Re: Alternative boot method for i386 (Newbie question)

On Wednesday 29 January 2003 22:58, Nick Holland wrote:

> You might be able to strip down a production kernel small enough to

How do I specify which boot partition I want to be mounted as root to the kernel, say, on the install boot cd?

My openbsd MBR partition (0xa6) is the 2nd (starts from 0) on my second disk. (Full listing with netbsd fdisk given at the end of this mail)

Thanks so much,

Unni Krishnan.

Disk: /dev/rwd1d
NetBSD disklabel disk geometry:
cylinders: 16383 heads: 16 sectors/track: 63 (1008 sectors/cylinder)

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BIOS disk geometry:
cylinders: 1024 heads: 255 sectors/track: 63 (16065 sectors/cylinder)

Partition table:
1: sysid 166 (OpenBSD)

    start 62444655, size 5751270 (2808 MB), flag 0x0

        beg: cylinder 1023, head 254, sector 63
        end: cylinder 1023, head 254, sector 63

    start 58380210, size 4064445 (1984 MB), flag 0x80

        beg: cylinder 1023, head 254, sector 63
        end: cylinder 1023, head 254, sector 63

    start 72228240, size 6008310 (2933 MB), flag 0x0

        beg: cylinder 1023, head 254, sector 63
        end: cylinder 1023, head 254, sector 63

    start 8177085, size 50203125 (24513 MB), flag 0x0

        beg: cylinder  509, head   0, sector  1
        end: cylinder 1023, head 254, sector 63
    Extended partition table:
        0: sysid 12 (Primary DOS with 32 bit FAT - LBA)
            start 8177148, size 19984797 (9758 MB), flag 0x0
                beg: cylinder  509, head   1, sector  1
                end: cylinder 1023, head 254, sector 63
        1: sysid 5 (Extended partition)
            start 28161945, size 20000925 (9766 MB), flag 0x0
                beg: cylinder 1023, head 254, sector 63
                end: cylinder 1023, head 254, sector 63
            Extended partition table:
                0: sysid 12 (Primary DOS with 32 bit FAT - LBA)
                    start 28162008, size 20000862 (9766 MB), flag 0x0
                        beg: cylinder 1023, head 254, sector 63
                        end: cylinder 1023, head 254, sector 63
                1: sysid 5 (Extended partition)
                    start 48162870, size 6136830 (2996 MB), flag 0x0
                        beg: cylinder 1023, head 254, sector 63
                        end: cylinder 1023, head 254, sector 63
                    Extended partition table:
                        0: sysid 131 (Linux native)
                            start 48162933, size 6136767 (2996 MB), flag 0x0
                                beg: cylinder 1023, head 254, sector 63
                                end: cylinder 1023, head 254, sector 63
                        1: sysid 5 (Extended partition)
                            start 54299700, size 2040255 (996 MB), flag 0x0
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                                beg: cylinder 1023, head 254, sector 63
                                end: cylinder 1023, head 254, sector 63
                            Extended partition table:
                                0: sysid 131 (Linux native)
                                    start 54299763, size 2040192 (996 MB), 
                                1: sysid 5 (Extended partition)
                                    start 56339955, size 2040255 (996 MB), 
                                    Extended partition table:
                                        0: sysid 131 (Linux native)
                                            start 56340018, size 2040192 (996