Ubuntu :: Compiz Stops Working When Plugging In External Screen?

Jan 6, 2011

buntu user but this time I'm planning to remain so I would like to solve this little problem, which is the following:I have a MSI Wind U100 running Ubuntu 10.04 LTS... everything works fine, both Compiz and Emerald, but when I plug in an external screen (Samsung SyncMaster 2232BW) Compiz simply gets disabled, if I try to re-enable it a pop-up shows up saying "Searching for video driver..." (or something similar) and it reverts "None" againWhen I unplug the external screen and try to re-enable Compiz it runs fine like it should, I've read elsewhere to run "compiz --replace" but it does nothingI thought something like:Plugging in an external screen requires Ubuntu to use a different display driver which doesn't support Compiz

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Ubuntu Multimedia :: Compiz Stops Working After Upgrade To 10.4 Lts On Intel GM965/GL960?

May 3, 2010

I just upgraded to 10.4 lts, and compiz stoped working. EDIT: lspci | grep VGA gives me:

00:02.0 VGA compatible controller:
Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 03)
If I try to run it from terminal i get:
Xlib: extension "GLX" missing on display ":0.0".
Xlib: extension "GLX" missing on display ":0.0".


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Ubuntu :: Location Bar Stops Working After Opening External Link In Firefox 3.6

Feb 6, 2010

I installed firefox 3.6 from the firefox-stable ppa repository and I noticed that the location bar autocomplete stops working after opening an external link (e.g. clicking a link in evolution or empathy). The problem still occurs when starting firefox in safemode, so it doesn't appear to be related to a misbehaving extension. The problem is only fixed with a browser restart or when I open and then close 'show all history'.

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Ubuntu Multimedia :: Automatically Change AV Settings When Plugging In External Display?

Dec 9, 2010

I searched the forums for a long time and could not found any relevant informationI am new to ubuntu (10.10 64bit) and I just want to know if it is possible, like it is in win7 (sorry!), if I can plug in my hdmi cord and have the laptop speakers and display disable, and have the external display and its spears enabled.

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Ubuntu Networking :: Stops Working In 10.10 And Firefox Randomly Stops Working?

Nov 13, 2010

I'm running Ubuntu 10.10 Maverick Meerkat 64-bit on my desktop with a wired internet connection (with no firewall). For the past 2 days, I have observed that1. Firefox randomly throws up errors like "Problem loading page" whenever I click on a hyperlink. When I click on Reload, the page loads up just fine. This has been happening a lot recently..and I do not remember updating anything consciously. By the way, ipv6 is disabled in Firefox.2. The network stops working all of a sudden (usually indicated by the Firefox error). The Autho Eth0 indication is active, but I am unable to connect to any external machine.

3. Needless to say, this error is manifesting itself in apt-get as well. I get "something wicked happened" errors all the time, and am unable to download or install anything.That this is not a problem with the ISP is obvious because I also have Windows (from which I'm typing this, ironically), which is able to access the internet.Is this a bug in Ubuntu 10.10?

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Ubuntu :: Computer Randomly Goes To Weird Screen And Stops Working?

Dec 3, 2010

I am asking in the wrong place or anything like that, I tried to understand the Tutorials, but I am only human Oh and I am not a native speaker of English, So I also apologize for that...Okay enough apologizing, I will assume that you are all nice people and wouldn't have made fun of my stupidity anywayAs I said I am new to Linux and also to my PC. I bought it a couple of weeks ago and I tried to install Windows on it, but it was displayed in only 16 colors ( I assume this is not connected to my current problem but it might be...) and I couldn't fix that so I installed Ubuntu 10.4.something( It asked me if I wanted to upgrade to the newest version...) . Since then I have been really happy, I only had minor problem with the chat software but after I googled it I found a solution and I even used the console for the first time in my life.

The problem with the chat software is back now, but I don't care about that.My Computer randomly stops working and the screen goes all weird. It switches between a mix of white and black bars, something really colorful and a black screen with text ( I have the feeling it's different text every time) I am not sure what happens after that, because I always turn it off and restart it. It won't react to anything when it is in this weird mode. I don't think there are any special situations in which it happens and I can't reproduce it, it just happens when I don't want it to happen. A friend who uses Linux said it might be a temperature problem, he only knew what I just told you. I am not sure if there is a connection between the time the computer has been on and the time it shuts off...I really like Linux and I would love to use it without ith when I said that I got my PC new ( it was used though) I was trying to say that I don't know whether this is a Ubuntu problem or not

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Ubuntu :: Blank Screen And Xorg - Compiz Effects Quit Working

Nov 28, 2010

I have a problem with Xorg, I am not sure if the black screen is related, but sometimes when I am just using the computer, with heavy processor and memory, but sometimes not, but the title bars to the programs disappear, my compiz effects quit working, and the cairo dock becomes unusable, so I cannot switch windows, but I can close them using 'File > Close" to access the windows under the ones on top, and to fix it I have to switch over to a terminal "Ctrl + Alt + F2" and log into that to kill Xorg by "sudo top" and killing it with the PID.

