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20 views

why is grub2 ignoring kernel options when boot from el torito on CD?

I have a simple manually created grub.cfg file, which I load into grub-mkimage, then build into an el torito image on an iso9660 iso. Everything actually boots, but the kernel options are ignored ...
1
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1answer
25 views

Why can my custom-build iso not boot in EFI?

I am building a custom iso using xorriso in mkisofs mode. The build seems correct, inspecting the iso afterwards shows 2 boot images (1 BIOS, 2 UEFI), yet booting to the ISO from qemu using the OVMF ...
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0answers
16 views

Creating a bootable usb stick to use on a macbook

I did the following steps to create a bootable usb stick, following https://astrofloyd.wordpress.com/2014/01/14/boot-linux-from-usb-flash-drive-on-macbook/ created a fat32 usb stick copied a Fedora ...
1
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0answers
27 views

OpenELEC : “cp: can't stat '/flash/SYSTEM'”

I hope someone will be able to help here, I don't see much support about OpenElec... But let's try ! SO. I'm buidling an HTPC and would like to multi-boot it with OpenElec + Mint; with EFI boot. I ...
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0answers
26 views

Why Linux can boot from GPT partition type on systems BIOS?

Why Linux can boot from GPT partition type on system with either BIOS or EFI firmware but windows or OSX can't? What's the concept behind this?
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0answers
21 views

Can I repair a HFS+ volume if the files were unreadable after “Easus Recovery Wizard” recovery? Testdisk & Diskutil info below

I have someone else's 1.5TB hard drive (WD Elements) that I would like to repair or recover files from. It has possibly been dropped and was constantly around a lot of loud Techno music. It is the ...
0
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2answers
61 views

Do I need boot partition on UEFI & Luks?

I'm trying to install Gentoo on LUKS partition (simple layout - single root partition, without underlying LVM). Right now it works, but I doubt if I done it properly. I've got such a partitions: ...
0
votes
2answers
70 views

Mounting efi disk on external USB

Recently I bought new sshd to replace my old one on my notebook, but I have problem. I installed Ubuntu 15.10 on new one and put the old on usb case I have, but the disk on USB doesnt have partition ...
0
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0answers
32 views

Installing Ubuntu 14.04 on Lenovo Essential G505S (59-380131) Laptop

The configuration of my laptop is: Lenovo Essential G505S (59-380131) Processor : APU Quad Core A10 RAM : 8GB [I have upgraded RAM from 4GB to 8GB] HDD : 1TB O.S. : Win7 Ultimate 64 Bit Graphics Card ...
0
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0answers
48 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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0answers
62 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 ...
1
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1answer
113 views

Installing Debian but can't boot

I'm installing Debian testing on a SSD, there is a pre-existing EFI ESP partition from windows installation, the disk uses GPT partitioning. Problem is after it finishes installing it won't boot linux ...
0
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0answers
31 views

Can't boot Debian after force EFI installation

I just installed Debian with encrypted /, I made a /boot partition and converted an NTFS partition to EFI, it installed but now I can't boot on linux. My motherboard boot list put a mirrored "N" sign ...
2
votes
1answer
88 views

I think Ubuntu messed up my EFI. I'm in over my head

So, installing Ubuntu was a breeze. Make a bootable thumb drive, restart, hold alt, boot into it. But Ubuntu isn't for me, so I thought I'd try Mint. If I reboot and hold alt, I get a few choices ...
0
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4answers
473 views

How can let grub boot Kali directly instead of giving me a command line on boot?

I Installed Kali Linux 2.0 64bit (full version) using USB device in dual-boot with Windows 10, done without error if I remember well. My device is an Asus TP300LA (UEFI), enabled CSM in bios, and ...
0
votes
1answer
276 views

Xen error: “xl list” complains about libxl

After having installed Xen on Arch Linux, I cannot issue any xl commands, getting this error: xc: error: Could not obtain handle on privileged command interface (2 = No such file or directory): ...
1
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1answer
906 views

EFI No loader found. Configuration files in \loader\entries\*.conf are needed [closed]

When I boot my install in EFI mode I see a EFI menu with no entries. On hitting enter I get the error No loader found. Configuration files in \loader\entries\*.conf are needed. I have an entry in ...
2
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0answers
21 views

EFI boot and RAID6

I am a Linux beginner and I am trying to install SLES on a server with 8 HDDs, 3 TB each, but I am testing the configuration first on a VM (virtualbox). I tried following configurations and both got ...
0
votes
1answer
101 views

How can I update the kernel and initrd images in EFI boot loader?

