Date: Wed, 21 Dec 2005 22:15:17 +0800 From: Tony <tony.uestc@gmail.com> To: zhaoyj@qddico.com.cn Cc: hackers@FreeBSD.org Subject: Re: Problem booting FreeBSD from cboot FreeBSD from cdrom using grubdrom using grub Message-ID: <43A96375.80704@gmail.com> In-Reply-To: <01c201c605f3$3a7efb30$1f0aa8c0@qddico> References: <43A8DD54.4000701@gmail.com> <01c201c605f3$3a7efb30$1f0aa8c0@qddico>
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I'm using
FreeBSD 5.4
grub 0.95
Is this what you want?
zhaoyj@qddico.com.cn wrote:
> ??,??????,??????grub??freebsd,???????,
> ??????grub?????ufs2
> ?????fc2,grub????0.94
> ???????????,?????????
> ???????????
>
>
>
> ----- Original Message -----
> From: "Tony" <tony.uestc@gmail.com>
> To: <freebsd-hackers@freebsd.org>
> Cc: <tony.uestc@gmail.com>
> Sent: Wednesday, December 21, 2005 12:43 PM
> Subject: Problem booting FreeBSD from cboot FreeBSD from cdrom using grubdrom using grub
>
>
>
>>Hi,
>> I'm trying to make an iso image that will boot FreeBSD using GRUB boot
>>loader.
>> Grub will boot /boot/loader and the loader will boot /boot/kernel. It
>>goes well on my disk, but when I try to make a livecd, it fails. I spend
>>some time figuring out that /boot/loader does not probe cd it self, it
>>depends on boot2 to tell him which cd to boot from. So I did some hack
>>on /boot/loader. Bellow is the diff:
>>*** sys/boot/i386/loader/main.c.bak Sun Dec 11 19:32:29 2005
>>--- sys/boot/i386/loader/main.c Sun Dec 11 22:04:29 2005
>>***************
>>*** 228,235 ****
>> if ((new_currdev.d_type == biosdisk.dv_type) &&
>> ((new_currdev.d_kind.biosdisk.unit = bd_bios2unit(biosdev)) ==
>>-1)) {
>> printf("Can't work out which disk we are booting from.\n"
>>! "Guessed BIOS device 0x%x not found by probes, defaulting
>>to disk0:\n", biosdev);
>>! new_currdev.d_kind.biosdisk.unit = 0;
>> }
>> env_setenv("currdev", EV_VOLATILE, i386_fmtdev(&new_currdev),
>> i386_setcurrdev, env_nounset);
>>--- 228,238 ----
>> if ((new_currdev.d_type == biosdisk.dv_type) &&
>> ((new_currdev.d_kind.biosdisk.unit = bd_bios2unit(biosdev)) ==
>>-1)) {
>> printf("Can't work out which disk we are booting from.\n"
>>! "Guessed BIOS device 0x%x not found by probes, defaulting
>>to cd0(%d):\n", biosdev, biosdev);
>>! bc_add(biosdev);
>>! new_currdev.d_type = bioscd.dv_type;
>>! new_currdev.d_dev = &bioscd;
>>! new_currdev.d_kind.bioscd.unit = bc_bios2unit(biosdev);
>> }
>> env_setenv("currdev", EV_VOLATILE, i386_fmtdev(&new_currdev),
>> i386_setcurrdev, env_nounset);
>>
>>Then the kernel starts, but when the kernel try to mount the root fs, it
>>stops. I have the follow line in my /etc/fstab
>>/dev/acd0c / cd9660 ro 0 0
>>
>>I am stranded. Can anyone help? I'm using FreeBSD 5.4
>>
>>thanks
>>Tony
>>
>>
>>
>>_______________________________________________
>>freebsd-hackers@freebsd.org mailing list
>>http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
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