[gentoo-user] Re: Please help, kernel can not load root

["Ignas Anikevičius" <anikevicius@gmail.com>]

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On 29 April 2012 18:35, Ignas Anikevičius <anikevicius@gmail.com> wrote:

> Hello,
>
> it's been several since I have tried to make my machine boot again without
> any live CDs and I could not narrow the main issue down. The problem is
> that the kernel can not mount the root partition.
>
> Some info about my system:
> running ~amd64
> kernel: gentoo-sources-3.3.3
> bootloader: grub2-9999 (grub.cfg generated with grub2-mkconfig -o
> /boot/grub2/grub.cfg)
> root partition is ext4, but ext4 is built into kernel
> I have a separate /boot partition
>
> my grub.cfg can be found here:
> http://pastebin.com/nm6HCkpM
>
> I have written down some log messages from the last boot. Sorry if
> something is not 100% accurate as I took a crappy picture with my phone and
> tried to rewrite everything:
> http://pastebin.com/0zQN6X5t
>
> I would very appreciate someones help.
>
> Thanks,
> Ignas A.
>

Hello to everybody once more. I gave it ago and installed drivers for all
storage related controllers, but nothing has changed. As I understand, the
hdd is recognized, so I do not know where to look now.

The log can be see in this image:
http://s10.postimage.org/hieljd661/29042012017.jpg

I tried to rewrite it here:
======================================================================
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: ACPI cmd ...
...
ata1.00: configured for UDMA/133
scsi 0:0:0:0: Direct-Access ATA WDC WD3200...
...
ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata2.00: ACPI cmd ...
ata2.00: ATAPI: Optiarc DVD RW AD-...
..
ata2.00: configured for UDMA/100
scsi 1:0:0:0: CD-ROM
registered taskstats version 1
    Magic number...
pci_link ... : hash matches
console ... enabled
netconsole: network logging started
Root-NFS: no NFS server address
VFS: Unable to mount root fs via NFS, trying floppy
VFS: Cannot open root device "sda7" 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)
Pid: 1, comm: swapper/0 Not tainted 3.3.3-gentoo #7
Call Trace:
    ... panic
    ... ? printk
    ... mount_block_root
    ... mount_root
    ... prepare_namespace
    ... kernel_init
    ... kernel_thread
    ... ? start_kernel
    ... ? gs_change
panic occured, switching back to text console
==========================================================================

Thanks,
Ignas

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