Ubuntu :: Applications Hang And System Freezes?
Jan 28, 2011
I am running Ubuntu 10.10 on a Lenovo Thinkpad T61p with 2GB RAM. When I was on Ubuntu 10.04, one day suddenly Azureus hung at the 'loading plugin' screen as it begins. I had to hard reboot my system and it(Azureus) never worked after that so I removed it. Then after a couple of months same thing happened with Adobe Acrobat reader. As soon as I opened any pdf and started to scroll, it hung. System didn't respond and had to hard reboot. I moved to foxit reader Then I upgraded to 10.10 and now mplayer hangs occasionally if I try to switch it to full screen. System stops responding totallyn Where to begin debugging from ? I can't figure out any pattern or any way to reproduce it. I haven't tried Acrobat reader and Azureus on 10.10
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Mar 3, 2011
I have openSUSE 11.3 with GNOME desktop.
I start up the machine and face the following problem after some time passes.
1. applications are loosing top bar containing buttons for closing, maximising minimising. they hang up afterwords.
2. i was downloading using firefox and found that instead of downloading files to download folder it is downloading in root. i tried to move files from root to other folders but it is giving "permission denied" message. Later i noticed it has lost all its history, bookmarks.
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Sep 12, 2010
Acouple of times now, my computer has frozen while I had firefox and eclipse open. when i restart it, firefox will not run because it is under the impression that it is already running; eclipse will start up, but does not allow me to access the necessary workspace because it is under the impression that it is still in use. how can i get rid of these problems? i tried pkill for firefox, but it does not show up on the list of processes running...
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May 26, 2011
I have installed Ubuntu 11.04 Natty Narwhal. I'm using the Gnome desktop (Ubuntu Classic) instead of Unity.
My problems is, when I launch certain applications, most of the time LibreOffice ones, Ubuntu desktop freezes.
When this happens the desktop becomes unresponsive to the keyboard. However the mouse pointer can still be moved around. Everything on the screen will freeze including panels and their items.
This happens only when an application launches.
I have already set up a shortcut key combination so that Ctrl + Alt + Backspace will perform a session restart. But when the above mentioned problem occurs, shortcut keys do not work (so I can't just do a session restart). So there's nothing to do other than restarting the laptop by holding the power button down.
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Jun 21, 2011
After installing and activating "ATI&AMD proprietary FGLRX graphics driver" ;in Ctrl+Alt+F2" mode, do following steps:sudo pidof X (to get pid number)sudo kill xxxx (xxxx is the pid number)Then , system hang up!If the FGLRX driver is not installed , there is no such problem
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May 1, 2011
I have upgraded to 11.04 all seems well except that now the two machines I have upgraded frequently hang while the screensaver is running. (with unity desktop). Is someone working on this? Gateway t-series notebook and a dell mini 9 netbook that are hanging. The netbook seems to be hanging the most.
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Aug 4, 2009
I am running fedora 10 on my laptop. I use a usb Western digital "MyBook" 500Gb (ext3). I am using this hard drive since more than 1 year now. Lately I run into a single problem when I read a precise file. The laptop becomes totally unresponsive and I have to manually shutdown the computer. After start-up I can find that the /var/log/message file of my previous session has grown very quickly with "[sdb] Sense Key : No Sense [current]" and "[sdb] Add. Sense: No additional sense information" messages.
I found various similar question on the web, most of the answer were hardware dependent and kernel related. I tried various kernel hoping that my specific problem would be fixed in the next one but with no success (all the kernel since fedora 10 release and two testing one: 2.6.29.5-84.fc10 and 2.6.29.6-93.fc10), I don't have access to a Fedora 11 machine.
I replaced the usb cable and check that the power supply was working correctly.
I am joining part of /var/log/message and the results of lsusb (related to the external hard drive).
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Feb 4, 2011
i am working on a client server real-time gui application written in C++ for Redhat. There is an issue with this application that it makes the system hang. i am not able to sort out the issue as it happens randomly. Sometimes with in half an hour it makes the system hang, sometimes it takes 4 or 5 hours when it receives realtime data. Is there any way to debug this issue. I tried valgrind..but it was not of much use..
