when the computer or an application is not responding

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75 views

Desktop environment hangs after upgrade to Fedora 24

After Upgrade from F23 via dnf system-upgrade, my computer boots fine to the login screen. But after logging into any desktop environment (GNOME, Gnome on Wayland, Cinnamon, Xfce) and starting an ...
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1answer
15 views

Ubuntu MATE LiveCD hangs during VirtualBox boot, weird screen displayed

I downloaded the Ubuntu MATE 16.04 liveCD, and when I booted it with VirtualBox, it hung, and displayed this screen: I modified it with my mediocre GIMP skills to make it easier to read If somebody ...
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0answers
37 views

Can't determine cause of a crash

I have a PC that is freezing periodically. Sometimes it will crash 2-3 times within a couple of hours, while other times it will go a few days. When the PC crashes, the screen, mouse, and keyboard ...
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0answers
42 views

GNU/Linux OOM (out of memory) freezes - solution ideas

Explanation While working with older machine with swap on and 2 GB ram, I frequently encounter behaviour well described as freeze: here, what is the best way to prevent out of memory oom freezes on ...
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0answers
8 views

My Dell Latitude freezes upon suspending if libvirtd/virtlogd is running

I've got a strange problem with my dell Latitude E6530: everytime I put it to suspend mode (closing the lid, as per Power Manager configuration) and the virtualization daemons (libvirtd and virtlogd) ...
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2answers
26 views

Keep system accessible in case of freeze

We run a small server (Ubuntu 14.04) solely for computing purposes. From time to time, a user will manage to consume enough memory to freeze the system. Last time, the culprit was a process that ...
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1answer
11 views

Enigmail 1.9.2 freeze when doing setup wizard [closed]

On my Linux Mint 17.3 Cinnamon in Enigmail Thunderbird's add-on, I've tried to add my pgp keys file with the setup wizard, after that the software crashes. From that time the setup wizard freeze when ...
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0answers
54 views

Antergos linux keeps freezing

By freeze I mean that only full reboot makes the system workable again. During the freeze the cursor is motionless, no keys are working (neither AltCtrlF1-6 neither capslock/numlock) and the music ...
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1answer
60 views

Fedora 23 hangs on reboot/poweroff [nvidia.ko NULL pointer derereference]

This seems to be pretty random, it's been happening for ages and I update everything pretty regularly. Sometimes reboot and poweroff works just fine, and pretty quickly. Sometimes it takes a while, ...
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1answer
88 views

Ubuntu 14.04, computer freezing

I have a problem with my netbook, it freezes frequently at random. Then it makes crunching noises and nothing helps except pressing the power button. It happens every 1-2 hours or so, during me ...
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1answer
69 views

debian / screen freeze but system working

I've recently installed a dual-boot Debian Jessie / Win10 on a 64bit tower PC, and I'm having serious issues with Debian's install. Out of the blue the screen/mouse/keyboard freeze, while the system ...
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1answer
46 views

Linux Mint OS always freezes when laptop is not charging

I'm using Linux Mint 17.3 OS on my HP Compaq nc6400 laptop. The OS always freezes after a while if I'm using my laptop without charging it but never does so if I'm charging my laptop while using it. ...
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40 views

Ubuntu 14.04 crashing when 2 monitors are plugged in

The title is pretty self-explanatory. Ubuntu 14.04 is crashing, but only if 2 monitors are plugged in. If I start my computer with just the main monitor everything works fine. What is weird is that ...
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0answers
262 views

Ubuntu 14.04 stuck on boot: blank purple screen. Can only kill power

I did some digging but couldn't find an answer to my problem. I'm a first time Linux user, when I turn on my laptop running ONLY Ubuntu 14.04 on it, 50% of the time it freezes on a blank purple ...
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1answer
63 views

Machine freezes once it hits swap space under heavy load

I encountered several crashes of my machine. Meanwhile, I can reproduce it when I start a program that fills up all memory. Once the system starts writing to the swap file, the system freezes and I ...
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0answers
40 views

Dell XPS8700 running Linux Mint freeze

I left the PC running over night and I woke up to find the system unresponsive. I verified the system log and this is what I found Syslog Details There are no logs after 05:35:11 The only ...
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1answer
57 views

Randomly Linux freezing on Acer Extensa

On my Debian and Arch keeps freezing randomly won't respond at all with keyboard, mouse or power button. I have to over ride by holding power button for 10 seconds to hard reset. I boot linux using ...
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0answers
105 views

How to restart script or reboot if FFMPEG / AVCONV get stuck?

