Re: booting linux from two floppies
Try dropping the noinitrd, and add ro. Also, check the Debian platform
specific install docs, they mention several options that MUST be enabled for
an install kernel, among other things ramdisk support and initrd must be
built in, not modules - check the dox for further details.
On Tuesday 10 December 2002 04:42 pm, Alexander Kotelnikov wrote:
> >>>>> On Tue, 10 Dec 2002 12:16:45 -0800
> >>>>> "NA" == Noah Ackerman <noah@nack.org> wrote:
> NA>
> NA> Are you getting a bunch of device full messages? You may need to
specify a
> NA> larger ramdisk size.
>
> The initrd image is 8Mb, ~700K gzipped. But it does not matter, what
> size it is: kernel does not even try to access the second floppy.
>
> NA> On Tuesday 10 December 2002 08:33 am, Adam C Powell IV wrote:
> >> Hello Sacha,
> >>
> >> My friendly AM (fall, 2000), it's nice to see you. :-)
>
> Hello, Adam, nice to see you too.
>
> >> Alexander Kotelnikov wrote:
> >>
> >> >Hello.
> >> >
> >> >While trying to make debian-installer working on alpha I faced a
> >> >trouble: I need to boot from two floppies, one containing vmlinuz with
> >> >aboot and second with some initrd.img.
> >> >
> >> >I boot kernel with load_ramdisk=1 prompt_ramdisk=1 and variations of
> >> >noinitrd, root=/dev/{fd0,ram} but the boot process fails before or
> >> >after kernel prompt for second floppy.
> >> >
> >> >So the question is, that wrong do I do?
> >> >
> >> The obvious thing to check: does the initrd.img fit onto a single
> >> floppy? A lot of things tend to be bigger on alpha than other platforms.
> >>
> >> Otherwise, what kind of alpha and boot loader are you using? (SRM,
> >> AlphaBios, etc.)
>
> I am using SRM.
>
> I will describe the process below.
>
> *** keyboard not plugged in ...
> ff.fe.fd.fc.fb.fa.f9.f8.f7.f6.f5.CPU 0 speed is 1.67 ns (599MHz)
>
> ef.ee.ed.ec.eb.f4.ea.e9.e8.e7.e6.e5.e4.
> Digital Personal WorkStation 600au Console V6.9-7
> built on Oct 30 1998 at 14:10:45
> >>>b dva0 -fl ''
> (boot dva0.0.0.0.1)
> block 0 of dva0.0.0.0.1 is a valid boot block
> reading 174 blocks from dva0.0.0.0.1
> bootstrap code read in
> base = 1d6000, image_start = 0, image_bytes = 15c00
> initializing HWRPB at 2000
> initializing page table at 1c8000
> initializing machine state
> setting affinity to the primary CPU
> jumping to bootstrap code
> aboot: Linux/Alpha SRM bootloader version 0.9
> aboot: switching to OSF/1 PALcode version 1.22
> aboot: booting from device 'DVA 1 0 0 0 0 0 0'
> aboot: no disklabel found.
> Welcome to aboot 0.9
> Commands:
> h, ? Display this message
> q Halt the system and return to SRM
> p 1-8 Look in partition <num> for configuration/kernel
> l List preconfigured kernels
> d <dir> List directory <dir> in current filesystem
> b <file> <args> Boot kernel in <file> (- for raw boot)
> i <file> Use <file> as initial ramdisk
> with arguments <args>
> 0-9 Boot preconfiguration 0-9 (list with 'l')
> aboot> l
> 0:1/boot/vmlinuz noinitrd prompt_ramdisk=1 load_ramdisk=1 root=/dev/fd0
ramdisk_
> size=8192
> 1:1/boot/vmlinuz noinitrd prompt_ramdisk=1 load_ramdisk=1 root=/dev/fd0
ramdisk_
> size=8192 console=ttyS0,9600n8
> aboot> 1
> aboot: loading uncompressed boot/vmlinuz...
> aboot: loading compressed boot/vmlinuz...
