Questions tagged [lockup]

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Ubuntu Lockups - Ubuntu 23.10 Fresh Install

I am getting frequent lockups on Ubuntu 23.10. It's a fresh install. I have done extensive hardware testing and found no problems. No lockups on Windows when I run it (but would rather run Ubuntu). ...
Allen Crist's user avatar
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175 views

server locking up and repeating "watchdog: bug: soft lockup" error message

My ubuntu server has been having issues about every other day. It's locking up, I can't ssh in to it. When I connect directly I see similar error messages scrolling and I'm unable to get a prompt. ...
user3476463's user avatar
1 vote
0 answers
131 views

Why is CPU locking up?

Woke up this morning without a working computer. It had basically frozen, only on existing prompt still worked, and issuing "reboot" command didn't work. Strangely enough, things like ls -l ...
Eloque's user avatar
  • 111
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0 answers
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on lid suspend blank screen and irq messages on two lines

the messages are also in the journal. [drm:dal_irq_service_dummy_ack [amdgpu]] ERROR dal_irq_service_dummy_ack: called for non- implemented irq source, src_id=0, ext_id=0 [drm:...
pierrely's user avatar
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598 views

"Bug: soft lockup" - how to reboot/resolve with no physical access?

Our group's server (running Ubuntu 20.04.5 LTS) is currently stuck in a "BUG: soft lockup" endless set of error message (2 out of 88 CPUs are unhappy). However, the issue of the bug/soft ...
Bee's user avatar
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1 answer
955 views

Ubuntu 22.04 and 20.04 keeps freezing on Dell Vostro 3481

First time poster, and also a complete Linux noob (this is my first time ever trying to use/install linux), so please forgive any shortcomings in this post/question. Device Data: device - Dell Vostro ...
jreach's user avatar
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0 answers
51 views

Frequent Hard Lockups

I have suddenly (in the past couple of days) begun experiencing hard lockups on my laptop. When this happens, neither the mouse, keyboard, or display respond. This seems to always happen when I am ...
David Powell's user avatar
0 votes
1 answer
1k views

20.04.1 frequent freezes, hangs, or lockups?

A few weeks ago I clean installed 20.04.1 and at the same time I switched to the Brave Browser. As I was frequently experiencing my system freezing, and by freezing I mean I could still move the mouse ...
saltyeggs's user avatar
0 votes
1 answer
55 views

How can I stop audio from causing a hard lockup?

This is actually a half-continuation of an old thread, as I'm getting a very similar problem having fixed the last one for a few weeks, but I was recommended this site as a more relevant place to ask ...
ator-dev's user avatar
15 votes
7 answers
117k views

watchdog: BUG: soft lockup - CPU#6 stuck for 23s

I tried every solutions I found on google ... I can't find out why my server is crashing ... Aug 5 17:11:08 kernel: [ 2300.084576] watchdog: BUG: soft lockup - CPU#6 stuck for 23s! [VM Thread:4054] ...
Dr.Blamo's user avatar
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1 answer
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Soft lockup (freeze) on RPI 3 B and 64bit Ubuntu [closed]

I am running Ubuntu 64bit on my Raspberry Pi 3 B. There are several services running on that RPI but average system load is low. However, after some days, I get a "soft lockup". The RPI is ...
seb's user avatar
  • 109
1 vote
1 answer
238 views

Ubuntu 18.04 hard lockup

I am using Ubuntu (Mate specifically) 18.04 on 7 devices of the same type. They are all running with a similar configuration and are currently displaying some images and videos on the attached ...
Fozzy's user avatar
  • 11
1 vote
0 answers
189 views

ide-connected iomega zip drive freezes my system

I want to copy the data out of my old Iomega Zip disks while I still have the hardware to read them (and the disks themselves are still readable). To this end I dug out some old Zip drives and found ...
st01's user avatar
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1 vote
1 answer
3k views

What is the equivalent of Ctrl+Alt+Delete for when Ubuntu 18.04 locks up?

