Bootloader issues: what happens before the operating system itself starts.

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147 views

Debian Wheezy Losing video link on boot

I bought a small Intel Atom machine (Intel atom D525) and I've installed Debian Wheezy on it. After I install (successfully) the OS (via USB) the machine boots and after a couple of seconds I lose ...
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256 views

weird problem with 64 bit install and memory

I have a laptop with 8gb of RAM in two 4Gb slots, the processor is 64 bit compatible. However when I try to install 64 bit version of Linux (I tried, mint, arch, manjaro), it refuses to load the ...
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8k views

stuck at grub rescue on boot, no bios, no live cd, ls returns hd0

I have an external hard drive with elementary os on it, and when I took it out my preinstalled windows 8 laptop, it came up with the "error: no such device:'hex number' grub rescue>". I can't boot ...
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322 views

Booting from USB devices on secure boot UEFI system

I'm trying to put an ArchLinux install onto a USB-HDD and want it to be bootable on BIOS systems as well as on UEFI systems that use secure boot. Therefore I have one main question. Does an UEFI ...
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220 views

Installled openSuse and now can't boot from USB or DVD

I've just installed openSuse 13.1 and, while it's great, now I want to try Mageia 4. Problem is that after installing openSuse my machine (Lenovo G560) won't boot from a USB stick or from the DVD ...
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41 views

For what are disk signatures being used for by GNU/Linux (distributions) / grub?

I am talking about disk signatures in context of the MBR. The area from 441 to 445 bytes. For what does the GNU/Linux kernel, GNU/Linux distributions usually use disk signatures for? I only found ...
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188 views

How to show progress when loading initrd?

I have a complete root fs built into initrd, so it's almost 500MB. It takes a while to load to memory and during this time, the screen has no indication of the progress. I would like to know if there ...
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136 views

Why does my system freeze during bootup unless I boot into recovery mode?

I installed some packages, and now when I try to boot into it normally it freezes at this point. The only thing I can do from there is reboot the system. When I do that, this is what's displayed. ...
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572 views

VFS: Cannot open root device “nfs” or unknown-block(0,255)

I am trying to setup a diskless client which will mount over nfs to the server. When I try to boot the client I get the following error message: VFS: Cannot open root device "nfs" or ...
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166 views

PXE USB BOOT Debian

I have installed a Debian. I rsynced it. I load it on my client through PXE from NFS to make a backup. But I need my Computer(NFS-host) at the same time to make something other with it. For example, ...
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478 views

Problems with booting with Kubuntu 13.04 / Windows 7 Dual boot

So I've had Kubuntu running on my Lenovo laptop as the only operating system for most of the summer. Earlier this week, I decided to shrink the home partition in order to add a Windows 7 partition. ...
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372 views

Stuck on installing grub to a usb stick (unknown filesystem/no such partition)

I just spend all day on trying to get my system to boot again, I'm getting a bit desperate...snif. The setup is as follows: a debian installed in a luks encrypted usb hard disk with lvm volumes for ...
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318 views

Memory test while booting . Unable to boot Ubuntu 12 04 LTS

I'm running Ubuntu 12.04 LTS. All of a sudden, my I'm unable to load the OS. A memory test is happening while I'm trying to boot the system.
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51 views

GRUB2 Edit Mode problem

I have recently installed Fedora 18 using UEFI. The problem I'm facing is that when I try to go into edit mode in GRUB, my PC freezes, displaying just a black square instead of text. Unfortunately I ...
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510 views

How to check Grub2 config file?

When I boot my Fedora 19, I get a very brief error message when Grub2 loads. It's too quick to read, as it switches to the graphical mode almost instantly. My idea is to test the config file. I ...
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78 views

Unable to Boot into F17

I was currently running Win8 and F17 as a dual boot on my home desktop with an i5 chip and Asus UEFI BIOS. Unfortunately, while I was in Win8 I accidentally removed the partition that held my F17 OS. ...
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239 views

Install linux from USB without bios support

I have an old PC where I want to install Debian from "smaller CD" (up to 40mb, rest will be downloaded). I have made a bootable usb from this Debian. The problem is, my computer is so old that it ...
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1k views

Why does eth0 only go up sometimes on boot?

