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DragonFly users List (threaded) for 2011-11
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Re: partition invalid or corrupt (solved)

From: william opensource4you <william.os4y@xxxxxxxxx>
Date: Sun, 13 Nov 2011 07:38:10 +0000

I've found the answer to my own question :-).

In fact Grub sounds to not be able to mount the UFS of Dragonfly ;-(.
So, I must ask Grub to forward the control to an another bootloader.

I've solved by doing this:
- I install DFbsd on the partition 2 of my second disk WITH the
bootloader (on disk2)
- in Grub, I put the following config:
      title DragonFlyBSD
      rootnoverify (hd1)
      chainbootloader +1

Not yet tested, but this should work even if DF is running on Hammer


On Sat, Nov 12, 2011 at 12:20 PM, william opensource4you
<william.os4y@gmail.com> wrote:
> Just for info ...
> I've a strange problem with Grub.
> Indeed, when I unplug the disk1 (netbsd, freebsd and fedora) from my
> motherboard, I can boot with DFbsd from disk2.
> It sounds that the problem is coming from Grub and his ability to see
> the DFbsd partition.
> I'm running on an AMD 64 bit, but Fedora (managing grub) is a 32bit
> installation. Does this could be the cause ?
> Then why I've never had issues with other BSD systems ?
> I've downloaded the DFbsd32 bit!
> I'm continuing investigation :-(
> Any indea are welcome ;-)
> W
> On Fri, Nov 11, 2011 at 6:36 AM, william opensource4you
> <william.os4y@gmail.com> wrote:
>> Hi,
>> I'm willing to give a try to dragonfly, but grub does not boot it ;-(
>> I have 2 disks: Disk 1 contains netbsd and freebsd on primary
>> partitions (p1, p2) and Linux on secondary partition (p5). Disk 2 has
>> pcbsd on primary partition (p1), and I've prepared a 15GB partition
>> (p2) for dfbsd..
>> I'm using an iso of dfbsd 2.10.1 and follow the installation
>> procedure. I'm selecting ufs for this partition and.skip the
>> installation.of boot0cfg.
>> All rest is going well.
>> In my grub (managed by my linux: last fedora) I've put (same as for
>> netbsd and freebsd):
>> Root (hd1,1,a)
>> Makeactive
>> Chainloader +1
>> But, when booting, i receive a message saying "partition table invalid
>> or corrupted "
>> I cannot mount my dfbsd neither from Linux, neither from netbsd nor
>> freebsd. But by rebooting with the dfbsd cdrom, i can mount my
>> partition 2 of the disk 2 !!!
>> Does it means that the partition is good ?
>> I've rerun the grub-install. But this has no effect.
>> Within the dfbsd mailing list i see that several persons are using
>> grub too without problems.
>> Does someone can guide me ?
>> Why does grub see correctly my freebsd and netbsd partitions, even
>> pcbsd one, and not dfbsd?
>> Thanks for.your.advice
>> William

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