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3
votes
2answers
568 views

How do I build a read-only Linux system that only writes to the RAM?

This is my current partition structure: Filesystem 1K-blocks Used Available Use% Mounted on tmpfs 127428 0 127428 0% /lib/init/rw udev ...
2
votes
2answers
567 views

busybox initramfs loop mount

I'm trying to loop mount my root filesystem (a loop file) within a busybox initramfs. I try to run the command: mount /rootfs.raw /root ... which works on my Ubuntu laptop, however, I simply get ...
0
votes
2answers
135 views

Passing execution from initrd to real init and issues with missing devices under /dev/mapper

For Gentoo, I am able to (finally) boot my encrypted system with an initrd and LILO. I used the guide at http://whitehathouston.com/documentation/gentoo/initramfs_howto.htm However it appears that ...
1
vote
1answer
50 views

Correct location of initramfs.cpio file when compiling kernel

I am following this article and generated an initramfs.cpio file. Now the tutorial mentiones that I have to put this file in build directory: Finally, you have to rebuild the kernel again: # 0. ...
1
vote
1answer
94 views

Difference between initramfs.cpio and rootfs.cpio

What are the differnces between the two? Can I just use initramfs.cpio or do I need to use both? Actually my rootfs.cpio file is 7 Mb and initramfs.cpio is just 0.5mb, so I was thinking if I can use ...
0
votes
1answer
75 views

init 0 process is not starting

Yesterday I have encountered one problem, when I turn on my PC it took a long time to boot. After booting it reached to command line with <initramfs> (It is unknown to me what it is) I thought ...
3
votes
0answers
40 views

Minimal Linux with kernel and BusyBox: /etc/inittab is ignored, only /init is executed

I managed to create a small and fully functional live Linux CD which contains only kernel (compiled with default options) and BusyBox (compiled with default options + static, all applets present, ...
3
votes
0answers
393 views

After installing a new Kernel in Ubuntu 14.04, rebooting takes me to busybox initramfs. How do I mount a filesystem after that?

I have a virtual machine with Ubuntu 14.04 in it. I recently built and installed linux-3.14.5 kernel on it, and tried to boot into it, but it drops me to BusyBox v1.21.1 built-in shell. Here's what I ...
3
votes
0answers
85 views

Changing a root file system from initramfs to JFFS2

I am running Linux on an ARM based development board from flash memory. The rootfs is initramfs. I chose this in the configuration utility under "file system". Then I realized that I need ...
2
votes
0answers
91 views

Server won't boot, kernel panic - not syncing

After a reboot of a CentOS 6.2 server we are getting a kernel panic with the following error: Kernel panic - not syncing: Attempted to kill init! Panic occurred, switching back to text console ...
2
votes
0answers
158 views

Why do I need to specify two init images - initrd and boot - inside KVM to boot to bash?

My machine is running inside a KVM virtual machine (Parallels Desktop v8), having a BIOS (not UEFI), having one SATA drive connected, one GPT partition on that disk, the partition is ext4 formatted, ...
2
votes
0answers
289 views

Booting over the LAN using uboot

I am trying to boot my beaglebone over the LAN. I am able to download the Kernel uImage from the TFTP server. Here is what I did - U-Boot SPL 2011.09-00053-gb423c52 (Aug 10 2012 - 11:26:55) Texas ...
1
vote
0answers
131 views

Arch Linux in Qemu : Failed to access perfctr msr error

I got the Arch Linux (march build) iso file through bittorrent lately. I tried to run it in VM, but it only gets up to the main screen (The screen where you select what you want to do) shown below: ...
1
vote
0answers
77 views

Replacing default initramfs with my own

I followed this article to develop my own sample intramfs.cpio Now I have to put this in my kernel and compile. The procedure that I follw for petlinux is that I first run petalinux-config (and ...
1
vote
0answers
27 views

Kiwi produces huge initramfs

I'm using Kiwi to build a boot CD based on OpenSUSE 13.1. I want the disk ISO image to be as tiny as possible. I managed to get the read-only filesystem down to only 100MB, but for reasons unknown, ...
1
vote
0answers
163 views

unionfs filesystem

I recently learned about unionfs and aufs and would like to put it to some real use. The scenario I have in mind is the following. Boot a machine with ubuntu on it which will serve as our base. Make ...
0
votes
0answers
37 views

Change Initramfs script

I made RAID 0 by mdadm'ing partition located on dmraid VIA VT6421 and Western Digital hdd. Installed Ubuntu on that RAID. Now, when I boot, I get (initramfs) ash prompt. There, I have to write mdadm ...