| 1 |
2010/9/10 Jake Moe <jakesaddress@×××××.com>: |
| 2 |
> Hello all, |
| 3 |
> |
| 4 |
> I've been thinking about creating a Gentoo USB stick for install and rescue |
| 5 |
> purposes (and, of course, just to see if I could). I've mostly followed the |
| 6 |
> Gentoo handbook (I used a single 4GB partition for the whole system, and no |
| 7 |
> swap). I've used genkernel for the kernel (so I can have a multi-system |
| 8 |
> capable kernel). I've gotten GRUB installed and working. My problem comes |
| 9 |
> in after what I believe is the init process: |
| 10 |
> |
| 11 |
> |
| 12 |
> Gentoo Linux; http://www.gentoo.org |
| 13 |
> Copyright 1999-2009 Gentoo Foundation; Distributed under the GPLv2 |
| 14 |
> |
| 15 |
> Press I to enter interactive boot mode |
| 16 |
> |
| 17 |
> * Mounting proc at /proc ... [ |
| 18 |
> ok ] |
| 19 |
> * Mounting sysfs at /sys ... [ |
| 20 |
> ok ] |
| 21 |
> * Mounting /dev ... [ |
| 22 |
> ok ] |
| 23 |
> * Starting udevd ... [ |
| 24 |
> ok ] |
| 25 |
> * Populating /dev with existing devices through uevents ... [ |
| 26 |
> ok ] |
| 27 |
> * Waiting for uevents to be processed ... [ |
| 28 |
> ok ] |
| 29 |
> * Mounting devpts at /dev/pts ... [ |
| 30 |
> ok ] |
| 31 |
> * Checking root filesystem ... |
| 32 |
> fsck.ext2: No such file or directory while trying to open /dev/sda1 |
| 33 |
> /dev/sda1: |
| 34 |
> The superblock could not be read or does not describe a correct ext2 |
| 35 |
> filesystem. If the device is valid and it really contains an ext2 |
| 36 |
> filesystem (and not swap or ufs or something else), then the superblock |
| 37 |
> is corrupt, and you might try running e2fsck with an alternate superblock: |
| 38 |
> e2fsck -b 8193 <device> |
| 39 |
> |
| 40 |
> * Filesystem couldn't be fixed :( [ |
| 41 |
> !! ] |
| 42 |
> Give root password for maintenance |
| 43 |
> (or type Control-D to continue): |
| 44 |
> |
| 45 |
> |
| 46 |
> If I give the root password, I can find no /dev/sda1. However, mount shows |
| 47 |
> /dev/sda1 on /, and there *is* a /sys/block/sda folders, with a sda1 folder |
| 48 |
> in that as well. It's almost like it had /dev/sda1, but then lost it |
| 49 |
> somehow. |
| 50 |
> |
| 51 |
> Does anyone have any idea what's going on here? Any help would be |
| 52 |
> appreciated. |
| 53 |
> |
| 54 |
|
| 55 |
Have you seen http://www.sysresccd.org/Main_Page ? It's based on |
| 56 |
Gentoo, you could check what they did to boot from a usb stick. |
| 57 |
|
| 58 |
Br, |
| 59 |
Maciej Grela |
Archives