Gentoo Archives: gentoo-user

From: walt <w41ter@×××××.com>
To: gentoo-user@l.g.o
Subject: [gentoo-user] Re: kernel configuration problem -- genkernel: no irq handler; manual config: root filesystem could not be mounted r/w
Date: Tue, 22 Jun 2010 13:03:56
Message-Id: hvqbm9$ql3$1@dough.gmane.org
In Reply to: [gentoo-user] Re: kernel configuration problem -- genkernel: no irq handler; manual config: root filesystem could not be mounted r/w by rocwhite168
1 On 06/21/2010 09:46 PM, rocwhite168 wrote:
2 > Walter Dnes<waltdnes<at> waltdnes.org> writes:
3 >
4 >>
5 >> On Mon, Jun 21, 2010 at 02:57:58PM +0800, rocwhite168 wrote
6 >>
7 >>> On the other hand, I'm trying to configure the kernel manually. I
8 >>> did this according to several online tutorials, but it still won't
9 >>> even start up: "Root filesystem could not be mounted read/write." Can
10 >>> anyone please have a look at my configuration? Thank you very much!
11 >>
12 >> One more helpful piece of info; boot from the install CD (or a Knoppix
13 >> Live CD for that matter) and mount a USB stick and run...
14 >>
15 >> lsmod> info.txt
16 >>
17 >> ...and post the contents of info.txt. That will give us an idea of what
18 >> modules are used when the system successfully boots. Also, do you have
19 >> AHCI support enabled?
20 >>
21 >
22 > lsmod from my manually configured kernel
23 > --------------------------------------
24 > Module Size Used by
25 > raid456 45132 0
26 > async_memcpy 1748 1 raid456
27 > async_xor 2844 1 raid456
28 > xor 13952 2 raid456,async_xor
29 > async_tx 2936 3 raid456,async_memcpy,async_xor
30 > raid6_pq 80412 1 raid456
31
32 I recall reading threads about problems caused by putting the root partition
33 on a raid volume, but I've never understood what the problems are. Is that
34 your situation? Maybe someone else can remind us about it.

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