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Questions tagged [freeze]

A freeze or hang is when the system becomes unresponsive for some period of time. This may relate to memory usage, graphics issues, or something else. If you are having this problem, be sure to include details of your hardware and configuration in your question.

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What should I do when Ubuntu freezes?

All operating systems freeze sometimes, and Ubuntu is no exception. What should I do to regain control when... just one program stops responding? nothing at all responds to mouse clicks or key ...
ændrük's user avatar
  • 77.2k
173 votes
11 answers
357k views

How can I restart GNOME Shell, after it freezes or becomes unresponsive?

Sometimes, my GNOME Shell freezes. I can see (hear) background processes working (playing music), but I can't do anything in GNOME. No Alt+F2 followed by R and Enter. I can switch to console using: ...
jk_'s user avatar
  • 1,839
103 votes
8 answers
83k views

Computer freezing on almost full RAM, possibly disk cache problem

The problem I think is somewhat similar to this thread. It doesn't matter if I have swap enabled or disabled, whenever the real used RAM amount starts going close to maximum and there is almost no ...
Krišjānis Nesenbergs's user avatar
97 votes
6 answers
183k views

Ubuntu 15.10 and 16.04 keep freezing randomly

This issue i had it with 15.10 and it's still here after the 16.04 upgrade. The whole system freezes, no keyboard/mouse input works anymore. I tried a variety of keyboard combinations (found on the ...
user avatar
73 votes
12 answers
43k views

Ubuntu is quickly running out of RAM, and my computer is starting to freeze. What command will solve this?

It happens pretty often to me when I am compiling software in the background and suddenly everything starts to slow down and eventually freeze up [if I do nothing], as I have run out of both RAM and ...
Anon's user avatar
  • 12.1k
72 votes
9 answers
74k views

System freezes/unresponsive/unusable when copying large file to USB

Yesterday I was copying a single, 8 GB file to a USB with a slow, 7 MB/s write speed, while my RAM is 3 GB. While copying the system froze, to the point where I couldn't even move the cursor. I ...
sashoalm's user avatar
  • 5,171
51 votes
3 answers
102k views

Ubuntu freezes. Which logs can I check out?

So my computer has lately started freezing completely when I run some programs that, in the past, would work great. What I am unsure about however, is what logs that are available to me that could ...
Industrial's user avatar
  • 1,698
48 votes
9 answers
28k views

Ubuntu 19.10 freezes and lags reguarly

Since I upgraded to Ubuntu 19.10 my system freezes/lags regularly. The mouse, keyboard and screen are completely stuck, after a few seconds it "unfreezes" again. Sometimes it repeats the input I did. ...
Philipp's user avatar
  • 777
44 votes
11 answers
133k views

Ubuntu 18.04 lts freezes while in boot, in wndows Virtual box. Solution?

I am Using Ubuntu in Virtual Box.. the Host OS is Windows10 with dedicated intel's Graphics. I have reinstalled twice, probably this starts due to sudden shutdown or some reason. Dnt know whats the ...
Battleseeker_Rex's user avatar
39 votes
5 answers
23k views

Making youtube fullscreen will freeze Unity (the whole desktop)

I never had this problem until today. When I watch a youtube video everything is fine, until I make the video fullscreen. It actually continues to play perfectly when fullscreen, but when I then exit ...
user717572's user avatar
38 votes
8 answers
81k views

How can a frozen/locked-up program/app be closed?

I am using Ubuntu 12.04.1 LTS Desktop. My son and I are playing games on GCompris and several modules freeze/lockup. When it does, I don't know how to close the program. I know in Windows I ...
Kobur's user avatar
  • 381
38 votes
3 answers
28k views

Running any Chromium based browser in Ubuntu 22.04 freezes

So I'm running Ubuntu 22.04, my main browser is Brave which is chromium based but I have replicated this issue successfully in Chrome as well: Browser runs fine. Download content - this opens up a ...
cortisolblue's user avatar
37 votes
2 answers
97k views

What do I do if Ubuntu 16.04 freezes, but I can move only the mouse? [duplicate]

