Commonly used to refer to unresponsive computers. 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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12
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5k 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 ...
9
votes
2answers
826 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 ...
9
votes
1answer
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 ...
8
votes
5answers
1k views

ubuntu freeze when I plugged the power cable

I recently update the system(12.10) on my laptop and after that whenever I plug the power cable in to my laptop it freezes and has no function of the mouse or the keyboard. I have to reboot the laptop ...
8
votes
1answer
824 views

How to determine what happened and locate the problem when my system freezes?

Hello I had some freezes with my desktop. It is Lucid 10.04 on a Lenovo 3000 N200. System freezes completely. How can I locate the problem?
7
votes
4answers
9k 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 ...
7
votes
2answers
4k 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 ...
7
votes
2answers
3k 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 ...
7
votes
2answers
6k 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 ...
7
votes
2answers
2k views

Complete freeze on a Thinkpad T520 [closed]

Ubuntu 11.04 on my Thinkpad T520 has been randomly freezing every since I installed it. I asked the following question a long time ago but it hasn't really helped me: How do I debug when the system ...
7
votes
1answer
5k views

Ubuntu 13.04 screen freezing [duplicate]

I have some issues with my Ubuntu 13.04 upgrade. From time to time everything on the screen except mouse pointer freezes forever. Ctrl+Alt+F1 (and so on) still works: if there is animation on screen, ...
7
votes
2answers
4k 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 ...
7
votes
0answers
2k views

Ubuntu 13.10 keeps freezing frequently [closed]

I have a huge problem since I've updated to Ubuntu 13.10. Previously this problem did not occur with Ubuntu 12.04 LTS and later with 13.04 (though with 13.04 and 13.10 there's also a problem with ntfs ...
7
votes
0answers
6k views

Ubuntu 12.04 / 12.10 Randomly Freezing - nVidia? [duplicate]

Possible Duplicate: What should I do when Ubuntu freezes? My Ubuntu install frequently freezes, sometimes showing a black screen (not very common anymore - in my latest installs), some ...
6
votes
2answers
4k 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
6
votes
1answer
322 views

GDM causes freeze on a remote login server. (over 5,000 users)

I run an ubuntu FTP server in the company I work for, and we recently migrated over 5,000 customers to it. I created a jailed user / home folder for each customer and everything was running smoothly ...
6
votes
3answers
5k 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 ...
6
votes
2answers
815 views

Nautilus freezes when connecting to SSH server [closed]

I have several nautilus bookmarks pointing to SSH servers, so that I can easily access them. Out of nowhere this doesn't work anymore. When I open a bookmark or enter ssh://user@server in the location ...
6
votes
2answers
3k views

“System program problem detected” with apport-gpu-error-intel.py

My Ubuntu 12.10 was working fine, until a week ago when a software update was installed. Now, every two minutes, the computer hangs for a couple of seconds, and then an error message pops up saying ...
6
votes
3answers
2k views

Ubuntu 12.04 froze, requiring powercycle. What should I look / grep for in the logs?

This is not the first time that Ubuntu has froze. Last time, I checked 'recently updated files' in /var/log/ and /var/crash/ and the cause of the problem appeared to be 'LibreOffice'. Now, it has ...
6
votes
2answers
3k views

Mouse and Keyboard Freeze [closed]

I installed Ubuntu 10.10 today and have had mouse problem since. Symptoms: At some arbitrary point in time (frequency: 2-3 times per hour), the mouse and keyboard stops working for ever(may be). I ...
6
votes
2answers
2k views

Video freezes every few seconds

I have problems playing videos on my Ubuntu 10.10 machine. The video FREEZES every 20-25 seconds, while I could still hear the audio. I use Totem Movie Player (GStreamer) & have nVidia on-board ...
5
votes
1answer
593 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 ...
5
votes
2answers
2k views

Unable to shutdown/restart/hibernate

After I installed ubuntu 11.04, it wont shutdown nor restart, it just freeze, and I have to hold the power button in order to turn off my netbook. (It also happens on livecd) Can anyone tell me the ...
5
votes
2answers
2k views

Google Chrome causes system freeze

I'm using xubuntu 12.04, but google chrome always causes system freezes while I'm scrolling down a webpage or a drop down box pops out. It is quite strange that tty1 could not be switched but only ...
5
votes
1answer
2k views

How do you diagnose constant crashing issues?

