Gentoo Archives: gentoo-user

From: Galevsky <galevsky@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] New kernel does not boot up on remote host
Date: Sat, 07 Jul 2007 13:23:41
Message-Id: d5cfc3af0707070617p645d577eofda447d45f32cc3d@mail.gmail.com
In Reply to: Re: [gentoo-user] New kernel does not boot up on remote host by Albert Hopkins
1 2007/7/6, Albert Hopkins <marduk@g.o>:
2 > On Fri, 2007-07-06 at 00:44 +0200, Galevsky wrote:
3 > > and my grub.conf:
4 > >
5 > > ### START (grub.conf)
6 > > sd-4421 boot # cat /boot/grub/grub.conf
7 > > # Customized boot procedure
8 > >
9 > > default 0
10 > > timeout 1
11 > > #fallback 1 2
12 > >
13 > > title Gentoo Linux 2.6.16-gentoo_xen_dom0
14 > > root (hd0,0)
15 > > kernel /boot/vmlinuz-2.6-xen ro root=/dev/sda2
16 > >
17 > >
18 > > title Gentoo Linux 2.6.20-r8
19 > > root (hd0,0)
20 > > kernel /boot/vmlinuz-2.6.20-gentoo-r8 ro root=/dev/sda2
21 > >
22 > >
23 > > title Gentoo Linux 2.6.18-r4-dedibox_r6_final
24 > > root (hd0,0)
25 > > kernel /boot/ref/2.6.18-gentoo-r4dedibox_r6_final ro root=/dev/sda2
26 > > ### END (grub.conf)
27 >
28 > Wow, it really does make a difference when we can see the configuration!
29 >
30 > Actually you are not using savedefault like I was assuming. Which
31 > basically means fallback only works when grub fails to load the kernel.
32
33 ya, and that is the behavior I want. I know about the savedefault
34 feature but I doesn't need it in my case.
35
36 > You said you followed the "HOWTO Xen and Gentoo" but looks like you
37 > ignored section 6 on configuring the boot loader. It should look more
38 > like this:
39 >
40 > title Gentoo Linux 2.6.16-gentoo_xen_dom0
41 > root (hd0,0)
42 > kernel /boot/xen.gz dom0_mem=98M
43 > module /boot/vmlinuz-2.6.20-gentoo-r8 ro root=/dev/sda2
44 >
45 > Likely the dom0 kernel is failing because it expects to be run within
46 > the hypervisor. You need to load that first as in the above.
47 >
48 > Hope this helps.
49 >
50
51 True !!!
52
53 Due to lots of changes I made from the start, I forgot in the end the
54 hypervisor itself !!!
55
56 Of course it will help ;o)
57
58 > --
59 > Albert W. Hopkins
60
61 Big *THANKS* to you, and to Dan Farrell too, and sorry for such a
62 mistake... shame on me.
63
64 Gal'
65 --
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