I just installed Arch with Archboot. On boot, there's about 50% change of eth0 to go up. If it doesn't I'll have to reboot. What could cause this? If it goes up, dmesg contains: [ 7.9...] IPv6: ...
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270 views

Fedora 17 freezes at loading screen with a CD-based installation

I'm trying to install F17 on my laptop (Toshiba A-665 ... 4gigs RAM, nividia gforce GTS350M,core-i7 1.7 GHz processor), but the liveCD boot freezes about 3/4 of the way through the loading icon... ...
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147 views

Creating a Virtual filesystem to boot linux

I am trying to boot the linux kernel (bzImage) in QEMU but have had issues. After asking on U&L I found out that my problem was that I was booting the kernel without a filesystem to boot from. So ...
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371 views

Copy live CD to RAM on boot

OK, so I've put together a live CD which uses isolinux as the bootloader. Any idea what magical option or switch I need to use to make it copy the compressed filesystem to RAM before mounting it? (Not ...
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648 views

Fedora 17 not booting

I just got GRUB to properly set the resolution, thanks to this wonderful answer. After selecting Fedora 17 and waiting a bit, this displays: [ 0.752888] [Firmware Bug]: powernow-k8: No compatible ...
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205 views

Multi-Distro boot DVD with SystemRescueCD 2.8.0 fails to boot the SRCD portion

I'm trying to create a multi-distro mutli-boot dvd image containing (amongst others) the SystemRescueCD iso. I'm using GRUB as the boot loader and I've managed to get most of the other ISOs booting ...
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188 views

Debian restarts itself after booting with a “not responding” error

I had a stable Debian 6 install until earlier today, when some keys on my USB keyboard stopped working and my USB mouse buttons started to behave strangely. I had not installed anything new since the ...
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355 views

Grub fails after install it on my macbook pro

I'm trying to install Archlinux on my macbook in dual boot mode. I part the disk that way : /dev/sda1 -> EFI /dev/sda2 ->MacOS /dev/sda3 -> /boot /dev/sda4 -> / /dev/sda5 -> /home As ...
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114 views

Fastest, most consistent booting

I am running an i3 laptop, assembled by Asus. I am running Ubuntu with grub2 and burg boot loader. I would love to have a consistent graphical boot process as with Mac OS X. I don't want the user to ...
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623 views

Linux thin station

I have this pc that I just installed and set it up as Linux thin station. I did all the formatting procedures and copying of image to the HD. When I boot it up, I get these, which I think are driver ...
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153 views

Battery not detected on my embedded device on reboot

I have an ARM based embedded device with Linux Kernel 2.6.31 running on it. I have seen that while rebooting the device sometimes battery won't get detected and the device will just fail to boot. Any ...
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305 views

Booting Laptop with external monitor stalls

Whenever I try to boot linux with an external monitor attached to my laptop, it hangs after checking the battery state with the following message repeated several times: ...crtc_helper_set_config... ...
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716 views

How do I create more /dev/tty entries and /dev/ptmx on boot up?

After building kernel 3.2.13 and installing via RPM on my system, I have this problem: There is no /dev/ptmx which the rest of my system is expecting. There is actually a /dev/tty/ptmx device ...
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585 views

Fedora 16 install from USB memory stick to Samsung NP305U1A netbook will not boot

I have installed Fedora 16 from a USB memory stick. After installing, which seems to work just fine, and after rebooting I end up in the BIOS. I can not find which BIOS settings to use and have not ...
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3k views

GRUB2 and EFI - File not found?

