Do not use. This tag is in process of removal. If your software is freezing then you likely need to file a bug, as freeze problems are usually off topic here and will likely be closed.

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7
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1answer
588 views

How to troubleshoot random freezes, when alt+sysrq doesn't work?

How do I troubleshoot random freezes, where the system does not accept any input? I have a computer that used to run Ubuntu a few years back without any problems (I don't know wether any hardware has ...
5
votes
1answer
191 views

Debugging a crash when keyboard is not responsive

Ubuntu 14.04, Kernel 3.13 crashes very frequently, notably when using Firefox, Eclipse and VLC. The effect of the crash is: all USB devices stop responding if playing a video, it hangs up and sounds ...
4
votes
1answer
684 views

Unity freezes when closing or minimizing a window

On a very fresh install of Ubuntu 14.04, it sometimes happens that when I close or minimize a window, Unity freezes. I can not interact with the panel or any application, only move the mouse around. A ...
3
votes
1answer
3k views

How do I install the correct video drivers in a new install on a macbook pro 8.2 15"?

I have a macbook pro 8.2 15" (early 2011) and I have an issue installing Ubuntu. I have tried installing Ubuntu 12.04, 12.10 and 13.04. I have the same problems with all versions. I have tried both ...
2
votes
1answer
179 views

Desktop freezes regularly. Ctrl+Alt+F keys doesn't work

I've been running 14.04 on my work computer (Dell Latitude E6440) since last May with no issues. 4 or 5 weeks ago I upgraded to the 3.16 kernel and the newer X.org via the LTS Enablement Stack. ...
2
votes
1answer
130 views

after apt-get upgrade monitors freeze whenever I change something in 'displays'

Steps to reproduce: open Displays change anything, from resolution, to disabling or enabling one of the monitors. click Apply monitors freeze Sometimes I can still see the mouse movements. I can ...
2
votes
1answer
261 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) ...
2
votes
1answer
2k views

Random xubuntu 14.04 Xorg graphics freezes

I've got a fairly new Asus X550CC laptop with up to date xubuntu 14.04 on it. I'm using NVIDIA graphics drivers version 343.13. From day one I installed xubuntu on this machine I've been getting these ...
2
votes
1answer
1k views

13.04; frequent freezes under gnome-shell, gnome, unity

I just upgraded 12.10-->13.04 on my Dell Precision: Intel(R) Xeon(R) CPU E5-1620 0 @ 3.60GHz NVIDIA Corporation GT218 [NVS 300] (rev a2) (prog-if 00 [VGA controller]) I can login via gdm -- by ...
2
votes
1answer
1k views

cannot log into Ubuntu 12.04.1 LTS after startup

I recently installed 64bit Ubuntu 12.04.1 LTS on my Inspiron 1720 laptop as a dual-boot with Windows 7. When I boot up Ubuntu, it gets to the log in screen just fine but after logging in it gets ...
1
vote
1answer
66 views

Random freezing on UbuntuGNOME 15.10

I have a machine with a new installation of UbuntuGNOME 15.10 (64-bit), which has, in the last two days, frozen completely few times. By frozen, I mean that the desktop becomes completely ...
1
vote
1answer
31 views

Laptop sort of freezes during overnight playback using VLC

I'm not sure if this is a VLC or Ubuntu issue. I generally leave VLC playing overnight with a long playlist of files playing from my local NAS. More often than not, I'll wake up in the morning and ...
1
vote
1answer
93 views

Tracking down a random freeze?

Since updating to 15.10 on my Thinkpad T420, I've experienced random freezes periodically. Usually within an hour of using the laptop. It ran just fine on 15.04. I've tried looking at /var/log/syslog ...
1
vote
1answer
1k views

After update 15.04 to 15.10 just black screen on boot

On my Laptop (Acer 3820) I updated from 15.04 to 15.10 After the restart I just get only a black screen. At first you can see the ubuntu loading Logo, but after that just nothing. So I tried to use F1 ...
1
vote
1answer
102 views

Ubuntu 15.04 freezing completely

So I dual boot windows 10 and ubuntu 15.04 and whenever I boot up Ubuntu, after around 15 minutes or so, it will just freeze and i'll be able to hear the sounds and stuff but after another minutes it ...
1
vote
1answer
274 views

Ubuntu 14.04 randomly freezes after long periods and fails to reboot automatically (crontab)

For some time now I've been having problems with my ubuntu 14.04 installation on my assembled pc. The main component is the motherboard, an ASRock Q1900M Pro3, 4gb ram, and two pci sata controllers. ...
1
vote
1answer
104 views

