В Sun, 20 Jul 2014 07:44:57 +1000
Noel Hunt <noel.h...@gmail.com> пишет:
> I have a FreeBSD 10.0/Solaris 11.1 dual-boot machine. Solaris was
> installed after FreeBSD and since it uses grub by default I am using
> that to boot. Currently I am just invoking /boot/loader from grub.cfg
> in Solaris to boot FreeBSD, but I would like to boot directly. This
> just doesn't work.
>
> I have installed grub2 on FreeBSD via ports, and run `grub-mkconfig'
> to get some entries for grub.cfg which I have simply applied to the
> Solaris installation (via the custom.cfg script).
>
> But, this entry just doesn't work. I have tried running each command
> by hand at the grub CLI with debugging but after all the debug output
> is printed (not revealing anything abnormal) the screen goes black
> and the machine reverts to the normal power-on screen, and the
> boot selection process starts all over again.
>
Just to be sure - you run commands *inside* menuentry { ... }, right?
If you run them exactly as they appear below, it just (re-)defines menu
entry without actually booting anything.
You need to run commands inside of curly braces, followed by
"boot" (which is implicit in case of menu entry processing).
> This is the entry:
>
> menuentry 'FreeBSD, with kFreeBSD kernel' {
> insmod part_gpt
> insmod ufs2
> search --no-floppy --fs-uuid --set=root 53a87fa1e9b6256d
> echo 'Loading kernel of FreeBSD kernel ...'
> kfreebsd /boot/kernel/kernel
> kfreebsd_loadenv /boot/device.hints
> kfreebsd_module_elf /boot/kernel/ufs.ko
> set kFreeBSD.vfs.root.mountfrom=ufs:ufsid/53a87fa1e9b6256d
> set kFreeBSD.vfs.root.mountfrom.options=rw
> }
>
> If I could see what actually happens at the grub `boot' I might be
> able to fix this, but it doesn't look like there are any other debug
> mechanisms for grub apart from `set debug=all'.
>
> I tried to add different flags to the kernel invocation, -v and -d but
> nothing happened. The screen goes black and reverts to a normal
> grub boot menu.
>
> Are there any mechanisms inside grub to get more debugging
> information?
>
> Noel Hunt
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