I am using AVCONV to stream my webcam on Dailymotion, here is the command : avconv -f video4linux2 -s 853x480 -i /dev/video0 -f flv -b 800k -r 14 rtmp://publish.dailymotion.com/publish-dm/xxx I run ...
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1answer
123 views

Why linux system freezes and not recover from running out of RAM

I am running Ubuntu Desktop 15.10 on my machine with 4 GB of RAM and 4GB of swap. My understanding of Linux was, when it starts to run out of RAM, it will start killing processes to get some RAM back, ...
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1answer
72 views

What is the most probable cause of terminal freeze / unresponsive keys?

What is the most probable cause of terminal freeze / unresponsive keys? I'm a relatively new Linux user (2 yrs) and am still learning to use the command line. I have used xkill and similar commands to ...
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0answers
67 views

I think my hibernation image in the encrypted swap partition is corrupted?

I have a hard drive with the below partition layout. I can suspend-to-ram and resume as well as pass all the pm_test (without actually writing the image to disk). However, when I do the actual suspend-...
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2answers
70 views

How to prevent a process from hanging the computer?

A process can cause the computer to "freeze" for example when exhausting CPU or swap. Is there a way to prevent this from happening? For example by setting the max %CPU or IO MB/s that can be granted ...
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1answer
112 views

Need help with mcelog: random freeze on Ubuntu/Fedora/Win10

My newly built computer freezes randomly. When it freezes, it doesn't respond to keyboards or mouses, so REISUB or Ctrl+Alt+F1 (or F2, F3, etc.) are of no use. I had tried: different graphic card ...
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0answers
41 views

Windows directories keeps getting unmounted on two identical Red Hat servers

We have a pretty severe problem at my research center. I have, together with IT, set up an infrastructure like this: Users use their laptops at their desks. They all have a home-folder at a storage ...
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0answers
121 views

using left mouse button to move window can cause freeze (XFCE4/Ubuntu 15.10)

I use xfce4 under Ubuntu 15.10. Fairly often some action with my mouse causes the cursor to change into the closed hand icon and my session freezes in a useless state. When this happens the cursor ...
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1answer
63 views

Where is Alt+SysRq+r+e+u+i+b in /var/log/syslog?

My computer hangs after an hour of continuous use. I have to press Alt+SysRq+r+e+u+i+b to restart the computer. Where in the syslog can I identify when I restarted the computer so I can try to ...
0
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1answer
114 views

Why do I experience screen freeze?

I recently installed Kali-linux on my machine. Sometimes it freezes randomly (which means I can't do anything on the graphical interface but can switch to TTYs), leaving the following message in my ...
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2answers
1k views

Linux Kernel - Wacom Tablet (CTL-490DW-S) - Lockout

I'm a bit of a beginner with Linux and after trying to fix this over the last few days I've finally given up and need your help. I'm trying to use my new Wacom (CTL-490DW-S (Intuos DRAW)) drawing ...
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2answers
437 views

Got a brand new laptop with hardware still unsupported. Should I wait or return it?

So my parents offered my a Laptop, a quite good one judging by my other computers (for example my Desktop is still stuck on CDQ), and it is always sort of rude to return a gift in any situation, but ...
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0answers
54 views

Having a bad time installing Ubuntu

So, I recently upgraded my motherboard and processor. Windows was a real pain to me so I decided to go with Ubuntu. However, I ran into more than a few problems with my installation: When I tried ...
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0answers
140 views

My computer freezes after selecting an option in the gnu grub. What do I do?

My mom had a computer. She downloaded some music illegally, and now it doesn't work. I decided to try to install ubuntu on it (I made a bootable usb stick on another computer). The usb stick works ...
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1answer
138 views

Debian 8.2 computer freezing+crashing randomly

I have a Debian media server which seems to be crashing several times daily for no apparent reason at all. It simply freezes up, without restarting, until you manually restart it. I have uploaded the ...
2
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0answers
57 views

SSH freezes the whole computer when logging in

I am using a Debian wheezy mainly to play music and browse web as a shared computer. Problem is that all SSH connections freeze the computer for a moment when initiated. To be clear: all these SSH ...
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1answer
189 views

Too many tabs in Chrome causes whole computer to freeze

When I open too many (more than ~8/9) tabs in Chrome the whole GUI freezes and the mouse pointer doesn't move and the system responds incredibly slowly to keyboard input (~20s delay). I'm assuming it'...
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0answers
71 views

Live OS freezes while copying files

I was trying to backup many files (~10,000) from a hard drive on an OS-less notebook to an external 500 GB HDD, so I booted up the Fedora 22 Live XFCE spin using a USB, started the copy and after 5 ...
3
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1answer
199 views

How do you prevent system from freezing when memory is used up?