Ubuntu installation freeze

I got this when trying to install Ubuntu 14.04.3 (x64) (tried with DVD and Flash drive): [ 3.280511] ACPI PCC probe failed. [ 34.929862] ata8.00: exception Emask 0x52 SAct 0x0 SErr 0xffffffff ...
1
vote
1answer
612 views

reboot and shutdown command freeze on my Ubuntu vivid 15.04

Every time I have to reboot or shutdown the display keeps on showing the image of Ubuntu with the dots that keeps on going. Even with command from the terminal. I have to press the button to power off ...
2
votes
0answers
682 views

15.10 freezes every 10 minutes

Every freeze is preceeded typically by the following sylsog entry. It is a gst_discoverer_discover call (one of several hundred recorded immediately before every freeze) as an example: Oct 20 ...
2
votes
0answers
158 views

Google Chrome slowdown after some time

I'm running Google Chrome on Xubuntu 14.04. After some time, maybe couple of hours or half an hour (I don't on what it depends) it's starting to freeze. It's almost impossible to use it, cause every ...
1
vote
0answers
45 views

ubuntu 15.04 Freezes Frequently on new hard drive

I just bought a new 1TB - Seagate 7200.14 Family Drive ( ST1000DM003) - and I'm experiencing a weird behavior after installing ubuntu 15.04 and copying my files to new drive. Ubuntu started to ...
1
vote
0answers
441 views

Ubuntu 15.10 freezes at purple startup screen

I had Ubuntu installed and wanted to remove Python 3. I accidently removed every Python version installed because I didn't know Ubuntu Desktop needs Python to run. I had to reinstall Ubuntu completely ...
0
votes
0answers
14 views

SSH freezes other processes

I'm running an Ubuntu 14.04 LTS, and somehow SSH seems to freeze some processes sometimes. For example, the file manager will not react anymore or Evolution (Mail program) will stop working - until I ...
0
votes
0answers
28 views

Crash X manually

I'm working on a the famous freezing of X server. I've already created a question about frozen X server detection As I don't have relevant answer yet, I'm wondering if anyone knows a way to ...
0
votes
0answers
41 views

Ubuntu 14.04 freezes when I reopen my laptop

I am dual booting Ubuntu 14.04 and Widows 7 on a Dell Latitude E6420. If I close the lid and reopen immediately I can move the mouse but nothing else: no keyboard function and I can't select ...
0
votes
0answers
210 views

Dell XPS 13 2015, Ubuntu 15.10 touchpad freezes after suspend

I have a Dell XPS 13 2015, qHD model running Ubuntu 15.10, kernel 4.2.0-18 and sometimes after suspend the touchpad refuses to work. Xinput no longer recognizes it, and the only way to get the ...
0
votes
0answers
121 views

Ubuntu 15.10 freezes during installation when asked “Write changes to computer?”

so when I try to install ubuntu 15.10 my computer freezes when the message "Write changes to computer". I'm installing it from a usb drive and I'm dual booting. My computer has high specs so its not ...
0
votes
0answers
45 views

Video freeze on Skype 4.3 (Ubuntu 14.04 LTS)

I bought a new Dell XPS 13 pre-installed with Ubuntu 14.04 LTS (mentioning this in case the problem might be related to hardware rather than software). I am new to Linux and all is working fine, ...
0
votes
0answers
59 views

Occasionally Ubuntu 14.04 64-bit freezes on my old Sony Vaio VPCEB32EN laptop

I have an old laptop Sony Vaio VPCEB32EN model (2 GB RAM, Intel Core i3-370M Processor 2.40 GHz, Intel HD graphics). I have removed the windows 7 OS and installed Ubuntu 14.04 64-bit since I wanted ...
0
votes
0answers
464 views

Strange freeze when loading IntelliJ IDEA Editor

Since about three weeks IntelliJ is freezing when I'm trying to load any project. It's the same with a new project too. It seems like it freezes the whole xserver - I can't interact with any ...
0
votes
0answers
94 views

Ubuntu installer freezes on Mac

I'm trying to install Ubuntu on an 11,5 Macbook Pro. I created a live USB (with dd) and booted to it without a problem. (Well, the Wi-Fi doesn't work, but that seems unrelated.) When I try to ...
0
votes
0answers
291 views

system freezes up but i can still move mouse

Sometimes the system will randomly freeze up and all i can do is move the mouse.I looked at several websites and a lot of them suggest pressing alt f1 or alt 1 or something like that, but the keyboard ...
0
votes
0answers
110 views

Why does my Ubuntu freeze reguarly?

