Gentoo Archives: gentoo-releng

From: Andrew Gaffney <agaffney@g.o>
To: gentoo-releng@l.g.o
Subject: Re: [gentoo-releng] kexec compiled into kernel
Date: Mon, 28 Jan 2008 16:18:05
Message-Id: 479E0036.2040901@gentoo.org
In Reply to: [gentoo-releng] kexec compiled into kernel by Denys Fedoryshchenko
1 Denys Fedoryshchenko wrote:
2 > Hi
3 >
4 > Is it possible to compile in kernel kexec support? at least for architectures
5 > where it is well supported.
6 >
7 > It is very handy, when Gentoo installed on PC remotely on regular PC, when
8 > people there just boot CD and set ip, and leave location for few days.
9 > It is not possible to eject CD on remote PC, cause on reboot BIOS usually
10 > closing tray. kexec will let to reboot system to newly compiled kernel
11 > without full reboot, avoiding system to boot from CD again. Remote tech's on
12 > location can remove CD later, when it is comfortable for them.
13
14 How is kexec used? Are there commandline utilities for it? Is it triggered
15 through a /proc interface?
16
17 --
18 Andrew Gaffney http://dev.gentoo.org/~agaffney/
19 Gentoo Linux Developer Catalyst/Installer + x86 release coordinator
20 --
21 gentoo-releng@l.g.o mailing list

Replies

Subject Author
Re: [gentoo-releng] kexec compiled into kernel Denys Fedoryshchenko <denys@××××××××.lb>