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

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3
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3answers
11k views

Setting up boot scripts for BeagleBone/Angstrom

I'm working on setting up the pinmux on a BeagleBone so that I can access multiple UARTS. The OS is Angstrom Linux (the demo image, if that helps). I have a shell script: #!/bin/sh echo ...
0
votes
1answer
227 views

Occasionally kernel panics during boot since 3.3.x with Sandy Bridge

Since kernel 3.3.x there are frequent kernel panics during the boot process. It seems to be a kernel problem since I downgraded to 3.0 and the problems are gone. The kernel panics happen almost at ...
2
votes
1answer
171 views

Why do I have GRUB and GRUB2 in my boot directory?

I'm running F17 and my boot directory has grub and grub2. Why do I need both of these? I thought only one grub was required to boot. Does each one have specific properties?
9
votes
2answers
3k views

What is Arch Fallback in Arch boot menu?

What is exactly "Arch Fallback" in the Arch boot menu?
3
votes
1answer
367 views

Gentoo Kernel failing to boot

My machine has two hard drives -- /dev/sda and /dev/sdb. The first has Ubuntu installed. On the second, sdb, I want to install Gentoo. I did all the installation steps, chrooted and compiled the ...
9
votes
1answer
5k views

Creating a bootable Linux installation USB without unetbootin

I want to install Scientific Linux from USB. I don't know why unetbootin doesn't work but I am not curious to find out: after all, I transferred to Linux from Windows to see and learn the underlying ...
2
votes
1answer
5k views

Should I run fsck on boot for an amazon ec2 image?

I have an Ubuntu micro instance running on amazon EC2. Recently after logging in I was alerted: *** /dev/xvda1 will be checked for errors at next reboot *** I've rebooted a couple times using init ...
1
vote
0answers
345 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 ...
1
vote
1answer
671 views

How do I get Fedora 17 boot media to boot my laptop?

I have been using Ubuntu since Ubuntu 11.10 came out. I was very satisfied with how Ubuntu has evolved over the past few years, but now I would like to try out Fedora 17 since that has been out for a ...
1
vote
1answer
638 views

Combined su and screen at startup

I want to start a long running custom script at boot. The script must run under a specific username. So far I have successfully used the screen command and switched to the user in the custom script. ...
1
vote
1answer
446 views

fedora 12 sleeping forever error

After manually restarting freeze machine due to no response. It stuck on blue screen and gives error as sleeping forever. Default partitioned with LVM. Whether I need to install fresh OS or I can get ...
0
votes
1answer
2k views

Want Windows to boot instead of Grub

So when I turn my computer on, Grub rescue boots up. I have finally figured out how to get into Windows, but now I want to skip the step of entering the information into Grub to get into windows. How ...
1
vote
2answers
2k views

Can Linux support Mirror Bootable Disk with LVM like IBM-AIX/HP/Solaris UNIX?

I have searched a lot in Google and Linux sites, but it seems that only UNIX, especially HP-UX supports mirror bootable disk configuration. Can anyone tell me whether Linux (I am using SuSE 10) can ...
3
votes
0answers
526 views

How to load HID kernel module from the kernel command line?

While upgrading a server from kernel 3.2.9 to kernel 3.5 I had a problem with the network (ifconfig eth0 up won't work) so I updated the system to get a newer userspace, but in the process something ...
1
vote
1answer
3k views

Run gui application on startup

I can run a script at boot by adding the following line to my crontab: @reboot perl /path/script That works fine. But the problem arises when I try to run a gui application such as gmail notify. It ...
1
vote
3answers
574 views

Unable to boot from Fedora LiveCD

So I finally decided to move from Windows to Linux. But before that I have wanted to try Fedora distribution from LiveCD. So I downloaded Fedora 17 .iso file, unpacked it and then burned on my CD. I ...
8
votes
2answers
17k views

How to fix boot failure due to incorrect fstab?

It seems that I have added incorrect record to /etc/fstab: //servername/share /mnt/share cifs defaults,username=myuser 0 0 When I did mount -a, it asked user password to mount network ...
1
vote
1answer
358 views

MBR is toast or at least Grub is

This started after some kernel trouble that I left alone for a while. I had miscompiled a kernel then tried to re-compile it and started to organize a list of boot options in grub for differently ...
5
votes
3answers
2k views

Does /init (or /linuxrc) script creates temporary device nodes in /dev?

Considering that GRUB executes following lines: kernel /vmlinuz root=/dev/sda1 ro initrd /initrd On boot, how does the Linux kernel finds out about /dev/sda1 device node? I know that ...
1
vote
0answers
113 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 ...
2
votes
0answers
1k views

Install Chrome Linux from PXE boot

I've got a PXE boot server from which I can boot a selection of LIVE CD's. Mostly different Ubuntu distributions. Setting it up for ubuntu was relatively easy. I have copied the caspar directory from ...
2
votes
1answer
1k views

Boot into chroot directory leaves the root partition read-only

I am trying to make grub boot into a chroot directory /slack containing a Slackware Linux installation. This directory was created by issuing the following command: installpkg --root /slack a/*.t?z ...
3
votes
2answers
3k views

Why is GRUB 2 booting so slowly?

I have a small custom embedded Linux distribution (created with OpenEmbedded), which boots with GRUB 1.99. The aim is to have it start up fast. Currently it says: GRUB loading. for ~2+ seconds ...
1
vote
0answers
574 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 ...
3
votes
1answer
701 views

Can't get past EFI to install RHEL on HP Itanium Server

When I am trying to install RHEL (6.3, 5.8, 4.8) on an HP Integrity Server rx2660 Itanium with 4GB RAM, I keep getting to the same point which is Loading file efi\boot\initrd.img...done After that ...
2
votes
2answers
8k views

Remove Linux Mint and restore windows's bootloader

I have an old laptop that is setup with dual boot, running Windows Vista and Linux Mint 12. I want to remove the Mint and reclaim the space to Windows. This is a simple task but I've been on it for ...
3
votes
1answer
423 views

How to disable timeout of password prompt for partition decryption during boot?

