* Re: [gentoo-user] cannot open root device "sda3"
@ 2010-01-21 19:05 99% ` Alan McKinnon
0 siblings, 0 replies; 1+ results
From: Alan McKinnon @ 2010-01-21 19:05 UTC (permalink / raw
To: gentoo-user
On Thursday 21 January 2010 20:08:53 Valmor de Almeida wrote:
> Hello,
>
> I am trying to boot gentoo from an external USB HDD. I am getting the
> error message:
>
> VFS: Cannot open root device "sda3" or unknown-block(2,0)
> Please append a correct "root=" boot option; here are the available
> partitions:
> Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(2,0)
This almost always means that you don't have a required module compiled into
the kernel and are not using an initrd.
Common modules are the motherboard chipset and the fs on the disk
>
> I am assuming that the device will be named /dev/sda since there is no
> other HDD on the system. The message above does not list any available
> partitions.
> Any thoughts?
>
> Here is the info from fdisk on this drive (it is a new 4096-byte sector
> drive):
>
> Disk /dev/sdb: 240.1 GB, 240057409536
> 255 heads, 63 sectors/track, 29185 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Disk identifier: 0x0c7786a9
>
> Device Boot Start End Blocks Id System
> /dev/sdb1 * 1 26 208813+ 83 Linux
> /dev/sdb2 27 158 1060290 82 Linux
> swap / Solaris
> /dev/sdb3 159 2117 15735667+ 83 Linux
> /dev/sdb4 2118 29185 217423710 8e Linux LVM
>
> Thanks,
>
> --
> Valmor
>
--
alan dot mckinnon at gmail dot com
^ permalink raw reply [relevance 99%]
Results 1-1 of 1 | reverse | options above
-- pct% links below jump to the message on this page, permalinks otherwise --
2010-01-21 18:08 [gentoo-user] cannot open root device "sda3" Valmor de Almeida
2010-01-21 19:05 99% ` Alan McKinnon
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox