
> # from the floppy.
> progs fsck # 24KB.
> # ifconfig is needed if you want to configure interfaces...
> progs ifconfig # 4KB.
> #
> # You will also need a shell and a bunch of utilities.
> # The standard shell is not that large, but you need many
> # external programs. In fact most of them do not take much space
> # as they merely issue a system call, and print the result; the
> # libraries are already needed anyways, so they end up using almost
> # no additional memory.
> # There are a few exceptions such as 'less', which in 4.x is
> # rather large.
> progs sh # 36KB.
> ln sh -sh
> progs echo # 0KB.
> progs pwd
> progs mkdir rmdir
> progs chmod chown
> progs mv ln # 0KB.
> progs mount
> progs minigzip # 0KB.
> ln minigzip gzip
> progs cp # 0KB.
> progs rm
> progs ls
> progs kill
> progs df # 0KB.
> progs ps # 4KB.
> progs ns # 4KB.
> ln ns netstat
> progs vm # 0KB.
> progs cat # 0KB.
> progs test # 0KB.
> ln test [
> progs hostname # 0KB.
> progs login # 4KB.
> progs getty # 4KB.
> progs stty # 4KB.
> progs w # 0KB.
> progs msg # 0KB.
> ln msg dmesg
> progs kget # 0KB.
> progs reboot # 0KB.
> progs less # 36KB
> ln less more
> #progs more # 12KB
> #special more srcdir /usr/ports/picobsd/more
>
> progs sysctl
> progs swapon # 0KB.
> progs pwd_mkdb # 0KB.
> progs dev_mkdb # 0KB.
> progs umount
> progs mount_std
> progs du # 0KB.
> progs tail # 0KB.
> progs tee # 0KB.
> progs passwd # 0KB.
>
> progs route # 8KB
> # progs mount_msdos
> # progs comcontrol
> #
> # If you want to run natd, remember the alias library
> #progs natd # 20KB
> #libs -lalias # natd
> #
> # ppp is rather large. Note that as of Jan.01, RELEASE_CRUNCH
> # makes ppp not use libalias, so you cannot have aliasing.
> #progs ppp # 112KB
>
> # You need an editor. ee is relatively small, though there are
> # smaller ones. vi is much larger.
> # The editor also usually need a curses library.
> progs ee # 32KB.
> libs -lncurses
> # progs vi # ??
> # libs -lcurses # for vi
>
> #progs tcpdump # 100KB.
> #special tcpdump srcdir /usr/src/usr.sbin/tcpdump/tcpdump
>
> progs arp # 0KB.
>
> progs disklabel # 4KB.
> progs fdisk # 4KB.
> progs vnconfig # 0KB.
>
> progs grep # 16KB.
> progs date # 4KB.
> progs mount_nfs # 0KB.
> ln mount_nfs nfs
> progs ping # 4KB.
> #progs routed # 32KB.
> progs ipfw # 12KB.
> progs traceroute # 0KB.
> # progs mount_cd9660 # 4KB.
> # ln mount_cd9660 cd9660
> # progs newfs # 12KB.
> #ln newfs mount_mfs
> ln chown chgrp
> # ln mount_msdos msdos
> ln mount_std procfs
> ln mount_std mount_procfs
>
> # If you need to access the box remotely, and maybe copy files
> # from/to it, you can use telnet, rsh or ssh.
> # inetd is only needed for telnet and rshd
> progs inetd # 12KB.
> progs telnet # 20KB.
> progs telnetd # 12KB.
> #progs ftp # 28KB.
> #progs tar # 32KB.
>
> # Check the ssh license! If you want to use this,
> # go to /usr/ports/security/ssh-picobsd, do a make extract configure
> #progs sshd # includes ssh and scp
> special sshd objvar SSHD_OBJS
> special sshd srcdir /usr/ports/picobsd/ssh-picobsd/work/ssh-1.2.27
> special sshd objdir /usr/ports/picobsd/ssh-picobsd/work/ssh-1.2.27
>
> ### ee uses ncurses instead of curses
> libs -ledit -lutil -lmd -lcrypt -lmp -lgmp -lm -lkvm
> libs -lmytinfo -lipx -lz -lpcap -lwrap
> libs -ltermcap -lgnuregex -ltelnet # -lcurses
>
> ======= bridge/floppy.tree.exclude file ======
> etc/snmpd.conf
> etc/ppp
>
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