Questions tagged [lockup]

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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 ...
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0answers
42 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 ...
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2answers
4k 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 ...
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1answer
83 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?
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1answer
391 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 ...
5
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1answer
3k 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 ...
0
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1answer
251 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 ...
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0answers
191 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!
2
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0answers
159 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 ...
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0answers
50 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 ...
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0answers
42 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 ...
1
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1answer
156 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 ...
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3answers
2k 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 ...
1
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1answer
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 ...
1
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0answers
42 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 ...
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0answers
1k 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 ...
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0answers
1k 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 ...
1
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2answers
160 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 "...
1
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1answer
210 views

Shutdown errors on ubuntu 16.04.01 LTS

The following picture shows the errors:
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0answers
97 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 ...
5
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1answer
394 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 ...
1
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1answer
63 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 ...
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0answers
116 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 ...
1
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0answers
600 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-...
1
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1answer
51 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, ...
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0answers
79 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 ...
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2answers
104 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? ...
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1answer
207 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 ...
1
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1answer
42 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 ...
2
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0answers
498 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 ...
2
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0answers
163 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 ...
4
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1answer
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 ...
2
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1answer
455 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) ...
1
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1answer
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 ...
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0answers
99 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(...
2
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0answers
837 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 ...
1
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1answer
216 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 ...
1
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0answers
34 views

System locks up at login after latest update on 12.04 [duplicate]

Possible Duplicate: I can't boot into a usable system after updates. What should I do? For starters, I am a noob when it comes to Ubuntu and Linux but I am hopeful that I have the light and ...
2
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0answers
447 views

Ubuntu 12.04 black-screen and totally freezes switch user [closed]

How to troubleshoot this issue is my question. I don't know how to go about this. I set up an account for my wife to use the computer for her homework. I log in automatically. She logs in and ...
1
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0answers
776 views

Mouse stops clicking after using wacom tablet in Ubuntu 12.04

I have a pretty old wacom tablet; a graphire 4 and it seemed to work well but I've encountered a problem where I start using it in photoshop, gimp or MyPaint (or even just hovering the stylus over, I ...
3
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0answers
427 views

Lubuntu 12.04 random lock ups - next steps? [closed]

Setup Lubuntu 12.04, XP dual boot ATI RS480 graphics Problem I get random lockups about once every 3 hours or so. Symptoms PC hangs with (typically) a small bar-code style square in top left ...
3
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1answer
5k views

Ubuntu locks up when swap full

I have a Ubuntu system running xfce and 2 GB RAM. I have a 1GB swap file which, when multitasking begins to fill up. When I have even a small amount of free swap, I have no issues, but the second the ...
0
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2answers
543 views

How do I stop my Emachines E443 system from freezing either at the login screen or right after I get in?

MAJOR UPDATE: I am no longer using Ubuntu with Wubi, because I like having only one OS on a PC at a time. But, it is running smoothly in VirtualBox 4.1.14, so I'm OK with 12.04 now. Thanks for trying ...
1
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3answers
473 views

Nautilus crashes

When I boot up ubuntu, the desktop is non-responsive (as in the desktop area, not unity etc, only what nautilus covers) and when I try and open nautilus it refuses to open. I have to kill it and then ...