Gentoo Archives: gentoo-user

From: Hinnerk van Bruinehsen <h.v.bruinehsen@×××××××××.de>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: Please help, kernel can not load root
Date: Sun, 29 Apr 2012 19:52:27
Message-Id: 4F9D9B98.5040701@fu-berlin.de
In Reply to: Re: [gentoo-user] Re: Please help, kernel can not load root by "Ignas Anikevičius"
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4 On 29.04.2012 21:42, Ignas Anikevičius wrote:
5 > On 29 April 2012 19:21, walt <w41ter@×××××.com> wrote:
6 >
7 >> On 04/29/2012 11:35 AM, Ignas Anikevičius wrote:
8 >>> Hello,
9 >>>
10 >>> it's been several since I have tried to make my machine boot
11 >>> again without any live CDs and I could not narrow the main
12 >>> issue down. The problem is that the kernel can not mount the
13 >>> root partition.
14 >>
15 >> The error message is unknown block(2,0), which may mean that
16 >> your kernel lacks a driver for your disk controller. IIRC the
17 >> kernel config menu for block devices has changed. Maybe you need
18 >> to set CONFIG_ATA or some other obscure item in your kernel
19 >> config to make the correct driver visible?
20 >>
21 >
22 > OK, How to find out which controller I am using at the moment
23 > whilst using a live CD? I have successfully chrooted into my system
24 > from a Mint Live CD, so I should be able to inspect my system
25 > either using Mint utilities or the Gentoo ones.
26 >
27 > Thanks, Ignas
28 >
29
30 You could try lspci
31
32 I would recommend to try it from the live cd (because under gentoo you
33 may need to emerge it first - otherwise it doesn't matter).
34
35 Within the output search for something like SATA Controller or PATA
36 Controller. If you can't find a matching driver google for the output
37 of lspce and kernel module.
38 If it's a SATA device in most cases the generic AHCI
39 (CONFIG_SATA_AHCI) seems to work.
40
41 You could also try lsmod though the problem is, that you would need to
42 know the names of possible modules.
43
44
45 WKR
46 Hinnerk
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