More news :
1) Boot from the livecd pcbsd
- Like I remember, pcbsd shows me only the first four partitions in the
installation wizard. That's correspond to the partitions which are
synchronised from the gpt by refit.
- When I boot to emergency mode, I am able to access to all my
and a "gpt show ad0" works fine. But, still from the emergency mode, I chroot
in my pcbsd root partition, I can't see the gpt anymore. Pretty weird...
2) New kernel
Like I said, I recompile a kernel from the generic with two more lines :
When I booted on it, I had a problem : ad0 became ad5. So the mountroot asked
me to enter the name of my root partition and Miracle ! it show me ALL my gpt
partitions, include my Home in ext2.
Then I enter "ad5s4a" which is my pcbsd root partition.
After the boot, I thought all was fixed but no, I still can only see the 4
first partitions in the /dev and "gpt show ad5" still returns an error.
It's pretty weird because before the mount of the root partition, i was able
to see all my gpt partitions, then after, the problem remains.
I don't enough know the freebsd boot process to understand by myself. Any
> Thank you for help. I provide you the maximum information about my
> Before, I watch the kernel configuration. When I fetch the kernel
> sources, I can see 2 differents configuration files : DEFAULTS and
> GENERIC. and the line : "options GEOM_PART_GPT" is present
> only in GENERIC. If I use my knowledge in linux systems, I would say
> that my actual kernel was compiled with the DEFAULTS conf, which
> doesn't enable the support of GPT for GEOM. Maybe I'm wrong, my knew
> kernel is compiling...
> On Freebsd :
> [EMAIL PROTECTED] /usr/home/Dante]$ ls /dev/|grep ^ad
> my dmesg :
> On Gentoo :
> [EMAIL PROTECTED]:~ % LANG=C sudo parted /dev/sda
> GNU Parted 1.8.8
> Using /dev/sda
> Welcome to GNU Parted! Type 'help' to view a list of commands.
> (parted) p
> Model: ATA ST9200420ASG (scsi)
> Disk /dev/sda: 200GB
> Sector size (logical/physical): 512B/512B
> Partition Table: gpt
> Number Start End Size File system Name Flags
> 1 20.5kB 210MB 210MB fat32 EFI System Partition boot
> 2 210MB 19.4GB 19.2GB hfs+ MacOSX
> 3 19.4GB 19.6GB 206MB ext2
> 4 19.6GB 39.5GB 19.9GB
> 6 39.5GB 42.7GB 3142MB linux-swap
> 5 42.7GB 58.4GB 15.7GB ext3 Gentoo
> 7 58.4GB 74.1GB 15.7GB ext3
> 9 89.9GB 200GB 110GB ext3
> The 4 is my ufs partition. UFS is not recognize on my gentoo system.
> The partition 7 is my home, the one that I want to mount under
> Again, thank you for your help
> 2008/10/29 John Baldwin <[EMAIL PROTECTED]>:
> > On Wednesday 29 October 2008 11:52:19 am Franck Royer wrote:
> >> John Baldwin a écrit :
> >> > On Wednesday 29 October 2008 07:42:18 am Lowell Gilbert wrote:
> >> >> Franck Royer <[EMAIL PROTECTED]> writes:
> >> >>> Can I oblige pcbsd to look the gpt table instead of the msdos one ?
> >> >>> How can I access to my fifth partition ?
> >> >>
> >> >> John Baldwin (jhb) has been working on GPT support, but it's still
> >> >> reported to be a work in progress. It works as far as recognizing
> >> >> disks over 16TB. It also gets picked up by the geom framework. I'm
> >> >> not sure about booting, although there are tantalizing hints in the
> >> >> manual pages.
> >> >
> >> > GPT booting works just fine on 6.x and later. Using the gpt(8)
> >> > utility
> > you
> >> > basically do:
> >> >
> >> > # gpt create foo0
> >> > # gpt boot foo0
> >> >
> >> > The second command creates a special boot partition in /dev/foo0p1.
> >> > You
> > can
> >> > then add partitions:
> >> >
> >> > # gpt add -t ufs <other params like size if needed> foo0
> >> > # newfs /dev/foo0p2
> >> >
> >> > gpart(8) in HEAD works similarly. The one thing lacking is that
> >> > sysinstall/libdisk doesn't handle GPT, so there isn't a nice way to do
> >> > it during installation.
> >> Ok thank you. But actually, it's not what I'm looking for.
> >> I use freebsd on a macbook. On this macbook, I already have a gpt,
> >> refit, mac os x and some linux partitions. The problem is freebsd, which
> >> doesn't recognize partitions after the fourth one (but my gentoo linux
> >> see them).
> >> Then, I suppose freebsd use the mbr partition table (synchronized from
> >> the gpt one using refit) to populate the /dev, but partitions after the
> >> fourth, which are those I want to use, are only indexed in the gpt.
> >> Finally, I want to force freebsd to use the gpt on my hard drive to
> >> allow it to see others partitions.
> >> I don't want to destroy my actual gpt, maybe one day, but no right now.
> >> Tell me if my english is too bad to be understood.
> >> I just want to precise that I use pcvbsd 7.0, so the kernel
> >> configuration might be different than the freebsd generic one.
> > What device entries do you see in /dev?
> > --
> > John Baldwin
> Franck Royer
> Student of Manchester University
> Etudiant Ingénieur de l'ENSIIE (Ecole Nationale Supérieure
> d'Informatique pour l'Industrie et l'Entreprise)
> e-mail/jabber: [EMAIL PROTECTED]
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