I've been running a process (gdb) that can easily use up all my ram and swap space. Every time that happens the whole system becomes very non-responsive and Xorg will barely update, I can't swith to ...
3
votes
1answer
222 views

Why is Nouveau working so badly for me? System keeps freezing

As an intermediate Linux user, I decided to try Arch Linux (having only experience with Ubuntu before, 3 years ago), and everything was going well until the part where I tried to get a graphical ...
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2answers
66 views

Dell Inspiron Running Debian shuts down with heavy usage

I don't know if this is a Debian problem or a hardware problem but the information is in Linux. I have Debian 6.7 installed on a Dell Inspiron 520 (AMD chip). I get the CPU info with less /proc/...
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3answers
148 views

Inability to switch to the console using Ctrl+Alt+F1 when Mint freezes

We have two completely different computers with Mint 17.2, one server Xeon with ECC memory and the other is laptop i7 with normal memory. Both have 8GB of RAM with default swap.Both are used to play a ...
0
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1answer
2k views

Kali 2.0 screen freezing

Every time when I try to power off or reboot my laptop the screen freezes and I have to force power off, because the is the only option left. From my experience I know that installing Nvidia card ...
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0answers
43 views

Laptop does not work without power source

Installed manjaro linux to the laptop today and discovered that it is not working with disconnected power source. Here is dmesg output: And upower -d: Manjaro 15.9, kernel 4.1.8, Cinnamon DE (if ...
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2answers
471 views

newly installed debian gnome 3 hangs at shut down

I have just installed Debian Stable with gnome 3 on my msi laptop MSI GS 60 2PC-247XFR, when I shut down or quit session the system just freezes, here is a quote from my syslog file: Sep 26 17:44:21 ...
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votes
4answers
679 views

How to log off when the desktop freezes?

Today I had an unexpected software failure. As I am inexperienced, I only managed to switch to the console using CTRL + ALT + F1 and then reboot using reboot. How do I properly log off if the desktop ...
3
votes
1answer
441 views

My Linux desktop freezes randomly. What to look for in logs

I have a newly installed Manjaro system and it works fine most of the time but it has frozen a couple of times randomly. What logs should look in (and what should I look for) to try to diagose the ...
0
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0answers
38 views

Elementary OS freezes on clicking reboot

I installed Elementary OS today next to Windows 10, It runs (even though I have to start it up using advanced startup options(grub not showing, but that's another problem)) but when I try to shutdown ...
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0answers
189 views

UI freezes when I open many tabs in browser

When I open many tabs on browser, UI completely freezes. In some cases I press Ctrl+Alt+F1 twenty or thirty times, after 15 minutes UI unfreeze, I switch to text terminal, kill browser and after that ...
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0answers
118 views

Fullscreen games locks desktop after minimizing (Bumblebee+Nvidia)

I have this problem on 3 Linux distros. I run games in full-screen and after minimizing them, The game freezes when I'm trying switch to other window, Screen (and resolution) stays frozen until I ...
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0answers
404 views

Debian Jessie randomly freezes

Was running debian 8 fine for about a month, suddenly yesterday it freezes constantly. Like really hard lockup to the point the reset button doesnt even do anything. The only thing Ive changed this ...
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0answers
77 views

How to throttle system resources during transfer from btrfs on file image on cifs mount?

I have a btrfs on a sparse file image (4TB) on a cifs mount of a remote NAS (Synology DS214) with zlib compression enabled. Transferring file from and onto the btrfs causes freezes of Linux (where it ...
2
votes
1answer
73 views

Vim pausing randomly for a minute or so at a time

I'm running Linux Mint Maya 13.2 on a laptop from a USB stick, and SSHing onto that install from my own work computer. When i'm editing a file with Vim, i keep getting a pause of about a minute where ...