I sometimes experience whole Ubuntu freezes (from 14.04 to 16.04, I upgrade by a clean installation), just mouse can move (that's why this question is different from others). I think this is caused by ...
aleskva's user avatar
  • 1,667
31 votes
9 answers
64k views

Ubuntu 18.04.2 boot stuck on purple screen after updates

Summary of Issue Last Friday, I installed updates to Ubuntu 18.04 with sudo apt-get update && sudo apt-get upgrade. Some of these updates required a restart. Upon restart, after GRUB, boot got ...
leizmonk's user avatar
  • 413
30 votes
1 answer
109k views

Freeze after login Ubuntu 18.04 [duplicate]

Before the upgrade I was using gnome on Ubuntu 16.04 with lightdm and it worked fine. After upgrading to Ubuntu 18.04 I switched to gnome gdm3. On the first day I could login to my user account, ...
L. Klimas's user avatar
  • 303
24 votes
2 answers
17k views

Laptop freezes after connecting external monitor, since 16.04 update

I have a Zenbook UX303U with integrated Intel HD5000, and using an external monitor worked fine until I updated to Ubuntu 16.04LTS this weekend. Now, when I plug my second screen and then move the ...
Louis-Rémi's user avatar
24 votes
5 answers
21k views

Firefox is freezing Ubuntu, how should I go about debugging it?

I am running Ubuntu 16.04 and Firefox freezes my system about once a day. I know it is Firefox because my system works fine with Chrome. The same freezes occurred when running Firefox from live USB ...
Trevor's user avatar
  • 341
24 votes
5 answers
38k views

Ubuntu 20.04.3 LTS very often freezes randomly and does not recover without force shutdown

I am running Ubuntu 20.04.3 LTS x86_64 on Intel Core i7-9750H, GTX 1650 (mobile?), 16GB RAM, NVME m.2 SSD and I do not have any other operating systems installed. Since this Wednesday (25 Aug 2021), ...
undefined's user avatar
  • 398
22 votes
7 answers
39k views

Ubuntu 14.04 frequent mouse freeze

I recently installed Ubuntu 14.04 alongside Windows 7 on my Asus (i5 core and 8GB Ram). I experience frequent freezes of my screen. I cannot move the mouse, but I can use the keyboard. When it ...
FlyingTeller's user avatar
21 votes
5 answers
31k views

Ubuntu 14.04 Screen Freezes Randomly with NVidia and it is possible to fix with Ctrl + Alt + F2 then Ctrl + Alt + F7

I use Ubuntu 14.04 on my Asus N550JK laptop and have NVidia GeForce GTX 850M graphics card. The problem is that screen keeps randomly freezing while performing everyday tasks. When the screen freezes ...
Kodin's user avatar
  • 487
20 votes
1 answer
12k views

Why does my 'Caps Lock' diode blink when my system freezes?

I noticed a peculiar behavior of my Ubuntu 13.04 (although possibly it's also present in previous versions): when my system freezes completely (I do not ask for troubleshooting this) so that even X ...
Rafał Cieślak's user avatar
19 votes
7 answers
34k views

System freeze after suspend

Since I installed Ubuntu 16.04 my laptop (HP Probook 450 G2) has issues waking up from suspend. Rarely it manages to properly wake up from suspend, but mostly the screen either stays black or it turns ...
tepsijash's user avatar
  • 381
17 votes
5 answers
18k views

Ubuntu 16.04 - VirtualBox 5.0 - Host crashes

Without performing any update, suddenly today when I tried to power on a VM in VirtualBox, the host machine (running Ubuntu 16.04) freezed. I tried couple of times and the problem keep repeating. I ...
Sanosay's user avatar
  • 431
17 votes
1 answer
11k views

How to diagnose random freezes?

Ubuntu always seems to freeze in the first ~15 minutes of when it's booted on my machine. Sometimes it's in the first 5 minutes, sometimes it takes 30 minutes, occasionally it never happens... I can't ...
user541686's user avatar
  • 4,207
17 votes
1 answer
3k views

Ubuntu 22.04 won't wake after screen lock / screen dim

I have a fresh installation of Ubuntu 22.04 and it won't wake after screen lock. This is true for both, X11 and Wayland (also disabling Wayland for gdm3 doesn't help). System suspend works fine, only ...
Leszek's user avatar
  • 3,009
16 votes
2 answers
50k views

Why is my terminal freezing up?

