Gentoo Archives: gentoo-user

From: Dale <rdalek1967@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] /dev/rtc => rtc0
Date: Sat, 31 Jan 2009 22:44:33
Message-Id: 4984D42E.5090306@gmail.com
In Reply to: [gentoo-user] /dev/rtc => rtc0 by Mark Knecht
1 Mark Knecht wrote:
2 > Hi,
3 > I know nothing of this part of the Linux boot process. If it's
4 > *fairly* simple can someone point me at the right stuff to understand
5 > how Gentoo creates a link from /dev/rtc to rtc0? When in the boot
6 > process does this link become valid?
7 >
8 > Is it something that's held in a file and recreated from that file
9 > on each boot? Is it created automagically by Gentoo Angels that look
10 > after my well being but seldom reveal themselves? Is it created by the
11 > kernel itself when something is specifically configured to do so?
12 > Something else?
13 >
14 > Thanks,
15 > Mark
16 >
17 > lightning src # uname -a
18 > Linux lightning 2.6.27-gentoo-r8 #6 Fri Jan 30 18:55:56 PST 2009
19 > x86_64 AMD Athlon(tm) 64 Processor 3000+ AuthenticAMD GNU/Linux
20 > lightning src # ls -al /dev/rtc*
21 > lrwxrwxrwx 1 root root 4 2009-01-30 10:58 /dev/rtc -> rtc0
22 > crw-r--r-- 1 root root 254, 0 2009-01-30 10:58 /dev/rtc0
23 > lightning src #
24 >
25 >
26 >
27
28 From my understanding udev creates all the "stuff" in /dev. You can
29 change the rules that it uses to make them tho. I think there is
30 documentation on gentoo.org to help with that. So far, mine has worked
31 well enough. Lucky I guess.
32
33 That help?
34
35 Dale
36
37 :-) :-)

Replies

Subject Author
Re: [gentoo-user] /dev/rtc => rtc0 Mark Knecht <markknecht@×××××.com>