Questions tagged [boot]

Use this tag if you have trouble booting Ubuntu or you have questions about the bootup process.

12,167 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
11 votes
1 answer
29k views

Ubuntu 20.04 boot error - Firmware bug; Hardaware error; ACPI does not cover the entire command/response buffer;

I get this error with some linux distros (I use ubuntu, but I checked and tested several others distros to see if the same problem occurred) when I click to try or when I install and boot (exept ...
mnicolau's user avatar
  • 111
10 votes
1 answer
11k views

Loop in "failed to start Snappy Daemon"

I'm not really experienced with Ubuntu and do not have a clue what to do in the current situation. My system currently has two boot states: Does not boot at all. Going to different console by ctrl+...
Index's user avatar
  • 275
9 votes
0 answers
3k views

RAID Drive on Dell Perc H310 RAID controller not recognized

So, I recently bought a Dell Perc H310 RAID controller to put in a Fujitsu Esprimo P700 E85+ Computer running Ubuntu Server 18.04.1 LTS. The Motherboard seems to have no UEFI, just a BIOS. From a ...
pulp_user's user avatar
  • 191
8 votes
0 answers
1k views

A stop job is running for Raise network interfaces (/1min 31s)

When I am trying to shutdown my pc running ubuntu 16.04.5 it will hang on this line: A stop job is running for Raise network interfaces (1s/1min 31s) This is my /etc/network/interfaces file: # This ...
User5468622's user avatar
7 votes
1 answer
1k views

Unable to update "Secure Boot dbx Configuration Update"

New Ubuntu 22.10 install. GUI update shows "Secure Boot dbx Configuration Update 77-217". When update is attempted (from GUI) error is displayed "Unable to update "Secure Boot ...
Gerry's user avatar
  • 71
7 votes
0 answers
3k views

Windows 11 erases GRUB every time I launch it from GRUB itself

So I have been trying to solve this problem from several hours for now: Problem explanation I bought a new computer (HP OMEN 15) with Windows 11 already installed. I did a dual boot with ubuntu, which ...
Julien Bocage's user avatar
7 votes
3 answers
11k views

ACPI BIOS Error messages when booting Ubuntu 20.04

After upgrading my ASUS Zenbook UX305UA (Intel i5-6200) from ubuntu 18.04 to 20.04 (20.04.1 LTS to be specific) a couple of weeks ago, I am experiencing odd bugs. While odd green pixels like this were ...
Max's user avatar
  • 143
7 votes
1 answer
4k views

how to fix this ACPI BIOS errors and ACPI errors?

[ 1.536862] ACPI BIOS Error (bug): Could not resolve symbol [\_TZ.TZ00._TMP.ECPU], AE_NOT_FOUND (20190703/psargs-330) [ 1.536928] ACPI Error: Aborting method \_TZ.TZ00._TMP due to previous error ...
Grigoriy Grybyniuk's user avatar
7 votes
0 answers
3k views

unrecoverable failure in required component org.gnome.Shell.desktop

A laptop with a fresh installation of 18.10 would not boot to the desktop. Subsequently, I started with options and viewed my logs (journalctl -p err | grep gnome) and saw this message produced for ...
Kelvinator's user avatar
7 votes
1 answer
4k views

A start job for dev-mapper-cryptswap.device is never ending

I again have problems with my swap. I using an encrypted swapfile. It worked until i rebooted my PC. When im trying to boot it is just showing this: I disabled my swap in the recovery mode for now. ...
Marco21's user avatar
  • 86
7 votes
0 answers
7k views

Has the bootoption "acpi=noirq" any disadvantages in permanent use? Help me with debugging acpi pls

I am using Ubuntu for a while now and I have an average knowledge of it, I thought so ;), but have a problem I cant solve alone. I did a lot of research, but now I cant find an other solution and I ...
Carsten Neuner's user avatar
6 votes
0 answers
120 views

How to switch to English in BusyBox?

my computer goes to busybox and (apparently) the keyboard is stuck on hebrew, therefore, i can not enter lowercase english letters and hebrew coms out as squares, how can I switch to English?
מתן פלג's user avatar
6 votes
0 answers
6k views