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Feb 4, 2011
i am working on a client server real-time gui application written in C++ for linux os. There is an issue with this application that it makes the system hang. i am not able to sort out the issue as it happens randomly. Sometimes with in half an hour it makes the system hang, sometimes it takes 4 or 5 hours when it receives realtime data. Is there any way to debug this issue. I tried valgrind..but it was not of much use.
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Dec 16, 2010
My system hangs within a few minutes after I turn on the Intel Pro/Wireless 2915ABG interface built into my motherboard or if I boot with the interface turned on. I have been having this problem for a couple of years and tried to fix it myself from time to time. (I think that I even asked for help in the Forum once.) The wireless interface used to work fine with Ubuntu and I kept hoping that the problem would "magically" disappear with each upgrade. I also read about the recent problems with ndiswrapper and similar interfaces. But this doesn't seem to be my problem. The entries in /var/log/messages just prior to the last hang were
Dec 15 09:09:47 periwinkle rsyslogd: [origin software="rsyslogd" swVersion="4.2.0" x-pid="824" x-info="http://www.rsyslog.com"] rsyslogd was HUPed, type 'lightweight'.
Dec 15 09:09:47 periwinkle rsyslogd: [origin software="rsyslogd" swVersion="4.2.0"
[code]....
I don't know what process gdb was trying to trace. Since I was testing the system, I was only running Firefox, which has always triggered the problem. The output from "dmesg | grep -e ndis -e ipw" was
[ 19.121563] libipw: 802.11 data/management/control stack, git-1.1.13
[ 19.121566] libipw: Copyright (C) 2004-2005 Intel Corporation <jketreno@linux.intel.com>
[ 19.161180] ipw2200: Intel(R) PRO/Wireless 2200/2915 Network Driver, 1.2.2kmprq
[code]....
In previous version of Ubuntu, the messages just before the hang used to complain about the firmware in the interface being buggy. I intended to send the output from iwconfig and "sudo iwlist eth1 scan" as well. But I can't turn on the interface without hanging the system and thereby destroying this post.
I just upgraded from the 64-bit version of Ubuntu 10.4 to 10.10 over the network using the Update Manager. But when I chose the "About Ubuntu" option from the System menu, I was surprised to see it say that I am running Natty Narwhal 11.4. My system is a Linux Certified LC2464T [URL]
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Jul 15, 2011
I'm migrating from XP to Ubunta 11.04. My PC: Toshiba Sat A30-921 L/top CPU: Pentium(R) 42.84GHz RAM: 512Mb Display Adapter: ATI Radeon 9000 IGP K/board: std 102/103 PS2 Pointing Device: Alps PCMCIA Adapter: ENE CB1410 Cardbus Controller Wireless Adapter: D-LINK GDWA 610
The installation went well from start to finish. Made it dual boot with XP. Hooked in the Eth cable & went online right away. Then enabled the W/less network adapter - all OK. Using 'Classic', so it's just normal screen after boot. Problem is random 'Freeze' or 'Hang Ups'. It's hung 12 - 14 times in 2 days! K/brd T/pad frozen out. Only recovery is to use master power switch & reboot. NEVER hung in XP in 7 years! (done other bad things though) Does Ubunta have switch like Cntrl + Alt + Delete in Win?
Tried many combinations but to no avail. I've tried quite a few Linux flavours (from Live CD) & they all displayed the same fault!! Before it hangs, I've been able to browse around Ubunta Apps: Places: System: Firefox: Internet: etc. Where do I start to track the problem down? I'm vaguely familiar (XP) with Terminal & cmd line processor but dont know any of the codes used.
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Dec 1, 2015
I have dist-upgrade from Wheezy to Jessie, however it randomly freezes. Everything was okay with kernel 3.2, but when I run several applications kernel 3.16 fails.