I'm running Linux on a 8,3 2011 MacBook Pro. It uses EFI/rEFIt to boot. I was able to install GRUB2 EFI support, and it shows up just fine in the rEFIt boot menu. Everything seems to be working ...
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8 views

RAPL PMU detected, API unit is 2^-32, 4 fixed counters 655360 ms ovfl timer

I compiled my own kernel (version 4.1.5) using the commands: #emerge --ask sys-kernel/genkernel #genkernel all And then I installed grub2 using these commands: #emerge --ask sys-boot/grub ...
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52 views

Newly compiled kernel can't boot to LVM root partition - but the old one does

When booting a new kernel (4.4.1 on Ubuntu 15.10) for my Intel i7 based laptop (MSI GS40 Phantom), I can't seem to far past Grub. Once initramfs kicks in I get an error message saying that it can't ...
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45 views

Manually move kernel image to /boot directory

I have compiled my own kernel on Gentoo (following the handbook) and then I have moved the bzImage to /boot/vmlinuz-4.0.5. But when I boot the system I get the Grub2 shell. What am I doing wrong? ...
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5 views

Cryptsetup boot many devices “timeout”

On my server, the crypttab file has 13 entries for every hard drive connected to it. 2 are for the system partitions, 2 are for the backup system and 9 are for the mediaserver and nfs stuff. ...
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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 ...
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38 views

Kali Linux Rolling doesn't boot, freezes after login

I have recently installed Kali Linux Rolling from my usb. Everything went fine and I have booted into it once and it worked well. But when I booted into my mac partition and then tried to boot back ...
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8 views

How can one boot Kodibuntu from grub2 when installed on Intel Stick?

I did everything as described previously "user145862" link: How can one boot Kodibuntu live USB from grub2?, which is able to install on kodibuntu Intel Stick. But after the restart sysyemu not want ...
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13 views

How do I boot into Ubuntu 12.10 or higher WITHOUT using grub2, but just grub?

I have a machine I SSH into on a Rackspace virtual XEN environment originally built as Ubuntu 11.04, but I have since upgraded to 12.04 with a grub 1.99 on menu.lst, not a grub2. The ...
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24 views

Computer doesn't boot ANY device after installing debian

During a Debian installation, everything went smoothly. However, for some reason it failed to install both the GRUB and LILO bootloaders. I tried thrice to get my installation to work. The first two ...
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16 views

Debian Jessie grub-install broken in some mysterious way

I did an apt-get dist-upgrade today (2016/02/01), and now my system won't boot. The only reason I can get in at all is that there's a copy of Ubuntu installed as well, and I can boot it from the ...
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25 views

Backbox(Ubuntu 14.04) takes too long to boot

I've recently started encountering this problem that my system takes too long to start and also to shut down. I searched it and found that dmesg shows the logs of processes at boot time. Here's my log ...
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14 views

Adding vmlinuz to EFI boot adds an unbootable japanese caracter to the boot menu

I'm trying to setup a boot on an encrypted partition so I enter this command : efibootmgr -d /dev/nvme0n1 -p 1 -c -L "Arch Linux" -l /vmlinuz-linux -u "root=/dev/nvme0n1p6 rw ...
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13 views

When does Plymouth starts and ends?

I am currently creating a custom Plymouth Theme/Script for my operating system. Thus i want to know when does Plymouth gets started. Which function calls it? How does it start up and display nice ...
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14 views

How to setup efibootmgr when root / is an encrypted partition?

Just wondering how to setup efibootmgr when root / is an encrypted partition. I'm installing archlinux on an encrypted root and their wiki says that i should use # efibootmgr -d /dev/sdX -p Y -c -L ...
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12 views

linux mint black screen error

I have installed linux mint along with windows 10 using usb. After this when I restarted then screen went black. I tried this link but it is not working for me.I am attaching an image of grub with ...
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23 views

Attempted to dual boot linux with windows, not letting me boot into either

I was installing KALI on my computer alongside windows. My computer has 3 hard drives. One of them is a 1 TB hard drive running Windows 7. My two are 250 GBs and were both empty. I tried to install ...
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36 views

Disable isc-dhcp-server form startup

I am working with isc-dhcp-server on ubuntu 14.04.1, and i don't want that it run on start up so I disabled it from rc with sudo update-rc.d -f isc-dhcp-server remove But it still run on startup, I ...
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29 views

Can't boot into my Linux partition--disk is supposedly at fault, but scans show no errors

I'm trying to boot into my Linux partition, but receive this message: Welcome to emergency mode! After logging in, type "journalctl -xb" to view system logs, "systemctl reboot" to reboot, "systemctl ...