The tag has no usage guidance.

learn more… | top users | synonyms

4
votes
3answers
1k views

Unlock LUKS encrypted Debian root with key file on boot partition

I'm trying to decrypt the Debian root with a key file stored in the boot partition (decrypted partition). This will break the security, but it doesn't matter now. I have to conclude this successfully ...
0
votes
2answers
221 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 ...
4
votes
1answer
9k 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: ...
3
votes
1answer
74 views

How to debug systemd “init” freeze during boot?

I'm trying to get my own init script running on some ARM hardware and Debian Jessie with systemd. The overall boot concept and init script is almost identical to a x86 variant, which works fine. For ...
2
votes
1answer
176 views

Relative path to anything not working (while running from initramfs)

I'm working in an embedded Linux system trying to get it booting its root file system in ram using initramfs. The system comes up for the most part but then has trouble in the init scripts. I've ...
1
vote
1answer
63 views

debian jessie volume group not found and cant boot

I have accidentally deleted my boot partition. OS is Debian Jessie with LUKS LVM. I have created a new partition and successfully reinstalled grub with chroot method. Now when I try to boot, my root ...
1
vote
1answer
252 views

Unpacking of initramfs is very slow

I am trying to improve the kernel boot time of my device and I would like some help. I am using OMAPL138 with kernel version 2.6.37 and it takes about 50 seconds until the boot process is finished, ...
1
vote
1answer
410 views

Where isoboot, boot=isolinux iso-scan/filename parameters are documented?

I see example (in dracut docs) linux (loop)/isolinux/vmlinuz0 boot=isolinux iso-scan/filename=$isofile root=live:LABEL=$isolabel ro rd.live.image these texts: ...
1
vote
1answer
114 views

extract Embedded initramfs

I have a kernel in which one initramfs is embedded. I want to extract it. I got the output x86 boot sector when I do file bzImage I have System.map file for this kernel image. Is there any way to ...
1
vote
1answer
298 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. ...
0
votes
1answer
93 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
245 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
68 views

How to boot Linux Mint from USB drive via Grub2

I am trying to install Linux Mint Cinnamon 64 bit on a USB drive so I have a portable desktop wit persistence. I am trying to do this manually because I haven't fount a program that does this ...
2
votes
0answers
31 views

How do I prevent the kernel from pivoting and overwriting the initial file system?

How do I prevent the kernel from pivoting and overwriting the initial file system? What switches do I pass to the kernel? Do I need to add any code to the initramfs? I cross-compiled busybox and ...
2
votes
0answers
193 views

How do I add modules, binaries or scripts to initramfs in RHEL distributions?

I have an initramfs script I developed for Debian distributions that required some extra binaries to be loaded into the image. I'm now trying to port this to RHEL distributions and I'm struggling. To ...
2
votes
0answers
360 views

Unable to boot with dracut and luks: '/dev/resume' : file exists

I am installing gentoo and have performed my first reboot after configuration and installation within my chroot environment. I am using LUKS and LVM to manage encryption of my drives. I am encrypting ...
2
votes
0answers
525 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
658 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
570 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
18 views

update-initramfs failing after upgrading to stretch from jessie

I recently updated one of my Debian boxes to run with stretch, but unfortunately I run in an issue when it comes to the regeneration of the initramfs image. It seems that it doesn't recognize that I ...
1
vote
0answers
56 views

Mounting real rootfs after initial booting using initrd

I'm booting kernel with root=/dev/ram0 on a embedded environment. After initial booting, how can I mount real rootfs present at /dev/mtd3 and make it as the only rootfs. I'm using root=/dev/ram0 ...
1
vote
0answers
18 views

dracut md5sum boot directory

This has been going on for a few months now, but my initramfs (and kernel) for that matter have been placed in /boot/{some hash}/{kernel version}/{initramfs,linux}. Did dracut or some other module ...
1
vote
0answers
145 views

Disable KMS on Debian Sid

I've recently started having trouble resuming my Sid laptop from suspend. I'm not sure if this was caused by an upgrade or by me tinkering to try and get a splash screen working, but anyway, I have my ...
1
vote
0answers
44 views

Chainload Windows from initramfs

Is there any way to chainload Windows from/within initramfs ? I am having grub on MBR. An entry in grub.conf, Will boot into the initramfs, execute some task and then boot into the windows (of-course ...
1
vote
0answers
437 views

module scsi_wait_scan not found on CentOS kernel-ml causes kernel panic on boot

I am attempting to upgrade from kernel-lt to kernel-ml, following the instructions here, however on boot the console is flooded with module "scsi_wait_scan" not found This leads to a general kernel ...
1
vote
0answers
36 views

Kernel compilation for minimum program execution

Compiling the Kernel requires me to configure modules. I am unsure how to configure a Kernel which only supports following things: Programs compiled with gcc on other machines (glibc). I want to run ...
1
vote
0answers
92 views

How to abort/cancel a running command in initramfs?

