DragonFly users List (threaded) for 2006-07
Re: Cannot mount / when booting from disk
On Thu, Jul 27, 2006 at 09:56:21AM -0700, Matthew Dillon wrote:
> :Francois Tigeot wrote:
> :> Hi,
> :> I have recently tried to install Dragonfly-1.6 on a SATA based machine
> :> (Asus A8V-E-SE, VIA 8237 chipset, 74 GB Raptor). Everything went fine
> :> during the installation.
> :> When booting from the hard disk, the kernel is unable to mount /
> :> Here are the most important error messages (recopied by hand, they may not
> :> be completely accurate) :
> :> Mounting root from ufs:/dev/ad4s1a
> :> ad4: cannot find label (no disk label)
> :> ad4s1: cannot find label (no disk label)
> :> Root mount failed: 22
> :Is your kernel recognizing the SATA controller (dmesg)? Are you
> :using the same kernel on the hard disk as on the CD?
The disk is marked as 'UDMA133' in dmesg, but appart from that it seems to
be well recognized.
> The most common problem is with BIOSes which try to automatically
> recognize the operating system and then put the disk in a weird mode
> that prevents the OS from being able to access the disk.
> Go into your BIOS config and push into the hard drive config. See
> if you can select the access mode for the hard drive. e.g. 'auto',
> 'large', 'lba', or 'cha'. Try putting it in 'large' mode (if it has
> that selection), else 'lba' mode.
Thanks, putting the disk in 'large' mode did the trick.
I have now a working installation of Dragonfly, and I must say I am
impressed by this new version. So far, every component of this machine is
What's more, beeing able to parallelize compilations with pkgsrc is great.
Keep up the good work !