I have a computer running OpenSUSE 12.1, 64-bit, default install. How it works currently: I turn on the computer It goes through the boot process At some point during boot, I am asked for password ...
5
votes
1answer
11k views

How can I autologin to desktop with systemd?

How can I configure systemd to automatically log me in to my desktop environment, preferably without using login manager? I'm using Arch.
-3
votes
1answer
1k views

Installing openSUSE 12.1 on Asus Zenbook UX32VD

Tales of woe (or, the backstory) So my boss who hates the idea of windows and virtualization had brought me his fancy new Zenbook UX32VD wanting openSUSE 12.1 to be installed on it. SO far I have hit ...
8
votes
1answer
28k views

Booting linux from usb using EFI

I need to use a USB drive as an installation media for my Mint and Ubuntu. For that I have unetbootin to make the usb bootable. But my PC only supports EFI boot (while adding the boot device, I need ...
6
votes
2answers
2k views

Booting a newly compiled linux kernel

I have started reading the book Essential Linux Device Drivers. I am following the process for compiling and booting into a new kernel. However I am unable to boot into the newly compiled kernel - I ...
3
votes
2answers
2k views

login prompt not displayed after boot

On my Arch linux (x86-64) I use default login prompt (agetty + login), then after login X is automatically started by bash profile. After an update this weekend the login prompt from both agetty and ...
3
votes
1answer
3k views

“Missing operating system” error on boot

I replaced Windows 8 with Linux Mint. After the installation had completed, I restarted only to face a black screen with missing operating system. I thought the problem was with Mint so I decided to ...
1
vote
1answer
1k views

Fedora 17 boot hangs after changing to CDM

I am running the stock Xfce spin of Fedora 17 in a VirtualBox virtual machine, and just installed the CDM display manager via yum. I modified the /etc/cdmrc file to start xfce, and added the following ...
1
vote
0answers
143 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 ...
4
votes
1answer
2k views

How can I tell what memory RAM address range is being used by uboot?

I am in uboot and was wondering, how could I tell what RAM address range is being used by uboot. uboot needs memory to run so it might be using some of the RAM. I want to avoid modifying those RAM ...
1
vote
3answers
474 views

Why is bash used in boot scripts?

Why programs run at boot/shutdown are written in bash script? If a compiled language (or a faster interpreted language, like Python) was used, then its running time would be shorter.
4
votes
3answers
2k views

Boot Linux system from a subdirectory on a partition?

I would like to try to set up a computer so that it has multiple Linux installs all in the same filesystem. For example, the filesytem would have 3 folders: /Ubuntu_Precise, /Ubuntu_Oneiric, and ...
2
votes
2answers
2k views

slitaz 4.0 grub2 loopback concatenate multiple initrd images

I'm trying to get slitaz 4.0 ISO to boot using a grub2 loopback on a multiboot USB; insmod font if loadfont /boot/grub/unicode.pf2 ; then insmod gfxterm # insmod efi_gop # insmod efi_uga ...
11
votes
1answer
9k views

How can I test the RAM for data corruption on an ARM-based system?

I have an embedded device. It is ARM based, with Linux 2.6.31 and has 256 MB RAM. I wanted to get some ideas/tips on what is the most effective way to test the device RAM for data corruptions. Is ...
4
votes
1answer
4k views

How to configure Syslinux to load the kernel images from a different partition or disk?

I'm running Archlinux using Syslinux as a bootloader. Right now the kernel image and initramfs are in /boot and all of the Syslinux stuff (configuration file and modules) are in /boot/syslinux. I'm ...
3
votes
1answer
121 views

LILO vga option

In LILO config file (/etc/lilo.conf) what's the difference between specifying vga option in Global section and when specifying it in per-image section.
6
votes
4answers
1k views

Difference between bootable and non-bootable partitions

What is the difference between a bootable and non-bootable partition? I know that a user cannot boot a system from a partition marked non-bootable and can from one marked bootable. I want to know ...
15
votes
4answers
18k views

How do I boot from a liveusb using qemu-kvm?

I am trying to get qemu-kvm to boot from my live usb stick. Is this possible?
2
votes
0answers
286 views

Arch Linux system borked after update [closed]

I have been running arch on my macbook 5,2 since I purchased it back in 2009. This morning I did a full system update (after a few months going without updates) and found some things not working, ...
2
votes
2answers
1k views

Fresh Linux (Debian and CentOS) installation will not boot

I am trying to install either Debian or CentOS on a home server (Fujitsu PRIMERGY TX100 S3). I first tried installing Debian. The whole installation was successful (including grub). But after ...
3
votes
1answer
302 views

Create Logical Volume Snapshot at boot and before mount

I'm using Kubuntu 11.10 and before I upgrade to 12.04, I want to make snapshots of my filesystems. Coming to think of that, I realized that it can be very useful to create snapshots of logical volumes ...
1
vote
0answers
276 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... ...
4
votes
3answers
12k views

/ readonly on boot, but don't see why. how to investigate and fix?

Root filesystem mounted fine under squeeze, and after I upgraded to wheezy. I've been living with it for a bit, so I'm not exactly sure, but I think it started after doing a dist-upgrade on wheezy, ...
1
vote
2answers
3k views

How to add boot parameters in arch linux

I want to add i915.i915_enable_rc6=1 as a kernel line as described here but I'm unsure where/how exactly.