Gentoo Archives: gentoo-user

From: Neil Bothwick <neil@××××××××××.uk>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Can't boot btrfs
Date: Fri, 31 Jul 2015 09:49:57
Message-Id: 20150731104933.232c0431@digimed.co.uk
In Reply to: [gentoo-user] Can't boot btrfs by Peter Humphrey
1 On Fri, 31 Jul 2015 10:35:46 +0100, Peter Humphrey wrote:
2
3 > $ grep -i btrfs /usr/src/linux/.config
4 > CONFIG_BTRFS_FS=y
5 > CONFIG_BTRFS_FS_POSIX_ACL=y
6 > # CONFIG_BTRFS_FS_CHECK_INTEGRITY is not set
7 > # CONFIG_BTRFS_FS_RUN_SANITY_TESTS is not set
8 > # CONFIG_BTRFS_DEBUG is not set
9 > # CONFIG_BTRFS_ASSERT is not set
10 >
11 > The relevant grub.cfg entries (I've moved to grub-2) are:
12 >
13 > menuentry 'Gentoo Linux 4.0.5, no network' {
14 > linux /boot/kernel-x86_64-4.0.5-gentoo root=/dev/sda3
15 > softlevel=nonet net.ifnames=0 irqpoll
16 > }
17 > menuentry 'Rescue System 4.0.5' {
18 > linux /boot/kernel-x86_64-4.0.5-gentoo-rescue root=/dev/sda2
19 > net.ifnames=0 irqpoll
20 > }
21
22 Btrfs needs to scan the build the array, which is normally done from an
23 initramfs. As you are not using one, you need to specify both devices
24 using the device= syntax posted in the Hubris thread.
25
26
27 --
28 Neil Bothwick
29
30 Unsupported service (adj): Broken (see Demon)