Sometimes when my terminal freezes up and it will not let me type. I can not identify any causes, nor how to diagnose. Any suggestions? Thanks! GNOME Terminal 2.30.2 on Ubuntu 10.04
David LeBauer's user avatar
15 votes
4 answers
32k views

How to recover from GNOME 3.2 freeze?

I have Ubuntu 11.10 installed and am using GNOME 3.2. I am left with no other option than to restart gdm or to reboot the system, when GNOME freezes. GNOME freezes at times when resuming from suspend ...
Vivek's user avatar
  • 3,769
14 votes
1 answer
54k views

Ubuntu 14.04 LTS randomly freezes (graphics/unity only) [duplicate]

When I'm just chilling on the desktop or doing whatever, Ubuntu 14.04 LTS will (every 10-20 minutes or so) just randomly freeze. The screen just stops, I can't see my mouse move, etc. However, I can ...
Noel's user avatar
  • 241
14 votes
4 answers
7k views

Ubuntu Studio 20.04 freezes everything but mouse after lid closes and opens

(¿Could anybody please bounty this? I have been having this issue since march) As title says; I recently installed Ubuntu Studio 19.10 Eoan (Now upgraded to Ubuntu Studio 20.04 Focal Fossa, still ...
SashaNeedsHelp's user avatar
14 votes
3 answers
20k views

How do I diagnose Hang on Shutdown?

Since one or two months ago, my laptop with ubuntu 12.10x64 hangs during shutdown. There's just a black screen, no harddisk activity, it justs sits there. I feel it happens near the end of a normal ...
Christoph's user avatar
  • 3,118
13 votes
5 answers
4k views

Problem with USB mouse in Ubuntu 16.04

Since I have Ubuntu 16.04 have not had any problems with the PS2 mouse, but a week ago I placed a new mouse USB. This mouse freezes randomly (Sometimes while I am using the PC and sometimes this ...
zesqui's user avatar
  • 141
12 votes
2 answers
9k views

13.10 hangs on waking from suspend except when suspended from console

I know waking from suspend is an issue, but this looks like a separate bug. When I suspend 13.10 on HP Pavillion dv6 (AMD 6770M/fglrx 13.10.10) from x, it suspends normally but freezes when waking. I ...
Pavel's user avatar
  • 1,456
12 votes
4 answers
14k views

Ubuntu 20.04 Everything freezes except for mouse pointer

Computer worked fine for a couple of weeks. Hardware specs: CPU: AMD Ryzen 9 3900X 12core Memory: 64GB Corsair GPU: Sapphire Radeon RX 5500 XT NITRO+ 8GB Motherboard: ASUS ROG Strix X570-F GAMING ...
andrsv's user avatar
  • 131
12 votes
4 answers
6k views

Ubuntu 22.04.01: freeze-ups on refreshing from locked screen

After I upgraded to Ubuntu 22.04.01 last week, I have occasional freeze-ups on refreshing from a locked screen. My lock-screen requires my password to complete the re-opening. The freeze-ups occur ...
Richard Silbar's user avatar
12 votes
5 answers
6k views

Ubuntu 17.10 keeps locking up and freezing. Mouse and Keyboard input doesn't work as image on screen is frozen. Help!

I got an Ultrabook 2 weeks ago, cleared out Windows 10 and installed Ubuntu 17.10. UI and system are great, but it keeps freezing on me, and I was forced to hold the power button to shut it down. I ...
William Kwan's user avatar
12 votes
0 answers
6k views

Ubuntu keeps randomly freezing [duplicate]

Possible Duplicate: What should I do when Ubuntu freezes? My Ubuntu 11.04 installation keeps randomly freezing. I can't really find a pattern in when it happens. First the cursor starts lagging ...
RobinJ's user avatar
  • 8,950
12 votes
1 answer
2k views

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

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 ...
Tobias's user avatar
  • 1,638
11 votes
1 answer
10k views

What is an ACPI GPE storm?