Ubuntu 22.04 / Linux kernel 5.15.0 freezing on laptop with 1st gen Core i5, Intel graphics (ThinkPad T410)

Lenovo ThinkPad T410 with Intel Core i5 M 520 (1st gen), 4 GB RAM (no errors with MemTest86), only integrated Intel HD Graphics. BIOS is updated. When booting up an Ubuntu 22.04 USB drive on this ...
dick's user avatar
  • 101
6 votes
1 answer
3k views

Unsuccessful boot with Ubuntu 22.04 w/ HP Envy x360

With Ubuntu 22.04 the boot hangs showing 3 error messages: (1 of 3) A start job is running for Userspace Out-of-memory (OOM) Killer (2 of 3) A start job is running for Network Name Resolution (3 of 3)...
axyops's user avatar
  • 61
6 votes
0 answers
2k views

GDM3 not starting, where are the log files?

I am trying to build my custom distro based on impish x86_64 using debootstrap. I am not using any display drivers, only the generic ones included in linux-image-generic. I use systemd-boot as a ...
lorinet3's user avatar
  • 171
6 votes
2 answers
2k views

amdgpu: Unsupported power profile mode 0

I shutdown my computer today to try to boot it back up. I am getting the message: [6.043685] amdgpu 0000:04:00.0: Unsupported power profile mode 0 on RENOIR on a black screen. What is this and can I ...
Casper's user avatar
  • 61
6 votes
0 answers
687 views

Getting dm-event.socket error during booting of the machine

Getting following systemd error while booting up. The operation system is ubuntu 20.04LTS. This error could be preexisting (I upgraded the os 3 days back): systemd[1]: dm-event.socket: Socket ...
ayushi's user avatar
  • 61
6 votes
1 answer
14k views

Run python script in virtual environment on startup

I would like to start a python script from a virtual environment on startup. I have searched the whole forum and other sources but have not been able to make it work. The script should run at the ...
stekla79's user avatar
6 votes
0 answers
1k views

Unable to passthrough primary gpu in triple gpu setup. Ubuntu hangs on boot

I have recently built a system with 3 GPU's. Im trying to passthrough two gpu's to use them in vm's and use the third as host GPU. I have succsessfully been able to passthrough the second slot GPU ...
Andreas's user avatar
  • 61
6 votes
0 answers
2k views

18.04 Boot to black unless I delete $vt_handoff grub parameter, related to Nvidia drivers?

I started having problems booting after I tried to use prime-select for the first time to switch between my laptop's Nvidia GTX 960M and Intel graphics, using the same nvidia-390 driver that had ...
zygomycete's user avatar
6 votes
0 answers
7k views

Ubuntu 18.04 Boot hangs at PKCS#7 signature not signed with a trusted key

I had a working 16.04 working perfectly (but no bumblebee) and then upgraded to 18.04. Gnome was very laggy so I installed Unity and lightdm but it was still laggy. So I thought something was wrong ...
Jbrodog's user avatar
  • 61
6 votes
1 answer
11k views

Problem Loading UEFI:db X.509 certificate (-65)

file name: ubuntu-18.04.1-desktop-amd64.iso. currently windows 8.1 installed on my laptop. I am trying to install ubuntu from usb flash drive and created a bootable usb using rufus. When I boot from ...
Sami Hilal's user avatar
6 votes
0 answers
4k views

Warning: Failed to connect to lvmetad. Falling back to device scanning

I have been running Ubuntu 17 for a few months now, yesterday my network manager seems to have failed so I figured I would reboot and see if that solved it. When I boot I get the error in the title. ...
Jax's user avatar
  • 61
6 votes
0 answers
2k views

end Kernel panic - not syncing error when trying to install Ubuntu 18.04

I'm trying to install Ubuntu 18.04 on my system, but whenever I select Install Ubuntu it gives me the photo below. The computer currently has Ubuntu 16.04 on it, but that was to make sure the computer ...
Robert's user avatar
  • 61
6 votes
0 answers
2k views

Why does exec init work?

After booting into /bin/bash to fix a problem, why does init or /sbin/init fail, while exec init runs init and boots.
user avatar
6 votes
1 answer
4k views

Avoid Grub2 password protect on every boot?