There is a question on this site addressing what to do when Ubuntu freezes, but I'm more concerned with making sure it doesn't happen as often as it does. I'm on a T440p Thinkpad, and my computer ...
0
votes
0answers
94 views

PC Freezing After Resuming from Sleep

When I turn on my PC it will resume from sleep. Sometimes it will be 'frozen'. The time will be a few hours behind and the keyboard doesn't work at all. I can move the mouse. I can't use any keyboard ...
0
votes
0answers
181 views

What to do when Ctrl+Alt+F1-F6 fails?

Sometimes, while I'm working with my machine, my screen freezes. Most of the times, giving Ctrl+Alt+F1 and then Ctrl+Alt+F7 fixes the problem without any further action. Even if it doesn't, I can ...
-1
votes
0answers
39 views

Ubuntu Mate 15.10 suddenly freezed

After 1 or 2 hours working the system freezes and nothing works (i.e. mouse cursor, keyboard etc.). In which log file should I find the trouble and what is it could be caused by?
-1
votes
0answers
24 views

Ubuntu 14.04 freezes every few days (no errors)

now I know this has been asked before but I cannot seem to specify the reason why Ubuntu freezes. There is nothing regular I do that makes it freeze completely (mouse is moving) and everything else ...
-1
votes
0answers
34 views

Ubuntu 14.04 randomly freezes?

i'm quite new here! Just have a question, my ubuntu desktop randomly freezes sometimes, it can happen after 2 days or in just 2 hours. Sometime's it's completly frozen and sometimes I can move the ...
-1
votes
0answers
34 views

Xubuntu freezes intermittently, mouse still moves

At least once a day I'm having to reboot Xubuntu 15.10 because it freezes. When it freezes the mouse is still moveable but I can't click anything and the keyboard doesn't work. I'm usually using ...
-1
votes
0answers
23 views

after system crash in 15.10 no new install possible

i've installed ubuntu 15.10 on a new a i5 6400 machine. after adding some kxstudio repos and the new kernel update (dont know what really happend in which timeline) ubuntu started to get a lot of ...
-1
votes
0answers
14 views

System freeze when accessing USB drive

I recently did a clean install of Xubuntu 15.10. Whenever I plugin a USB hard or flash drive and transfer files from and to, my system freezes up almost completely, my network manager force closes and ...
-1
votes
0answers
41 views

ubuntu freezes after cold boot, force shutdown/reboot fixes issue

I am using ubuntu 14.04. recently I installed new 8gb ddr3l module(only). when I power up my laptop after some period of time (say 45min), It starts normally But freezes after around 30-40 sec. Now ...
-1
votes
0answers
53 views

Ubuntu 15.10 freezing (only mouse works)

I've been experiencing constant freezing with my Ubuntu. I've recently upgraded from 14.10 and now every time I have 3 or more programs running (Terminal, Sublime Text and Firefox for example) it ...
-1
votes
0answers
26 views

Ubuntu 14.04 random freeze

I am a newbie to ubuntu and I just installed ubuntu 14.04 on my desktop with a USB. As it is a new desktop without any other OS, ubuntu is currently my only OS. At install, it returned a message "ACPI ...
-1
votes
0answers
95 views

Ubuntu 15.10 Freeze

I have a system freeze that disables mouse and keyboard. Locks the monitor for about 45 seconds and then restarts. I have the code here from the syslog file that I extracted between freezes. I had ...
-1
votes
0answers
22 views

Ubuntu freezes with Qt App

Im trying to develop a Qt app in Ubuntu and sometimes (no different set of loaded resources between runs, and just Qt resources, like QThreads or QtGui), when running it, it just freezes the system... ...
-1
votes
0answers
38 views

Sudden Laptop Freeze without logs

Laptop: Dell XPS 13 (2015) Ubuntu 15.10 Kernel 4.2.0.23 (Latest) Minor Problem: Laptop suddenly freezes (when on battery). Full system freeze. Can't access tty1 as well. Major problem: syslog ...
-1
votes
0answers
90 views

Random freezes in desktop after fresh Ubuntu 14.04 LTS install

I've been experiencing random freezes in which the mouse often still moves but does not work. Cannot move from current workspace or do anything. I usually can do a Ctrl-Alt-F1 and reboot or restart ...
-1
votes
0answers
72 views

How to fix System Freeze?

I have been using Ubuntu occasionally over the last four months. Both 14.04.03 and 15.10 have had the same freezing problem during install; then after a successful install, during regular usage as ...
-1
votes
0answers
64 views

Gigabyte P55k v4 freezes randomly (non-reproducible) (14.04, 14.10 & 15.10)

Short version: Ubuntu freezes randomly in a non-reproducible way No input yields any results when in the frozen state, have to reboot Tried 3 different Ubuntu versions and 1 Mint, all with same ...