Occasionally Ubuntu 18.04 will freeze. In windows there is the Ctrl+Alt+Delete shortcut. What do you do in Ubuntu? Also, I saw that there were other questions like this, but it says they are ...
P Simdars's user avatar
  • 257
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0 answers
124 views

Ubuntu 18.04 does not shut down on ThinkPad T480s. [Errors: "ruc_sched detected stalls" + "hard LOCKUP on CPU"]

I bought a new T480s with preinstalled Win 10. I installed the windows updates (including bios and firmware updates) and then installed Ubuntu 18.04.1 (kernel 4.18.0-15-generic). I am unable to ...
Ativ Joshi's user avatar
2 votes
2 answers
12k views

Why can't any Linux version boot Ryzen 7?

I am trying to boot Ubuntu on a Dell with a Ryzen 7. I can't get it to boot because of messages about kernel soft lockups and such. After a while the CPU heats up a lot (probably from a loop.) I can't ...
Arush Agarampur's user avatar
0 votes
1 answer
381 views

Screen and Mouse Freeze - no way out - lubuntu firefox

The screen and mouse freeze using Firefox - Lubuntu. I've tried every key combination I can think of and nothing works. Is there a failsafe key combination to get out of freeze?
cybervigilante's user avatar
0 votes
1 answer
489 views

Ubuntu power off problems

My laptop are asus vivobook s430u with: I5 8250U 8gb ram 256 GB ssd 1 TB hdd Intel hd graphic 620 Nvidia mx150 Ubuntu 18.04 LTS Just installed ubuntu, I tried to shut down but it keep on ...
Blake's user avatar
  • 31
11 votes
1 answer
18k views

rcu_sched self-detected stall on CPU + watchdog: BUG: soft lockup - CPU#3 stuck for 22s

Being unable to ssh into a machine I connected it to a monitor and found the following: The machine is running Ubuntu Server 18.04 LTS and is a first generation 8 core Ryzen 1700. I've restarted the ...
Greg's user avatar
  • 298
0 votes
1 answer
524 views

Ubuntu won't boot when first booting with dual boot windows 10

After nearly five hours of sighs, I'm turning to you to get some help. Here's the situation : I just bought a refurbished MSI (like new) with windows 10 installed on it. Since there is not optical ...
Jeanne's user avatar
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1 vote
0 answers
213 views

watchdog: BUG: soft lockup - CPU#10 stuck for 23s! [Kworker/10:2:10578] [duplicate]

I just installed ubuntu 18.10 alngside windows 10. After the instalation completed and restarted this appeared on my screen. I am lvl 1 ubuntu user XD Thought someone here can help. Thanks!
tibu's user avatar
  • 11
1 vote
0 answers
181 views

Ubuntu randomly freezes

This has been an issue I have experienced since Ubuntu 14.04. I have attempted a number of fixes (lost track as I've literally tried 20+) all to no avail. It's completely random when it happens and ...
user2253120's user avatar
1 vote
0 answers
63 views

System Lockup on X399

I just finished an X399 build and tried to install Ubuntu 18.04, but about 20 seconds into the install it locks up. I tried the "try Ubuntu" and the same thing occurs even if you do nothing. Running ...
Noobuntu's user avatar
1 vote
0 answers
47 views

Ubuntu17.10.1 freezes on boot

I get message [ *] A start job is running for Hold until boot process finishes up (25s / no limit)_ the astrix is red. when I attempt to boot Ubuntu 17.10.1. Ubuntu 16.04.4 works System is a ...
Ghost Shadow's user avatar
1 vote
1 answer
174 views

Installed Ubuntu in an external drive connecting with USB 3.0. Ubuntu 16.04.1 wouldn't boot after installation

I have 1 M.2 SSD, and 1 2.5in SSD on my laptop. Attaching the 1TB 2.5in HDD in Syba SY-ENC25054 USB 3.0 to SATA 2.5" Hard Drive External Enclosure Case Windows 10 is installed on the first drive. The ...
mitea's user avatar
  • 11
0 votes
3 answers
4k views