I have set Grub2 password following this thread. It works fine but now it prompts for username and password every time I start or restart my computer. It's actually the first thing it does. Now, if ...
user633551's user avatar
6 votes
1 answer
2k views

Swap problems after upgrading from 14.04 to 16.06

After upgrading Ubuntu from 14.04 to 16.04 booting started to be very slow. It seems to be a problem with swap partitions. Bellow I attach some details. cat /var/log/boot.log [FAILED] Failed to ...
tomek's user avatar
  • 161
6 votes
3 answers
16k views

USB device connecting and disconnecting repeatedly

I was having some problems booting into Ubuntu. After trying to reboot for sometime, I eventually opened the 4.4.0-31 recovery mode. while it was booting into recovery mode, it said that /dev/ubuntu-...
Gautam Raghuvanshi's user avatar
6 votes
3 answers
3k views

Dell E6520 wont boot ubuntu unless plugged in on AC power

I've got a problem booting. Ubuntu 16.04 on my Dell E6520 laptop boots normally when plugged in. However, when booting on battery power it shuts down entirely. Sometimes it makes it as far as the ...
ak_'s user avatar
  • 61
6 votes
0 answers
3k views

16.04 Nvidia proprietary driver problems

On 16.04 xubuntu fresh install, I have an Nvidia Gtx 980 and an apple 30" 2560x1600 display, after installing proprietary nvidia drivers, I get two problems, the first, I can't log in during the ...
Nproblems's user avatar
6 votes
1 answer
2k views

boot XEN under UEFI-only BIOS

Is there a way to get XEN 4.4 booting from UEFI mode BIOS? My AMD64bit laptop does not support direct CSM/legacy boots. A nasty workaround has been to boot from a specially made USB pendrive with ...
Marcos's user avatar
  • 730
6 votes
1 answer
523 views

Cairo-Dock crashed my Unity desktop, is this possible?

I'm still new to using Ubuntu and learning more and more each day. The other day I formatted my hard drive and wiped the Windows 8 partition (never use it) and re-installed my Ubuntu install to start ...
user311280's user avatar
6 votes
1 answer
6k views

Boot fails(sometimes) after "Switched to clocksource tsc"

I am running on Ubuntu 13.10. I had worked on Ubuntu 12.04/12.10/13.04 and Linux Mint 13/14/15 both 32 and 64 bit versions. I have faced with the same boot problem in all of these distros. After GRUB, ...
Guray Yildirim's user avatar
6 votes
1 answer
13k views

Insmod error in grub: symbol not found:grub_realidt

I have a dual boot PC with Windows 7 and Ubuntu. I upgraded from 12.04 to 12.10 and then to 13.04 and since then I have not been able to boot because the PC goes into grub rescue with the error "File ...
stranger_anon's user avatar
6 votes
1 answer
301 views

How can I refresh/reinstall/clear/set-to-default my bootup process?

I'm currently having a problem with my bootup process that is growing progressively worse as time goes on: While booting, it does a few minutes of hard-drive reading. During that, instead of showing ...
Kzqai's user avatar
  • 553
6 votes
3 answers
1k views

ZFS doesn't allow me to follow kernels with updates

I installed ubuntu 20.04 sometime in june. by now I'm updated to ubuntu 20.04.1 LTS there's been a few kernel updates. end everytime I run updates Zsys tries to put new kernel version as the first ...
tatsu's user avatar
  • 3,107
6 votes
4 answers
705 views

Poor boot-screen after interrupted install

My install was interrupted because of a power cut. I recovered from it, using the command sudo apt-get dist-upgrade Now, I get a violet boot screen like normal, but the progress bar is shown as 4 ...
theTuxRacer's user avatar
  • 16.2k
6 votes
3 answers
5k views

After upgrading from13.10 to 14.04 screen on a laptop doesn't work but

First my laptop CPU/GPU is Intel Celeron N2815 (Bay Trail) and I am in dual boot with windows 8. I have upgraded from ubuntu 13.10 to 14.04 today through update manager. And after upgrading and after ...
Mlinko's user avatar
  • 85
5 votes
1 answer
2k views