At below you can see the dmesg output of Jessie:
Code: Select all[Â Â 0.000000] Initializing cgroup subsys cpuset
[Â Â 0.000000] Initializing cgroup subsys cpu
[Â Â 0.000000] Initializing cgroup subsys cpuacct
[Â Â 0.000000] Linux version 3.16.0-4-amd64 (debian-kernel@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP Debian 3.16.7-ckt11-1+deb8u6 (2015-11-09)
[Code] ....
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Jul 8, 2011
I have a strange problem on my system. When I turn off printer, system hang. Gdm/X exit and I can see a terminal screen with a lot of info (but I can not capture it, except taking a photo). I must press reset button. It's not all times, but at least 50% I shutdown printer. I was looking logs and I can not see any relevant. Maybe this (copy some sections of /var/log/messages, remove other not revelant):
Jul 7 19:43:34 dcr64 kernel: [341172.052076] usb 1-8: new high speed USB device number 7 using ehci_hcd
Jul 7 19:43:34 dcr64 kernel: [341172.185255] usb 1-8: New USB device found, idVendor=03f0, idProduct=4412
Jul 7 19:43:34 dcr64 kernel: [341172.185260] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[Code]...
Sometimes I turn on printer to get a photocopy and turn off later, and system hand, so, it's not necesary to print or scan to get this error.
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Jun 23, 2015
If I shutdown from X the system hangs and I have to yank out the power cord. Same on logout.
ctrl+alt+f1 hangs for a few minutes and then starts a terminal; which does not respond to the keyboard.
There are no tty.conf files in /etc/init .
But inittab looks normal to me and includes tty (1-6)
Executing init 6 from a terminal in X will reboot the system
I was thinking this might be a dbus issue, but I am not sure. I also understand some recent issues exist with SysRq sequences. May be a video card issue,,,
Other than normal package upgrades the only changes were a recent change from a VGA to HDMI cable. I can't see why that would matter
Linux Lugh 3.2.0-4-amd64 #1 SMP Debian 3.2.68-1+deb7u2 x86_64 GNU/Linux
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Aug 23, 2011
I am new to opensuse, coming over from debian based systems. However I am having an issue in which my system will not power off on shutdown. Restarts just fine. i get a missing error during shutdown, but there is nothing to relate the error to on that line. Then the shutdown procedes to The System will be halted immediately then hangs. The keyboard powers off and then thats it. All fans are still running. I have searched extensively on this forum and google.
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May 1, 2011
fairly new to linux and tried Slack as a way to force myself to learn. I am running current and when i issue the reboot command it will hang on "Restarting system". If i use the shutdown -r now command it will reboot fine. Any ideas?
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May 23, 2009
I'm running V5.3 (newly installed) on an FJ E8020 laptop. The problem I have is when shutting down (*not* rebooting). NetworkManager fails to stop and after (during?) the postfix shutdown, the system seems to hang.I cannot access via another screen or remotely. I can't find any clues in the log files.
[Code]...
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Aug 28, 2010
i reached step six where it states "6. When the root and swap partitions are formatted the base installation will begin. Note that your system may appear to hang at different points during the install but it hasn't. Just be patient." I have been staring at a blank blue screen with this blinking cursor at the bottom for 30 minutes and i was just wondering how much more "patient" will it take. for some system details. the system is clean / fist time run and anything installed on it.
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May 6, 2011
Anyone know the reason why a sleep( ) on a Redhat Linux OS would cause the system to indefinitely hang? It's doing this every 10 or so calls in my program and I have to press the reboot button on my computer. My program is reading from a UDP port that has messages sent to it 20 times per second. When I sleep I assume the internal UDP buffer is getting more and more filled.
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May 23, 2010
After a kernel update action, it seems that I'm unable to boot a system anymore. First off, after installing the kernel, and trying to shutdown to boot to the new kernel, the system replied with INIT: no more processes left in this runlevel. Kernel update was performed from to the following versions 2.6.18-128.el5.img -> 2.6.18-164.11.1.el5.img . The system is a VMWare virtual machine. When trying to reboot, the system passes GRUB, starts initializing and after loading the dm it stops for a few seconds at the message Waiting for new devices, show the following message:
Setting up new root fs no fstab.sys, mounting internal defaults. After this and a few other messages, it displays : INIT: version 2.85 booting INIT - No more processes left in this runlevel INIT: Id "x" respawning too fast : disabled for 5 minutes And then it just hangs. This is the output of my inittab:
[code]...