> aboot: zero-filling 499656 bytes at 0xfffffc0000a32ba8
> aboot: starting kernel boot/vmlinuz with arguments noinitrd
prompt_ramdisk=1 load_ramdisk=1 root=/dev/fd0 ramdisk_size=8192
console=ttyS0,9600n8
> Linux version 2.4.19-generic (herbert@gondolin) (gcc version 3.2 (Debian))
#3 Wed Oct 16 07:26:18 EST 2002
> Booting GENERIC on Miata using machine vector Miata from SRM
> Command line: noinitrd prompt_ramdisk=1 load_ramdisk=1 root=/dev/fd0
ramdisk_size=8192 console=ttyS0,9600n8
> memcluster 0, usage 1, start 0, end 235
> memcluster 1, usage 0, start 235, end 65535
> memcluster 2, usage 1, start 65535, end 65536
> freeing pages 235:1024
> freeing pages 1369:65535
> reserving pages 1369:1370
> pci: cia revision 1 (pyxis)
> On node 0 totalpages: 65535
> zone(0): 65535 pages.
> zone(1): 0 pages.
> zone(2): 0 pages.
> Kernel command line: noinitrd prompt_ramdisk=1 load_ramdisk=1 root=/dev/fd0
ramdisk_size=8192 console=ttyS0,9600n8
> Using epoch = 2000
> Console: colour VGA+ 80x25
> Calibrating delay loop... 1187.96 BogoMIPS
> Memory: 513960k/524280k available (1421k kernel code, 8440k reserved, 522k
data, 168k init)
> Dentry cache hash table entries: 65536 (order: 7, 1048576 bytes)
> Inode cache hash table entries: 32768 (order: 6, 524288 bytes)
> Mount-cache hash table entries: 8192 (order: 4, 131072 bytes)
> Buffer-cache hash table entries: 32768 (order: 5, 262144 bytes)
> Page-cache hash table entries: 65536 (order: 6, 524288 bytes)
> POSIX conformance testing by UNIFIX
> pci: passed tb register update test
> pci: passed sg loopback i/o read test
> pci: passed pte write cache snoop test
> pci: failed valid tag invalid pte reload test (mcheck; workaround available)
> pci: passed pci machine check test
> pci: tbia workaround enabled
> SMC37c669 Super I/O Controller found @ 0x370
> Linux NET4.0 for Linux 2.4
> Based upon Swansea University Computer Society NET3.039
> Initializing RT netlink socket
> Starting kswapd
> VFS: Diskquotas version dquot_6.4.0 initialized
> devfs: v1.12a (20020514) Richard Gooch (rgooch@atnf.csiro.au)
> devfs: boot_options: 0x0
> initialize_kbd: Keyboard reset failed, no ACK
> keyboard: Timeout - AT keyboard not present?(ed)
> keyboard: Timeout - AT keyboard not present?(f4)
> pty: 256 Unix98 ptys configured
> Serial driver version 5.05c (2001-07-08) with HUB-6 MANY_PORTS MULTIPORT
SHARE_IRQ SERIAL_PCI enabled
> ttyS00 at 0x03f8 (irq = 4) is a 16550A
> ttyS01 at 0x02f8 (irq = 3) is a 16550A
> RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
> Cronyx Ltd, Synchronous PPP and CISCO HDLC (c) 1994
> Linux port (c) 1998 Building Number Three Ltd & Jan "Yenya" Kasprzak.
> IP Protocols: ICMP, UDP, TCP, IGMP
> IP: routing cache hash table of 8192 buckets, 64Kbytes
> TCP: Hash tables configured (established 65536 bind 65536)
> Linux IP multicast router 0.06 plus PIM-SM
> VFS: Insert root floppy disk to be loaded into RAM disk and press ENTER
>
> VFS: Cannot open root device "fd0" or 02:00
> Please append a correct "root=" boot option
> Kernel panic: VFS: Unable to mount root fs on 02:00
>
> The boot disk was created from debian-installer kernel:
> $ cd debian-installer/build
> $ KERNELVERSION='2.4.19-generic' sudo make build
> $ mke2fs /dev/fd0
> $ sudo ~/k2dva tmp/net/boot/vmlinuz
>
> k2dva is a simple script:
> #!/bin/sh
> set -e
> e2writeboot /dev/fd0 /boot/bootlx
> mount /floppy
> mkdir /floppy/boot /floppy/etc
> cp $1 /floppy/boot/vmlinuz
> cat > /floppy/etc/aboot.conf <<EOF
> 0:1/boot/vmlinuz noinitrd prompt_ramdisk=1 load_ramdisk=1 root=/dev/fd0
ramdisk_size=8192
> 1:1/boot/vmlinuz noinitrd prompt_ramdisk=1 load_ramdisk=1 root=/dev/fd0
ramdisk_size=8192 console=ttyS0,9600n8
> EOF
> umount /floppy
>
>
> --
> Alexander Kotelnikov
> Saint-Petersburg, Russia
>
>
> --
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