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Re: [FUG-BR] Curiosidade: Grub Inicializar FreeBSD

From: "Alan" <unipoarsbr@xxxxxxxxxxxx>
To: "Alan" <unipoarsbr@xxxxxxxxxxxx>, Lista Brasileira de Discussão sobre FreeBSD (FUG-BR) <freebsd@xxxxxxxxxx>
Subject: Re: [FUG-BR] Curiosidade: Grub Inicializar FreeBSD
Date: Wed, 13 Jan 2010 12:51:02 -0300
No manual do Grub está como exemplo somente root (hd0,a).

4.2.3 FreeBSD

GRUB can load the kernel directly, either in ELF or a.out format. But this is not recommended, since FreeBSD's bootstrap interface sometimes changes heavily, so GRUB can't guarantee to pass kernel parameters correctly.

Thus, we'd recommend loading the very flexible loader /boot/loader instead. See this example:

grub> root (hd0,a)
grub> kernel /boot/loader
grub> boot

11.1 How to specify devices

The device syntax is like this:


`[]' means the parameter is optional. device should be either `fd' or `hd' followed by a digit, like `fd0'. But you can also set device to a hexadecimal or a decimal number which is a BIOS drive number, so the following are equivalent:


part-num represents the partition number of device, starting from zero for primary partitions and from four for extended partitions, and bsd-subpart-letter represents the BSD disklabel subpartition, such as `a' or `e'.

A shortcut for specifying BSD subpartitions is (device,bsd-subpart-letter), in this case, GRUB searches for the first PC partition containing a BSD disklabel, then finds the subpartition bsd-subpart-letter. Here is an example:


algum ponto em particular (inicia e para, não inicia..)??

Veja o erro exato:

root (hd0,2,a)
  Filesystem type unknown, partition type 0xa5
  kernel /boot/loader
  Error 17: Cannot mount selected partition

Celso Vianna
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