Gentoo Archives: gentoo-user

From: Joost Roeleveld <joost@××××××××.org>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: LVM, /usr and really really bad thoughts.
Date: Fri, 16 Mar 2012 06:03:21
Message-Id: 5226862.qPPr92EOYK@eve
In Reply to: Re: [gentoo-user] Re: LVM, /usr and really really bad thoughts. by Neil Bothwick
1 On Thursday, March 15, 2012 01:05:12 PM Neil Bothwick wrote:
2 > On Thu, 15 Mar 2012 08:41:38 -0400, Tanstaafl wrote:
3 > > > That's why I build the initramfs into the kernel and not as a
4 > > > separate
5 > > > file. If I do something to break the initramfs I just boot the
6 > > > previous kernel knowing it will still work.
7 > >
8 > > Ok, time to show my ignorance...
9 > >
10 > > How would I know if I am using an initramfs, and if I was, whether it
11 > > was built into the kernel or not?
12 >
13 > Well, you built the kernel, so you should know.
14 >
15 > Technically, we are all using an initramfs as all 2.6/3 kernels mount an
16 > initramfs when they load. If does not contain an init script, they fall
17 > back to the legacy behaviour.
18 >
19 > See /usr/src/linux/Documentation/filesystems/ramfs-rootfs-initramfs.txt
20
21 Even when the init-options are not set?
22
23 ***
24 admin@hera ~ $ uname -a
25 Linux hera 2.6.34-xen-r4_dom0 #1 SMP Wed Dec 8 15:52:31 CET 2010 x86_64 AMD
26 Phenom(tm) II X4 955 Processor AuthenticAMD GNU/Linux
27
28 admin@hera ~ $ zcat /proc/config.gz | grep -i init
29 CONFIG_INIT_ENV_ARG_LIMIT=32
30 # CONFIG_BLK_DEV_INITRD is not set
31 # CONFIG_SCSI_OSD_INITIATOR is not set
32 CONFIG_DEBUG_MEMORY_INIT=y
33 # CONFIG_PROVIDE_OHCI1394_DMA_INIT is not set
34 ***
35
36 --
37 Joost

Replies

Subject Author
Re: [gentoo-user] Re: LVM, /usr and really really bad thoughts. Neil Bothwick <neil@××××××××××.uk>