The system boots into failsafe, but still shows the errors mentioned.
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Jul 14, 2011
I have been looking for a lightweight bandwidth monitoring app and came across bmon. It does what I need. However it has an interesting way of exiting.
when it is running and you close it down it ask you 'Really quit (y/n)' and does not shut down. I am used to just right clicking on my desktop and selecting 'leave' when it comes to shutdown time.
A few times now the laptop hangs on shutdown if bmon is open. I guess it is due to the app asking if it should shutdown. Is there a way to disable the app asking or alternatively nuke it for sure with some script on shutdown.
I could search the relevant konsole running the app and go thru the steps to shut it down but sometimes I am in a hurry and it doesn't feel like the way to go anyhow?
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Sep 6, 2010
I am running Centos 5.5 with all the GUI stuff, including nx server and webmin.Sometimes while watching the bootup messages because my eyesight is very poor.I hit <ctrl s> to pause the output so I can read some details. If I do this late in the init sequence - it often briefly stops the output then the screen disappears under a blue wash (presumably something to do with the GUI login screen ot screensaver??)but the login screen never appears. Also it seems that the script never completes because the imap, webmin and http servers don't appear to have started.
I haven't found any satisfactory way out of it. I can't get back to a console terminal (I've tried ctrl c, d, z, etc.). As luck would have it the nx server has started so I can open an nx session. If I open a terminal in an nx session as root.I can't do a normal restart (shutdown -r now). Nothing happens presumably it can't run the init script because it is still running.The only way I have found to get the system back to life is to run "shutdown -r -n now" in the nx terminal session.There are probably better ways out of this predicament that I am unaware of. Otherwise it is probably somewhere between an annoyance and a bug. I would be interested in any advice the centos "board" may have as to whether this is worth raising as a redhat bug.
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Aug 18, 2015
My system is hanging on screen suspension... And its not the usual hang on "sleep" or others similars, it will happen by only having the screen on stand-by ( eg xset +dpms)...
If I leave for a while the screen will shutdown as expected but computer will completely hang after an indefinite time, it will not respond to outside connections and the will be spinning faster than usual...
Only workaround is to have the screen power save option disabled, in my case, on the KDE settings...
I have tried the most common solution to have "nomodeset" as a kernel option to disable mode setting, but this doesn't seem to work...
Also tried to forcebly reproduce the issue with Code: Select allxset force dpms standby/suspend/off but nothing happens like that...
This issue also only appears with the fglrx driver, open-source works well.
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Mar 14, 2016
My system currently freeze entire UI more frequently when opening more than 1 tab in chromium. not relate to any specific web page but especially on [URL] ....
Code: Select all uname -a
Linux GlobeTravelers 4.3.0-1-amd64 #1 SMP Debian 4.3.5-1 (2016-02-06) x86_64 GNU/Linux
chromuim
Version 49.0.2623.75 built on Debian stretch/sid, running on Debian stretch/sid (64-bit)
I google and found lot of chromium freeze UI bug reports on Ubuntu, Fedora, Osx ...
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Dec 6, 2009
i am afraid that some one palying in my fedora 12 system , " hacked " first i got this message when i log to my broadband internet provider
Quote: You have asked Firefox to connect securely to ******, but we can't confirm that your connection is secure. Normally, when you try to connect securely, sites will present trusted identification to prove that you are going to the right place. However, this site's identity can't be verified What Should I Do?
If you usually connect to this site without problems, this error could mean that someone is trying to impersonate the site, and you shouldn't continue.
