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

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What does am335x-pru0-fw do?

When I boot my BeagleBone Black I get the following error. What exactly does this mean? What is am335x-pru0-fw meant to do? Kernel Version: $ uname -a Linux arm 4.1.15-ti-rt-r40 #1 SMP PREEMPT RT ...
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1answer
12 views

Resource for understanding Beglebone Black boot process with systemd [on hold]

We have BBB based custom Linux board running Linux 3.12 We are using SysV init, for boot, And I understand that boot happens in following sequence, ROM code looks for boot device based on boot pin ...
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1answer
23 views

Fedora doesn't boot since 4.5.7-202: grub shows only a blinking cursor

I have a Thinkpad 460s with dualboot: Fedora and Windows. I am using grub2 as a bootloader. 4.5.7-200 boots fine, but 4.5.7-202 and the newly released 4.6.4-201 doesn't boot up, grub shows a blinking ...
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1answer
62 views

<Solved> How to shrink, clone an entire Linux disk and boot it?

I had an Ubuntu 14.04 running on a 1024 GB disk (disk A), which only used up to 130 GB spaces. I want to clone it to a 256 GB SSD disk ( disk B ). But failed. I used gparted to shrink the partitions ...
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1answer
828 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 ...
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2answers
2k views

How can I boot the PC-BSD live DVD-ISO IMAGE directly via GRUB2?

Via the loopback command, GRUB2 allows to directly boot an ISO file. Now, I've configured the according menuentry to boot the PC-BSD Live DVD ISO, but when I try to boot it, the FreeBSD bootstrap ...
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10 views

Install Debian on G5 new drive 2nd stage boot

I have 4 old G5s and 4 old Powerbooks. I have installed Debian 7.1 on one of them and it gets stuck on 2nd stage boot (choose l for GNU/Linux, c for CD) We do not have the original hard drives (...
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1answer
2k views

Linux Mint: How to enable cryptswap with custom password?

When you want to use hibernation and you care for security, you'd like to have the swap encrypted. But not with the random password, chosen for you at startup, but with a fixed one, supplied by you at ...
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2answers
11k views

Startup log file for RHEL?

When I start up my Red Hat box I see a progress meter in the center of the screen that has a button that says "Show Details...". When I click on this button, I see a console like screen that shows ...
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1answer
149 views

Where in GRUB2 source code is the handover/jump to kernel code?

I'm looking for the line of code where GRUB2 finally jumps to kernel code and thus hands over execution on x86 systems? I guess it's in an assembler file since this is very low architecture stuff. I ...
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1answer
2k views

How to access u boot environment from linux?

How can I access and change the u-Boot env variables in linux. Using the u-boot/tools/env directory in u boot directory: u-boot$ make env Which created the executable file fw_printenv. I copied ...
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1answer
18 views

Why is it taking so long to establish a LAN connection on boot?

I have an issue with a virtual machine taking time to connect to the local network on boot. I create a virtual machine using the following command: virt-install \ --connect qemu:///system \ -...
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2answers
26 views

Can initramfs programs access all memory - do they run in real or protected mode?

This is in the context of current 64-bit processors and current linux kernels (I'm using 4.6.4.) Is it possible for me to write a program that during boot can examine base memory, 640k and under, ...
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0answers
28 views

Unknown runlevel on Ubuntu 14.04, services not starting on boot

I rent a VPS from a VPS company and run an Ubuntu 14.04 web server there. Recently it had to be suspended by my provider for a while. After the suspension period (1-2 days), the VPS boots, but cannot ...
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2answers
3k 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 ...
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2answers
4k 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.
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0answers
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Marking TSC unstable due to check_tsc_sync_source failed

My dedicated server has been hanging it out (or just turning off) very often sometimes more than a day, apparently for no reason (according with the technical support department). After that, the only ...
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3answers
5k views

ERROR: Root device mounted successfully, but /sbin/init does not exist

I've installed Linux Mint and Manjaro Linux on my computer. I installed only the Linux mint on the MBR. For Manjaro, I created a /boot/efi partition, but I have not checked to install to MBR. So, I ...
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0answers
30 views

Cannot boot; “failure reading sector 0x802 on hd0”

I recently installed Peppermint 7 on my pc. Everything was working as it should. I've been using it now for over a month. I turned it on today to find that it couldn't boot. It says "failure reading ...
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1answer
20 views

How does BIOS know which disk's MBR should it use? [closed]

Generally, BIOS will read the MBR in disk, but if there are multiple disks, how will the bios determine which disk's MBR should be read?
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0answers
29 views

Got only Microsoft reserved and Microsoft basic data partition ? How can I boot into Windows 10 from grub2?