When I invoke a long-running command, e.g. du, I don't see a way to abort/cancel it (Strg/Ctrl+c doesn't work), other shells/ttys aren't available. Am I completely doomed after having started a long ...
1
vote
0answers
266 views

How to regenerate an initramfs with ash built-in shell?

I foolishly edited my /etc/mkinitcpio.conf and now my computer won't boot. It drops down to (initramfs). It claims it cannot find the root device. However, cat /proc/cmdline shows the correct UUID of ...
1
vote
0answers
114 views

MDADM Array Detection Slowing Down Boot - Why?

I have an AMD64 Gentoo (running systemd) build with a RAID0 root and some other arrays (RAID1 boot, RAID1 home etc..). The boot process is being slowed down quite dramatically as mdadm searches the ...
1
vote
0answers
167 views

How can I replace root / filesystem with another filesystem?

When the Linux kernel starts up, it uses initrd as the root / filesystem, then replaces that with a filesystem partition in fstab. Based on a test in an early init script, I want to replace that root ...
1
vote
0answers
425 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
57 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
274 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
19 views

Need a hint about system's verbiage at bootup

I've got a dual boot W10/Ubuntu 14.04 laptop. I use GRUB2 as a boot loader. In the BIOS I chose "Legacy BIOS" option (the laptop was purchased with EUFI enabled system and W8 OEM). I don't know, maybe ...
0
votes
0answers
22 views

failed windows install Linux boot error to initramfs busybox vg-root no such device. ubipartman when try to fresh install? Please help

Had Linux 15 installed, was running so decided to install windows. Was trying to install Windows 7 and then 8. Both failed,but not before requiring me to create a new partition.(Windows said it ...
0
votes
0answers
24 views

dracut run hook after root is mounted

I want to run a hook after the root block device is mounted. I'm not sure what I need to do in my module-setup.sh script to get my script to run and run in the right order. I was using the ...
0
votes
0answers
68 views

(Linux) unable to mount from initramfs

I am trying to install Linux (Debian) on a new laptop. This requires special care because the laptop keyboard needs a kernel patch (and I have not compiled a kernel for about 10 years). Also, because ...
0
votes
0answers
83 views

How do I bypass entering exit manually at the initramfs prompt?

I installed lubuntu onto my desktop PC and it does not have any other OS on it. Everytime the system boots up, I get to the initramfs prompt. It does not show any errors. If I enter exit, the system ...
0
votes
0answers
92 views

Initramfs error installing Blackbuntu through Grub

I'm trying to install Blackbuntu through Grub. Once I click the ISO in grub it displays the Blackbuntu loading logo, but then I get this error: Initramfs error: unexpectedly disconnected from boot ...
0
votes
0answers
802 views

“Illegal instruction (core dumped)” in __lll_lock_elision() for various programs after suspend with initramfs (Arch/Manjaro)

I am getting random "Illegal instruction (core dumped)" on various programs in my Arch Linux system, since I ran some system updates. The crashes are quite random. E.g. sometimes "git status" crashes ...
0
votes
0answers
34 views

Optimizing initramfs : Enter dm-crypt password with targeted initramfs?

All my Linux partitions except /boot lie on an encrypted LVM volume, like a typical modern Debian installation. In theory, I could shrink my initrd file by replacing the line MODULES=most in ...
0
votes
0answers
101 views

Do dracut handles boot parameters mentioned in dracut.cmdline (7)

If I understand correctly, in boot time the kernel will mount initramfs and then calls /sbin/init from it(which is a symbolic link to /lib/systemd/systemd on Fedora/RHEL systems) and dracut itself ...
0
votes
0answers
347 views

How can I resolve the initramfs issue during installation of Ubuntu 14.10 with an ISO file?

My system specs are: HP Probook 4445s, Windows 7 SP1, 64-bit, 4GB RAM, AMD A8-4500 APU I want to have both Windows 7 and Ubuntu on my laptop. I am installing Ubuntu 14.10 from an ISO file. I would ...
0
votes
0answers
91 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 ...