Cannot shut down / restart Ubuntu 16.04

I have installed Ubuntu 16.04 with Windows 10 dual boot option. Everything works fine with Windows, but when I try to shut down or reboot the Ubuntu (Suspend works), then it never shuts down properly ...
E. Muuli's user avatar
  • 103
1 vote
1 answer
3k views

Ubuntu 16.04 (Xenial) multiple CPU hard lockup

I've been chasing this issue for about 6 weeks, ever since I upgraded to Xenial. Initially thought it was random, but found using USB serial adapters provoked the issue. Didn't matter if it was on ...
Terry Hardie's user avatar
1 vote
0 answers
45 views

Ubuntu 16.04 locks up when screen turns off [duplicate]

I have just set up a desktop box with Ubuntu 16.04. It is working fine, except it locks up when the display shuts off per system settings under brightness & lock. I researched this a little and ...
Steve's user avatar
  • 303
0 votes
0 answers
2k views

Initial Boot Lockup - "Started Dispatch Password Requests to Console Directory Watch"

Freshly installed Ubuntu 16.04-LTS from USB using mkusb-nox utility on a good linux system. During the initial boot of the machine after virgin system build, the boot sequence locks up at the ...
Luke Perkins's user avatar
1 vote
0 answers
2k views

radeon 0000:02:00.0: ring 0 stalled for more than 10492msec

I have recently (last 4 weeks) been encountering an intermittent graphics lockup, associated with messages like: radeon 0000:02:00.0: ring 0 stalled for more than 10492msec Dec 8 15:26:30 tinonee ...
David Duffy's user avatar
1 vote
2 answers
264 views

Computer lock up troubleshooting tips/solutions?

I am using an HP 15 Notebook PC with Ubuntu and my computer frequently locks up on a ridiculous level. It's usually at least a dozen times per day. I'm sure it's a hardware problem at this point but "...
Elijah White's user avatar
1 vote
1 answer
223 views

Shutdown errors on ubuntu 16.04.01 LTS

The following picture shows the errors:
kris's user avatar
  • 11
1 vote
0 answers
102 views

Ubuntu 16.04 Crashing

I recently switched from Windows 10 to Ubuntu and at least twice a day it crashes and I have to hold down the power button. I know it's not my computer's hardware that's causing it. System ...
Cairo Murphy's user avatar
5 votes
1 answer
409 views

After upgrading to 16.04 keyboard and mouse lock up at random times

After upgrading to 16.04 (from 14.04) keyboard and mouse lock up at random times, and then the only thing that I can do is to manually power cycle the machine. My machine is an older ACER with dual ...
user169954's user avatar
1 vote
1 answer
76 views

Trusty with Xenial kernel locks on boot. AMD A8-6500 APU [closed]

Tried installing the latest HWE on Trusty, but once installed I boot to a black screen and the system is unresponsive. Using GRUB I can successfully boot with the prior 4.2 kernel. System is an HP ...
Jaime's user avatar
  • 319
1 vote
0 answers
119 views

How can I diagnose a persistent whole-system freeze on Ubuntu 16.04?

I am running an HP Spectre 360 x2. I originally set up with Ubuntu 15.10 on it and ran perfectly for months. I installed Ubuntu 16.04 several days after the official release. Since then, my computer ...
Savanni D'Gerinel's user avatar
1 vote
0 answers
684 views

Not shutting down: CPU soft lockup (plymouthd) / self-detected stall on CPU

When I click Shut down in the system menu, it does not turn off but repeatedly shows the errors below. MMI watchdog: BUG: soft lockup - CPU#2 stuck for 23s! [plymouthd:4693] INFO: rcu_sched self-...
Jitendra kumar's user avatar
1 vote
1 answer
58 views