I only got these partitions: Disk /dev/sda: 55,9 GiB, 60022480896 bytes, 117231408 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (...
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1answer
36 views

After installing Manjaro, windows is not showing in boot menu

I was dual booting windows 10 and Linux Mint 17.3 Mate. Everythig was fine, I was able to dual boot. Last night I decided to install Manjaro Linux and I did so. After installing Manjaro, all I get in ...
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1answer
2k views

Debian 6 Gnome black screen after boot

I installed Debian a few weeks ago, and the last time I ran apt-get update, I think it updated something xorg/xserver, not sure. Since then i get a black screen after boot. If I go into recovery mode ...
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14 views

device-mapper: table: 253:3: snapshot: Failed to read snapshot metadata

I used Clonezilla to restore a Linux system. After the system restore finished, the system failed to boot, showing the following error message: Reading all physical volumes. This may take a while... ...
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17 views

LMDE 2 boots to black screen but if I choose 'systemd' it loads normal

I made the unfortunate mistake of copying and pasting some stuff and now LMDE boots to a black screen. However, if I interrupt the boot process and choose the option with (systemd) at the end, it ...
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0answers
8 views

Getting error to install centos 7 from bootable usb

I am trying to install cent os 7 from bootable usb but it is giving below error, see screenshot Anyone knows what went wrong.
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1answer
1k views

Cannot add startup service to openWRT from init.d

I have openWrt installed on a TP-Link TL-WA901N/ND v3. I don't have luci package installed because I don't have enough space, so I can only do thing via cli. What I'm trying to achieve is to create a ...
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0answers
132 views

switch_root with systemd: “Too many levels of symbolic links”

I'm trying to boot a proprietary kernel build and OS after an upgrade to libc and numerous other tools. I'm booting using an initramfs in the 3.2.0 kernel with some utilities, like busybox. However, ...
4
votes
1answer
4k views

Setting up HDMI output from Linux console

I am currently running Debian Wheezy on a HP Microserver N54L with an AMD Radeon 5450 video card. I would like to be able to play audio from the console through the HDMI port of my video card and ...
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0answers
30 views

systemd underestimates boot time. How can I try upstart?

Sorry in advance if this is a stupid question, but I'm new to this issue and every time I google it, I just get comparisons of upstart versus systemd. Anyway, my Samsung laptop with Mint 18 is taking ...
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1answer
37 views

Black screen with blinking cursor after trying to boot Kali, Ubuntu, and Lubuntu live

I recently bought a Lenovo Thinkpad Edge 15 (Model: 031925U) on Ebay. The machine came with Windows 7 Pro 32 bit installed. I replaced the HDD with a 240GB Samsung 750 Evo. With a 2.4Ghz i3 370M ...
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1answer
49 views

What can cause GRUB2 to suddenly not be recognized by EFI?

I have two hard drives in my PC. The first one contains an ext4 partition with Debian, a swap partition and the EFI partition for Debian. The second hard drive contains Win8 and it's EFI partition. ...
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1answer
34 views

How to boot to and run Linux from Chromebook with removed SSD?