I have successfully installed the EFI boot loader (using ELILO) but I am unsure how to actually keep the kernel images up to date. Can you help me understand the process please? Thanks. ...
1
vote
1answer
270 views

How to make a UEFI bootable ISO image with grub-mkrescue?

The story so far: I have been following this guide to produce a customized version of Ubuntu. As of now, the structure of the CD is complete. I have generated an ISO with the command: sudo ...
1
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1answer
514 views

Recovery EFI boot formatted partition

My notebook had windows 10 and ubuntu 15.04 in dual boot in uefi mode. Then I tried to replace ubuntu by fedora 22. Ubuntu boot loader was installed in /boot/efi, but I formatted that partition when I ...
1
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0answers
143 views

lost FreeBSD efi loader after upgrading windows 10

How to return option to load FreeBSD, after it was lost next to upgrading windows 10. I use uefi-FreeBSD10, and didn't created another one ESP.
0
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0answers
403 views

Images (e.g. with Clonezilla) of Windows and Linux on a UEFI computer

I use Clonezilla with success for many years to make images from partitions that host Windows 7 or smaller and Ubuntu and other operating systems. Making images and restore them was easy for me. But ...
2
votes
2answers
361 views

How to construct a GPT-only partition table on Linux?

All of the tools I've tried until now were only capable to create a dual (GPT & MBR) partition table, where the first 4 of the GPT partitions were mirrored to a compatible MBR partition. This is ...
0
votes
1answer
136 views

Not able to install mint with UEFI

In order to install Linux mint mate edition on a HP pavilion notebook, I downloaded the iso file on the official website. I created a bootable USB stick with Rufus. I shrinked the windows partition ...
0
votes
1answer
124 views

Debian & Windows 8 UEFI dual booting on separate disks

I want to dual boot Debian and Windows 8, installed on separate disks. This is what I've done so far, following this tutorial. My drive config & partitioning is as follows: /dev/sda1 - Windows ...
2
votes
1answer
3k views

How do I repair grub2 (not) booting 32-bit EFI on a 64-bit machine?

I have an Asus EeeBook X205TA which proves very difficult to install Linux on due to obscure new hardware and 32-bit EFI on 64-bit hardware. I have seen and read a lot of material and I am almost ...
3
votes
1answer
212 views

Dual boot Opensuse13.2 and windows8.1 boot loader

I installed Opensuse13.2 using dual boot on my system that originally had windows 8.1. If I was using UEFI boot option then my computer automatically logged onto the windows OS. So I was using ...
2
votes
1answer
2k views

How to initialize new disk for UEFI/GPT?

Background I'm setting up a new build, with all new hardware, tabula rosa. I want to have multiple Linux installations and common data partitions. From what I'e gathered so far, using new hardware ...
1
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0answers
255 views

How to stop grub from messing with my EFI partition?

I'm dual booting Windows 8.1 and Linux Mint. I decided to install the Linux Mint OS (Rebecca) onto an EXTERNAL HDD. So what I did was click "Something Else" during installation and I created 3 ...
1
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1answer
836 views

How to restore normal boot process after pacman update on EFI?

I just updated my system and upon reboot I've found myself in emergency mode. This is a dm-crypt+LUKS EFI system (thinkpad) using gummiboot. journalctl -xb reports that /boot could not be mounted. ...
0
votes
1answer
598 views

Gentoo: grub2 with efi [Solved]

I have a strange problem about loading with grub2 and efi on gentoo. Maybe I've missed something, but I'm trying to do this: # mkdir /media/gentoo # mount /dev/sda8 /media/gentoo/ # mount -t proc ...
0
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1answer
4k views

UEFI installation failed Fedora 21

I have installed Windows 8.1 on my Lenovo laptop. When I configure partitions I receive this error: No valid bootloader target device found. For UEFI installation , you must include an EFI System ...
1
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2answers
842 views

Cannot load linuxmint after dual boot with windows 8.1 having efi firmware [closed]

I have acer laptop with pre-installed windows 8.1 so comes with efi firmware. I dual boot Linux Mint after changing efi to legacy and set bootloader installation of Linux to efi partition. Then I ...
1
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3answers
1k views

Windows 8.1 and Debian dualboot EFI problems

I am following the instructions described here and here My EFI-partition is /dev/sda2, but the following command does not work: mount /dev/sda2 /boot/efi It says it cannot find the mount point. I ...
1
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1answer
206 views