[Code]...
then when i log to yahoo mail , my system hang for a while then continue. how do i know that my system is secure ? what are the steps i should follow to secure my system ? i am still newbie and i dont have time to spend it in search in google or reading blogs
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Sep 23, 2010
spent endless time trying to get multiple monitors going and have had a bit of success -- got two showing just fine. However, when I try to access the page I mention in the title, Slackware hangs hard -- only the red button will get me out. This is recent. I had dual monitors going before and that didn't happen, I think one monitor was at 800x600 and the other at some wide screeen rez. Anyway all by itself the 800x600 decided to go to 1024x768. Now, note that it all shows fine, no issues of any kind on the monitors themselves, xrandr works
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Nov 7, 2010
I had been happily on Jaunty Jackalope until they stopped supporting it so I took the forced upgrade and it's HORRIBLE!
I feel like I'm back in Windows land. Within an hour of my first load I had my very first Ubuntu total-lockup. Just like Windows. In the 18 months I'd been using Jackalope I had not had a single crash. Not one.
It's slow, jerky, and has odd freezes. Just like Windows. Applications randomly stop working and die. Just like Windows.
Is there any way to fall back to Jackalope or is there any hope of them fixing Koala? 'Cause this is wretched.
I see there's another version out there...10.04.01.LTS. I'll try that. It can't be much worse.
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Apr 4, 2016
Happens on Jessie AMD64 with mate, I can't go to a tty to kill mate system monitor, mouse stop working, keyboard stop working. I tried changing the theme, and now it freeze opening mate system monitor.
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Aug 1, 2015
Just picked up a Microsoft Designer Bluetooth Mouse.Whenever I try to pair it, my system hangs and I have to hard power it down. The mouse is Bluetooth 4.0, but my Bluetooth connectivity is provided by my Intel Wireless 3160 card which does support Bluetooth 4.0.I'm using Blueman as a front end, and one other thing of note is that it shows as "Unknown" after a scan.If I need to return it, I need to return it, but it seems like a good mouse and I'd like to keep it if I can make it work.
I've took this out of syslog:
Code: Select allAug 1 14:58:04 Noah-LEMUR kernel: [ 317.772054] BUG: unable to handle kernel NULL pointer dereference at 0000000000000398
Aug 1 14:58:04 Noah-LEMUR kernel: [ 317.772090] IP: [<ffffffff81569f7e>] mutex_lock+0xe/0x30
Aug 1 14:58:04 Noah-LEMUR kernel: [ 317.772113] PGD 0
Aug 1 14:58:04 Noah-LEMUR kernel: [ 317.772123] Oops: 0002 [#1] SMP
[code]...
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Jun 10, 2011
Recently, I decided to migrate from SuSE 11.2 to 11.4. My 11.2 installation was working fine with two VLANs and several VMs. I went the route of installing 11.4 from scratch rather than upgrading 11.2.
The installation went smoothly. Afterwards, I ran Yast and changed eth0 to a bonding interface. Then I added two VLANs that used the bonding interface. When I restarted the computer, I saw the following on the console: "Waiting for mandatory devices vlan3005 __NSC__". Then after a 30 second countdown:
"vlan3005 no interface found". The solution to that problem was to add "ETHERDEVICE='eth0'" to /etc/sysconfig/network/ifcfg-eth0.3005". Upon restarting the computer, I could see that DHCP started this time but didn't get an IP address and continued in the background while the rest of the console messages scrolled by. At the point where X kicks in and I should have gotten a GUI login window, the screen goes dark. I cannot get to a console (CTRL-ALT-F1 or F2) or any other GUI login window (CTRL-ALT-F7 F8 or F9).
The computer was completely unresponsive. I could not ssh in to it from another host nor could I ping it. I let it sit for a few minutes but nothing ever appeared on the console. There were no blinking lights on the keyboard. I had to power the computer off. I turned off VLAN trunking on the switch port and the computer booted up fine, without network access, of course. I checked the logs but could find no clues as to what happened. I suspect a kernel problem. However, before I proceed further, I thought I would post my problem here and see if anyone has had a similar problem and perhaps a solution.
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