My recent installation 10.10 on my laptop keeps freezing/crashing on start-up after working perfectly for one day. The system just freezes, like a screnshot, and a restart is required. It happens ...
5
votes
2answers
758 views

Why does 11.04 freezes randomly

We're running Ubuntu 11.04 on quite a few Dell machines, but I am noticing that on some of them (including mine) Ubuntu freezes on randomly. Normally when the screen goes to lock mode and you press a ...
5
votes
2answers
1k views

Random mouse freeze on boot

I've upgraded 8 computers to 11.04 from 10.10 through the standard update version process. Two are giving me problems with the UDB optical mouse being frozen upon boot, to either a login prompt, or to ...
5
votes
2answers
2k views

Investigating a system “freeze”

Am on Ubuntu 10.04.2 LTS Linux skiran 2.6.32-32-generic-pae #62-Ubuntu SMP Wed Apr 20 22:10:33 UTC 2011 i686 GNU/Linux My machine froze for the 5th time in 2 days. Had to reboot, and login to a ...
5
votes
0answers
137 views

How to do end task similar to that in Windows? [duplicate]

Possible Duplicate: What should I do when Ubuntu freezes? Sometimes Ubuntu freezes and I have no other option than to power off system directly. Is there some remedy or way like 'Ctrl + Alt ...
5
votes
0answers
824 views

Random Freezing [closed]

For several months I've been experiencing random freezing (usually once or twice a day) and have yet to find out what the problem is or how to fix it. The symptoms always are: Mouse and keyboard ...
5
votes
1answer
936 views

Why does ubuntu 11.10 freeze when playing video? [closed]

I run ubuntu 11.10 on i5 CPU with 4GB RAM nvdia geforce GTS 250 connected to widescreen tv (HDMI) When using vlc, xbmc or boxee to play movies the system randomly freeze, the audio is looping the ...
4
votes
4answers
6k 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 ...
4
votes
3answers
5k views

Trackpad Freezes often [closed]

I have newly installed Ubuntu 11.10 on my system and as soon as I start my system the trackpad freezes and I have to restart the system once again and there after every few minutes this keeps ...
4
votes
1answer
668 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 ...
4
votes
1answer
2k 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 ...
4
votes
4answers
11k views

How to Fix Firefox when it freezes completely after open it?

First time ever today Firefox Version 3.6.13 freezed for me on Ubuntu 10.10 64bit. I open Firefox normally but then nothing respond on the GUI.The only thing I can do is close it. When Closed I try ...
4
votes
3answers
2k 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 ...
4
votes
2answers
4k views

How do I force a secure reboot?

When my Ubuntu freezes, is there a way to force reboot other than to hit the hardware reset button on my computer in order to ensure as best as possible that I don't corrupt any hard drive partition? ...
4
votes
7answers
2k views

GNOME Shell 3.2 freezes on search [closed]

I have Gnome shell 3.2 and a gnome 3.2 theme installed. But when I use the search bar in Activities, gnome shell freezes and I am left with no other option except to restart the system. Is this a bug? ...
4
votes
1answer
121 views

What's the best way to effectively report bugs?

I've been trying to report a bug about Activities in Kubuntu causing me no end of grief with multiple issues ranging from annoying to total freeze/crash requiring hardware reset. I'm trying to follow ...
4
votes
2answers
211 views

Ubuntu 12.04 stuck at “reboot: Restarting System”

I know this has been asked multiple times before, but most of these threads don't have an answer. I tried user62664's solution here and ran sudo update-grub successfully, but nothing changed. This ...
4
votes
2answers
3k views

White blocking screen when put youtube in full-screen mode

I am using Ubuntu 12.04 LTS.. In most cases, when I put a video in a Full screen on YouTube (I am not using HTML5, I am using Flash Player), and when try to exit the full screen mode, I got my screen ...
4
votes
3answers
5k views

Random freezes, Radeon mentioned in the console [closed]

I try to run Ubuntu 11.10. I tried : 64 bits release 32 bits release live CD Ubuntu is freezing randomly... I don't know why. Mouse is freezing, screen go black then appear again, mouse is moving ...
4
votes
1answer
773 views

Problem with Ubuntu 12.10 and hardware [closed]

I have computer based on main board M4A785TD-M EVO. I am using graphics card from the main board. My problem - Ubuntu freezes and it should be restared by either shutdown or by resent button. No key ...
4
votes
1answer
787 views

Resizing a window freezes the entire system

I have just installed Natty on an Intel Celeron single core CPU with 1 GB RAM without a 3D graphic card and Natty is running on Classic Desktop instead of Unity. I have to force turn off and restart ...
4
votes
2answers
493 views

How are USB ports related to the computer power, and why would they cause my computer to freeze?

I have an issue with my new Toshiba laptop. Whenever I plug in an external USB device, if the laptop is not plugged in to the wall, the laptop freezes. However, nothing happens if the laptop is ...
4
votes
1answer
3k 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 ...
4
votes
2answers
1k views

Whole computer freezes randomly when playing using Wine [closed]

The problem is that when I play GTA: Vice City or San Andreas, for example, the computer may freeze. It happens randomly, I can play several times for half an hour a day and don't get the freeze and ...
4
votes
1answer
207 views

Unity side bar freeze bug [closed]

I just installed ubuntu 11.04 and the side bar of the unity interface tends to freeze after a certain period of time and I can only fix it by restartyng the computer. What is the cause? or is it just ...