Gentoo Archives: gentoo-user

From: Alexander Kapshuk <alexander.kapshuk@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] kernel bug?
Date: Tue, 15 Jul 2014 15:50:01
Message-Id: 53C54E7F.9030207@gmail.com
In Reply to: Re: [gentoo-user] kernel bug? by Gmail
1 On 07/15/2014 06:38 PM, Gmail wrote:
2 > My /usr partition in on the / partition.
3 >
4 > I just use initrd, i've compiled kernel with genkernel.
5 >
6 > I'm trying to look row for row if there's some diff.
7 >
8 >
9 > Il 15/07/2014 17:34, Alexander Kapshuk ha scritto:
10 >> On 07/14/2014 05:18 PM, Gmail wrote:
11 >>> Hi, i've upgraded kernel from 3.12.13 to 3.12.20.
12 >>> I've make a oldconfig as usual, but with new kernel the boot blocks
13 >>> at the begining to the ramdisk loading.
14 >>> I've tried with other 3.12.2x with the same negative results.
15 >>> I use grub2 with systemd.
16 >>>
17 >> Is your '/usr' partition housed on a filesystem of its own, or does
18 >> it reside on the '/' partition?
19 >>
20 >> http://wiki.gentoo.org/wiki/Initramfs/HOWTO
21 >> "For systems where all necessary files and tools reside on the same
22 >> file system, the |init| application can perfectly control the further
23 >> boot process. But when multiple file systems are defined (or more
24 >> exotic installations are done), this might become a bit more tricky:
25 >>
26 >> * When the /usr partition is on a separate file system, tools and
27 >> drivers that have files stored within /usr cannot be used unless
28 >> /usr is available. If those tools are needed to make /usr
29 >> available, then we cannot boot up the system.
30 >>
31 >> * If the root file system is encrypted, then the Linux kernel will
32 >> not be able to find the |init| application, resulting in an
33 >> unbootable system.
34 >>
35 >> The solution for this problem has since long been to use an /initrd/
36 >> (initial root device)."
37 >>
38 >> Did you run a diff on your 3.12.13/.config and 3.12.13/.config, to
39 >> make sure you didn't overlook anything to do with the systemd-related
40 >> config options?
41 >>
42 >>
43 >
44 Googling for 'gentoo linux kernel gets stuck at ramdisk loading',
45 returned the following gentoo specific results. See if that helps pin
46 down the problem:
47 http://forums.gentoo.org/viewtopic-t-912622-start-0.html
48 http://forums.gentoo.org/viewtopic-p-7552928.html
49 http://forums.gentoo.org/viewtopic-t-989210.html
50 http://forums.gentoo.org/viewtopic-p-7179048.html