Just experienced a system freeze (no touchpad, no keyboard, screen looked normal), Alt/SysRq/REISUB didn't work, had to press the start button. In /var/log/kern.log I find: ACPI: EC: GPE storm ...
Tinellus's user avatar
  • 533
11 votes
4 answers
4k views

Alt-tab crashes gnome classic desktop (12.04)

I have a fresh install of ubuntu 12.04 and noticed alt-tab wasn't working. I followed some advice and installed compizconfig settings manager, wherein I checked Application Switcher. Then alt-tab ...
rmp251's user avatar
  • 1,181
11 votes
6 answers
13k views

Ubuntu 14.04 Display Freezes Occasionally

I recently installed Ubuntu 14.04. I have an NVIDIA GeForce GT 540M (1GB) graphics card, and I noticed the open source Nouveau display driver was returning error code -16 on suspend, causing the ...
Mack's user avatar
  • 259
10 votes
4 answers
40k views

Ubuntu 18.04 installation problem

I'm trying to install Ubuntu 18.04 from flash disk on my laptop (Asus x550j) but each time it freezes at the "updates and other software" page. I tried different ways: normal install, minimal install,...
shambakey1's user avatar
10 votes
3 answers
9k views

How do you handle unity freezes?

This is a question in general. Sometimes when using Natty, the interface freezes like the keyboard works but the mouse does respond. In which case pressing Ctrl+Alt+F1 puts me at the terminal. However ...
nik90's user avatar
  • 12.7k
10 votes
1 answer
5k views

Ubuntu freeze when low memory

My ubuntu server worked for one month without any problem. But last week I had started to use programs that require more memory. And when free memory is around 100MB, system completelly freeze. I cant ...
user1247373's user avatar
9 votes
2 answers
6k views

Distribution upgrade frozen at "flashplugin-installer: downloading http..."

I have just started to upgrade from ubuntu 11.10 to 12.04, which I was at the library for... And when it got to 10mins remaining on "installing the upgrades" and the library closed, and now the ...
Kingraticus Pie's user avatar
9 votes
2 answers
13k views

How do I get my USB keyboard to not freeze up in the recovery menu? [closed]

I am using Ubuntu 11.10, and whenever I enter the recovery menu, my keyboard freezes and I can't make any selections. I have tried using GRUB_PRELOAD_MODULES="usb usb_keyboard" but this doesn't help ...
Blanko2's user avatar
  • 101
9 votes
2 answers
1k views

How to recover unbootable system?

I have just run the most recent set of recommended updates on a 10.10 system. The computer is now un-bootable. It gets as far as the "Ubuntu..." splash and then does nothing. I cannot switch to a ...
z5h's user avatar
  • 193
9 votes
1 answer
2k views

Gnome Shell related JS errors seen in syslog file during investigating system freeze

I'm using Ubuntu 20.04 LTS (upgraded from original install of 18.04.4 LTS) on an HP Eitebook 2560 Intel Core i5 Trying to investigate a system issue where the UI became unresponsive at the lock ...
Syed_A's user avatar
  • 91
9 votes
1 answer
2k views

How do I debug xorg/fglrx related system freezes on Ubuntu 12.10?

My brand new system is randomly freezing and I don't know how to debug the issue. System: AMD A10-5800k Asus F2A85-M motherboard Integrated Radeon HD 7660D 8gb Samsung ddr3 1600 Ubuntu 12.10 Gnome ...
racerror's user avatar
  • 141
9 votes
0 answers
1k views

Dell XPS 9320 occasional freezing in Ubuntu 22.04 (GPU HANG: ecode 12:0:00000000)

I've installed a stock minimal install of Ubuntu 22.04.1 LTS and I get occasional freezes where the display locks up for about 15-30 seconds and then resumes. All inputs through keyboard and mouse are ...
Avanish Subbiah's user avatar
9 votes
1 answer
4k views

20.04 restart frozen gnome

With fresh-installed 20.04 sometimes I get almost completely frozen GUI. Almost completely -- I mean I can not do Alt+F2 and r. And while the mouse pointer still moves, the system does not respond to ...
Sergey K's user avatar
  • 411

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