Thinkpad 11e Hard Lockup Using Multimedia Apps

Xubuntu 15.10 install on a Thinkpad 11e is locking up (entire system freezes) while using multimedia applications, or multimedia websites with Chrome. This has happened while playing games (OpenTTD, ...
BPugh's user avatar
  • 121
1 vote
0 answers
97 views

Lockup on logout or shutdown

just installed Ubuntu, looks good and can share things from MS windows partitions OK. However, get stuck when I try to logout (2 users setup) or shutdown. Can still get in remotely from another ...
brainforge's user avatar
1 vote
2 answers
118 views

Mouse locks up after period of no use

My gateway laptop mouse pointer locks after a while of no use. I am referring to built in touch pad. How can I shutdown without a mouse? How can I restart the mouse? How can I eliminate the problem? ...
lle's user avatar
  • 11
-1 votes
1 answer
212 views

15.04 to 15.10 upgrade locked up with cryptic screen

Running dual boot Windows with Ubuntu 15.04. I selected an upgrade to 15.10. The process seemed to run fine except for stopping occasionally to ask me to keep or overwrite certain configuration files ...
Jugito's user avatar
  • 1
1 vote
1 answer
47 views

Mouse and screen lock up

I have Ubuntu 14.04. At first the browser was all chopped up into long rectangles. And the mouse wouldn't work then the pointer disappeared. Now the mouse locks up and the pointer disappears and any ...
Lee's user avatar
  • 11
2 votes
0 answers
575 views

CPU hard lockup with Ubuntu Server 14.04 on AMD machine

I have the following workstation configuration with 64 cores: CPU: 4x AMD Athlon 6378 2.4GHz RAM: 128GB mobo: Supermicro H8QGI-F-O SSD: 2 x 512GB Samsung with software RAID-0 setup I am ...
petr's user avatar
  • 21
2 votes
0 answers
172 views

Lockups in X session, sth to do with stuck pageflips?

I'm having trouble with my X session locking up apparently at random. Everything stops responding except the mouse pointer. I can exit to a tty, but the screen goes blank for around 60s before ...
James's user avatar
  • 121
4 votes
1 answer
1k views

14.04 Desktop Unresponsive When Applications Minimized

Ive read quite a few very similar issues on here as what follows, though none match the exact symptoms Im experiencing. After a recent update, Ive noticed that when I minimize all my application ...
Todd's user avatar
  • 401
2 votes
1 answer
462 views

Why does my Ubuntu 14.04 desktop lock up when I do large data transfers between hard drives?

I am running Ubuntu 14.04 on a system that I built from parts. All software is up to date according to update manager. System details: Kernel is 3.13.0-39-generic GCC version 4.8 (i686-linux-gnu) ...
Superstash's user avatar
1 vote
1 answer
6k views

GPU lockup during Trusty Tahr 14.04 installation

I have a problem with Ubuntu 14.04 installation. I boot up the disc, it loads, then it takes me to a white empty screen and gets stuck for a while. After that terminal opens telling that my GPU has ...
Karolis Ryselis's user avatar
0 votes
0 answers
101 views

Ubuntu on AMD Laptop: cannot boot [duplicate]

Specs of my laptop are: processor: AMD E1-2500 graphics: Radeon HD 8240. Whenever I try to install linux in it, it gives some errors. In ubuntu's case, it does not boot, and the screen just goes black(...
khajvah's user avatar
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2 votes
0 answers
843 views

12.10 - GPU lockup [closed]

I just downloaded the Ubuntu 12.10 and i am trying to install on my laptop with Nvidia chipset, on previous version i was able to install on through nomodeset command and the i use to install later ...
sunil's user avatar
  • 21
1 vote
1 answer
220 views

Problems booting Ubuntu 10.10 with Nvdia GeForce 6600gt

I am quite new to Ubuntu and I already stumbled upon a problem. I run Ubuntu 10.10 Maverick Meerkat now and Install went fine, when trying to boot the screen popped black and I faced this message "gpu ...
Avanae's user avatar
  • 33