Installing Ubuntu-22.04.1 on HP Envy Laptop Not Working

I have an HP Envy Laptop that previously had Windows 11 on it. However, I just got a new desktop and decided to switch my laptop OS entirely to Ubuntu for work related activities. I was able to ...
TeriyakiNinja's user avatar
5 votes
0 answers
361 views

increase boot partition size with encrypted disk

my disk is encrypted, but boot partition is by default 512MB how to increase boot partition? also how to increase boot partition during fresh new install? ubuntu 20.04
user1420275's user avatar
5 votes
0 answers
7k views

"Failed to start Network Name Resolution/Time Synchronization"

My Ubuntu 20 computer shut down when I wasn't looking, and now when I try tu turn it on the following messages appear over and over [FAILED] Failed to start Network Name Resolution. See 'systemctl ...
acupoftea's user avatar
  • 151
5 votes
1 answer
3k views

What is wrong with new upgrade

Recently i upgraded to Ubuntu20.04 Kernel: 5.4.0-26-generic This is the error msgs i get at every startup: [ 0.852002 ] Initramfs unpacking failed: Decoding failed [ 1.034932 ] integrity: Problem ...
Jatin Sarda's user avatar
5 votes
0 answers
10k views

initramfs unpacking failed: write error

I'm attempting to put Ubuntu on an old HP Pavilion zt1130, which has a Celeron i686 processor. I used an Ubuntu MATE 16.04 disk that was lying around. However, I got the error: initramfs unpacking ...
Micah Lindley's user avatar
5 votes
0 answers
710 views

ACPI BIOS Error and Ubuntu Freezing 18.04.3

I keep getting this error when Ubuntu boots ACPI BIOS Error (bug): Failure Creating [_SB.PCI0.XHC.RHUB.SS10. AE_ALREADY_EXISTS (20181213/dswload2-324 Then, if I click on settings or Mozilla it ...
Libertas_Invictus's user avatar
5 votes
0 answers
2k views

Ubuntu Kernel Boot very slow - time skip at "raid6: sse2x1 gen() 858 MB/s"

There is this time skip during kernel boot: Jul 19 14:07:02 deetabokkusu kernel: [ 2.874776] hub 1-1.4:1.0: USB hub found Jul 19 14:07:02 deetabokkusu kernel: [ 2.877993] hub 1-1.4:1.0: 4 ports ...
nucleus's user avatar
  • 51
5 votes
0 answers
10k views

grub2 not detecting pci-e nvme disk (in GRUB command line) old BIOs motherboard

I have an old motherboard that doesn't support nvme boot. I've connected nvme disk using a pci-e expansion card. NVME is detected in windows and Linux when booted up from old HDD. Since my ...
emaditaj's user avatar
5 votes
5 answers
10k views

Black screen after rebooting following upgrade to 18.10

To upgrade from 18.04 to 18.10 I executed the following commands: "sudo apt-get dist-upgrade" and "sudo do-release-upgrade" Upgrade proceeded normally until the system reached the reboot phase. ...
labnut's user avatar
  • 239
5 votes
0 answers
3k views

Lubuntu 16.10 freezes when booting up

My machine is a Dell Mini Inspiron 1018 running on Intel GMA 3150 (old integrated graphics) and it crashes/freezes when booting up. I did a fresh install of Lubuntu 16.10 32-bit; it installed without ...
user637626's user avatar
5 votes
1 answer
4k views

Keyboard Randomly Stops Working (Lenovo IdeaPad Y700-15ISK)

My Keyboard suddenly stopped working while watching youtube videos. The video stopped and the keyboard did not work anymore. Nothing happened when I typed. Also other keys like adjusting volume, ...
Adrians Netlis's user avatar
5 votes
0 answers
1k views

Can suddenly only boot with "nomodeset" (radeon, 16.04)

As of yesterday, I can only boot with the kernel option nomodeset. The only thing that happened before normal shutdown was an upgrade: Start-Date: 2016-11-26 00:09:51 Commandline: apt-get -y dist-...
Anpan's user avatar
  • 151

1
2 3 4 5
244