Problems with installing Debian 7.7 on a Vaio laptop

I have a Vaio laptop (Model Number: SVF15218SGB). It had a Windows 8 on it when I'd bought it. After a few months, I decided to migrate to GNU/Linux. Thus I installed Ubuntu 14.04 on it (It was July ...
1
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0answers
121 views

External drive EFI bootloader with Debian 7.7 Wheezy

I'm currently trying to install Debian 7.7 on a removable drive with an encrypted LVM from DVD-1 with a self contained EFI bootloader like the one the DVD uses - that is, the computer's HDD should be ...
4
votes
5answers
6k views

Restore EFI boot partition

I am triple booting Ubuntu, Debian, and Fedora. When I installed Fedora from a liveCD I got excited and kept hitting next, not realizing I was not installing GPT, but rather LVM. After doing this I ...
0
votes
1answer
2k views

Can't get grub to boot windows 7 partition. “error: invalid EFI file path”

I have an "HP pavilion 7008tx dv7" laptop. It came bundled with Windows 7 and has two 1TB HHD and an 32G SSD. Here is the output form "sudo parted -l": Model: ATA TOSHIBA MQ01ABD1 (scsi) Disk ...
3
votes
2answers
545 views

Easy way initrd to chain loading another kernel with kexec

I have here a machine which won't boot 64-bit kernels (it has efi32 with a little bit of... uncommon firmware). Currently, my only way to boot my 64-bit linux system is: Booting a 32-bit distro ...
0
votes
1answer
293 views

Mint 17 via EFI stub on 32-bit MacBook, keyboard doesn't work; fine with Grub bootloader

I'm not necessarily looking for a solution, although that would be great... mainly an explanation. On a MacBook 1.1 using rEFInd boot manager, if I boot Mint 17 Cinnamon 32-bit via the Grub ...
3
votes
0answers
663 views

Read Apple nvram

On Mac OS X there is a tool called nvram to get and set EFI properties. As I am now deploying GNU/Linux on Apple hardware, I'd like to have a similar tool that is able to talk to Apple's EFI ...
8
votes
1answer
1k views

How to write/edit/update the OsIndications efi variable from command line?

In the need to enter the UEFI firmware setup utility while using ultra fast boot (keyboard drivers are not loaded during POST), I wish to write to the "Os Indications" efi variable. My OS is Ubuntu ...
26
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2answers
3k views

When do I need to specify add_efi_memmap as kernel argument in UEFI/EFI boot?

I am reading some tutorials how to EFI stub (efistub) load the Linux kernel. These instructions often use kernel boot parameter add_efi_memmap. The intended hardware is Intel x64 having 8GB of RAM. My ...
1
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1answer
808 views

Create bootable hfs+ partition for macbook

I've installed Debian testing on a Macbook Pro (mid 2014) without keeping OS X on the internal SSD. I've used the following GPT partition layout: HFS+ EFI on /boot/efi BTRFS on / SWAP on swap I've ...
2
votes
1answer
8k views

Arch Linux on an UEFI-GPT system with Windows 8.1 dual booting [closed]

I'm going to install Arch Linux on an UEFI computer. I've also Windows 8.1 installed and I would like to keep this operating system in dual boot with Arch. I should ask many questions, because this is ...
3
votes
1answer
869 views

Debian Jessie GRUB2 on a multi-boot EFI laptop cannot start a Gentoo kernel-initramfs

I have an HP Pavillion Touch 14-N009LA laptop running on an AMD A8-4555M CPU, 8 GB of RAM, and a 750 GB HD, currently running on dual boot Windows 8.1 accessible via the system's EFI boot manager, and ...
3
votes
1answer
852 views

UEFI bootable iso of own Linux distribution

I have a Linux distribution that I want to create an ISO of, so I can put it onto a CD or USB. I have earlier used Remastersys and Relinux to create my own linux distributions, but the ISO they make ...
2
votes
1answer
453 views

How can I chainload GRUB on another drive?

I have two pen drives. On one I have a full install of Arch GNU/Linux. This install is compatible with both EFI systems and BIOS systems; it has a GPT drive with a BIOS Compatibility Region and an EFI ...
1
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2answers
365 views

Gentoo XEN host + EFI + MDADM + IMSM RAID5

I have a workstation with a working Gentoo setup. It uses IMSM FakeRAID (level 5) with 4 disks. Booting done without bootloader using Linux kernel EFI STUB. System works fine. Now I need to setup XEN ...