I have an Acer C740 Chromebook. I am not sure if this is a hardware or a software issue, but the Chromebook refuses to boot properly. The display powers on, but remains blank white with only the ...
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0answers
34 views

When arch linux boots on my mac, I can execute commands, but the screen is completely black

I have tried to boot both ubuntu and arch on my iMac (21.5-inch, Mid 2010). Both seem to boot, for example ubuntu makes its little bongo noise, and I can type zsh commands when arch boots. But the ...
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0answers
13 views

My Macbook retina with Linux Mint out of battery, black screen on boot

I was using the computer when suddenly the power in the house shut down without me noticing. Then after a while when my computer shut down off battery loss, it now wont boot. Before it shut down I was ...
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0answers
29 views

Installing RHEL to multiple-boot with Windows and two other Linux distributions

Alright, so I made an earlier attempt to install RHEL 7.2 with automatic partitioning, and it turned into a mess since I have 3 other operating systems installed (windows + 2 Debian based Linux ...
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1answer
12 views

Ubuntu MATE LiveCD hangs during VirtualBox boot, weird screen displayed

I downloaded the Ubuntu MATE 16.04 liveCD, and when I booted it with VirtualBox, it hung, and displayed this screen: I modified it with my mediocre GIMP skills to make it easier to read If somebody ...
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3answers
9k views

Why are post-up commands in /etc/network/interfaces ran multiple times at boot?

Here is the content of /etc/network/interfaces: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp post-up /etc/network/if-up.d/sshstart And sshstart is a script with the following in ...
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2answers
2k views

Problem before Login Screen - Fedora 21

Have the following problem: Computer boots till the fedora logo before login. when I press F2, I see the following: (1 of 3) A start job is running for Gnome Display Manager (2 of 3) A start job is ...
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1answer
4k views

Gnome doesn't want start

my problem is following: some time I just restarted my computer, after restart the gnome doesn't want to show up, I have only the 6 tyy's terminals ( I can log in and do whatever I want ). I am ...
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2answers
242 views

What is zImage, rootfs

I am very much new to Embedded Linux. We use poky build system. We just use bitbake linux-imx command to build the kernel. It generates some files zImage, rootfs, uboot and also a sdcard image. We ...
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1answer
2k views

Linux USB Boot results in black screen

I'm trying to install Linux alongside Windows 8 on my new Asus Zenbook UX32VD, which has both an Intel HD 4000 and a NVidia 620M I've been having quite a few problems booting up linux via USB so I ...
4
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0answers
42 views

RAID-1 / LVM server won't boot after power outage

Strange issue. After an extended power outage (transformer exploded!) which outlasted the UPS, a server running Slackware 13 crashed. This machine has been quietly serving accounting software and ...
0
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1answer
809 views

Debian fails to boot after installing xfce 4.10, “lp: driver loaded but no device found” error

I decided to install xfce 4.10 on wheezy. However after rebooting I am getting stuck at some screen beginning with the line" lp: driver loaded but no device found Thing is, I can't do anything at ...
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1answer
985 views

ELAN Touchscreen on Ubuntu 14.04 and Debian 7.6

I recently purchased an ASUS Q550LF laptop with Windows 8.1 preinstalled, and subsequently installed Ubuntu 14.04 and Debian 7.6. I use Ubuntu for most tasks, but occasionally have reason to boot ...
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0answers
18 views

Failed Ubuntu dual-boot installation - GRUB errors 'failure reading sector'

I've been unsuccessfully trying to install Kubuntu 16.04 on my new laptop alongside W10, which it came in with. Now I did this twice already on different computers and was always successful and there ...
0
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1answer
45 views

CIFS mount through fstab not mounting at boot

Trying to auto mount two shares from my QNAP NAS onto my raspberry pi. QNAP NAS Shares: \\192.168.1.7\Disk3 \\192.168.1.7\Disk8 At the Raspberry Pi, created two folders: /mnt/shares/NASDisk3 /mnt/...
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2answers
951 views

Writing openSUSE image to SD card

I am releatively new to linux and I have assembled a raspberry PI 2 model B and I'm relavively unexperience with linux. I have tinkered in the past with SUSE and want to start doing it again. I have ...
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1answer
161 views

How to Modify Android Boot Sequence in Order to Boot From an SD Card

I've been looking into how to boot Android form an SD card, and I came across this thread on XDA, but I am too much of a noob to understand it, and user has stated that she doesn't have the time to ...
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1answer
1k views

Kali Linux 2.0 broken, doesn't boot

I have a Macbook Pro with a partition of Kali Linux Sana 2.0 on the macintosh hard drive. I haven't used it for a while but today I decided to boot into it. It booted as usual, I logged in etc. and ...