[PC-BSD Testing] GRUBing around Multi-OS coexistence?
pcfxer at rogers.com
Thu Nov 27 07:32:54 PST 2008
> On 27.11.2008 9:06, Walt Pawley wrote:
>> At 7:18 AM +0200 11/27/08, A.Yerenkow wrote:
>>> On 27.11.2008 6:10, Walt Pawley wrote:
>>>> Ubuntu apparently installs some version of GRUB perforce.
>>>> I was able to make enough sense of
>>>> the GRUB documentation to boot the first FreeBSD partition
>>>> successfully (hd0,1,a). Great.
>>>> At least it was until I attempted to boot the PC-BSD partition
>>>> (hd0,2,a). GRUB complains that it can't mount the partition
>>> Did you have partition magik or something similar to create /boot in old
>>> I think it's common case:
>>> Or you could try this:
>> As is typical for me these days, I still don't know why it's
>> doing what it's doing but I've managed to get it working.
>> I was able to get the FreeBSD 7 partition to boot with
>> root (hd0,1,a)
>> kernel /boot/loader
>> as is recommended in quite a number of places. But this did not
>> work for the PC-BSD 7.0.1 partition with (hd0,1,a) replaced by
>> (hd0,2,a), like I believe it should have. After reading a bit
>> from the above link, which didn't really tell me anything I
>> hadn't already stumbled through (or so it seemed), I tried a
>> desperation alternative. To wit:
>> rootnoverify (hd0,2)
>> chainloader +1
>> I guess if one method doesn't work, the other one may, even on
>> what is basically the same OS on two different partitions of
>> the same drive. Curious.
> same OS not always same FS :)
> Glad it works :)
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From what I remember, only one "slice" can be marked as active hence
the a moniker. This would be akin to setting a partition as "bootable"
in OSes by the other guys ;). I'm glad you got it working, I'm a fan of
OS X too :p.
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