And the Blanking Screen, I am just doing usual programming with Bluefish, Eclipse and the terminal, and the screen will just go black, and won't come on if I wiggle the mouse, press a key on the keyboard or turn it off and back on, the status light on the monitor stays green, and doesn't go to orange as if it were unplugged or the computer went idle, so I know that it is still communicating with the monitor, but the way I fix this is I have to manually power down the machine via the power button and turn it back on and it works normally for a while.

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Fedora :: NVidia And Compiz Installed And Working But Screen Doesn't Refresh Correctly?

Oct 30, 2010

What it does is, if you do something to change anything on the screen, for example, highlighting text, or switching from one tab/menu in an application to another. The screen doesn't show the change. The only way to SEE the change is to do something else to the screen, like grabbing and moving the application around, or scrolling the page of a website, etc. If you don't do that, you won't see what's really on the screen, but rather what WAS on the screen.

Another example:

*) say you have an application open with 3 tabs: tab1, tab2, and tab3.
*) Switch from tab1 to tab2 and you see no change on the screen.
*) Switch from tab2 to tab3 and you see tab 2 on the screen, NOT tab 3.
*) Switch from tab3 to tab 2 and you see tab3 on the screen, and NOT tab2.

Or, if you're typing in this box to make a post, and you hit ctrl+a to select all, you see no change. If you click in the box to deselect all, then it looks like you've selected all text still. The only way to see what's currently on the screen is to scroll the text box or page just a bit, or, if you're using an application, then you'd have to move it around on the screen a bit.

As i've said, the nVidia drivers are installed and working, as well as compiz, etc.

[=v=]$ lspci
00:00.0 Host bridge: ATI Technologies Inc RD890 Northbridge only single slot PCI-e GFX Hydra part (rev 02)
00:02.0 PCI bridge: ATI Technologies Inc RD890 PCI to PCI bridge (PCI express gpp port B)


Also, i did BOTH the dracut thing, and the extra kernel paramter in the grub.conf. So, nouveau is blacklisted. Oddly enough though, i do NOT have this problem when using the nouveau driver...

Also, fwiw, i think that i should mention that i'm not using the "Desktop Settings > Enable Desktop Effects" method, because i always seem to have problems with getting certain features to work, like the background for the cube skydome, etc. How i do it is that i install a package called compiz-manager, and i have it set to run at session start. This makes all of the compiz features work fine. One thing that i've noticed though, is that on my other workstation, i haven't set that up yet, and it seems that is is NOT having the same issue. While compiz-manager was running, i tried to use the "desktop settings" method, and it crapped out and reverted back to the old school desktop. I then tried it again, and it reloaded compiz, and there is no screen update issues now. So it seems that you have to have both of them running in order to get all of the compiz options to work, and not have the screen refresh issue?

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Debian Multimedia :: Keep Laptop Screen Lit When Plugging In HDMI Monitor

May 7, 2015

Where the script is for Gnome 3. When I plug the HDMI cable, the desktop expands to include both, but disables the backlight on the laptop monitor. I have to restart gdm3 or the laptop for the brightness control to bring it back up. First, why would it turn brightness to 0, and how do I change the default of that so it stops. I plug and unplug the HDMI regualarly while I wait for a new desktop and the laptop has to pull double duty.

I just switched from Ubuntu 14.10. It never blacked out a screen on plug in or removing. That means that there must be some way to do it, however, it used Unity and this is Gnome 3.

I installed KDE. It works as well. I will use it for now, but would like to get Gnome 3 to work. My default is gdm but I think I saw I can switch it to kdm.

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General :: Get The External Screen Working (only After GDM Is Started?

Apr 14, 2011

I have a laptop with SuSE 11.2 installed, worked all like a charm.Then the problems started :I lost my display (it is dark, you can see very very faint the desktop from time to time)Clearly a hardware problem.So, I attached an external screen. Only this shows nothing, cannot get it activated.Since the laptop automatically boots into our LAN, i just started it, and connected via SSH from an other computer.No problem i have a shell.Then I thought to be clever, and activated the pure-ftp demon, so I can download all interesting files to a new computer. I activated it with / as shared directory.After that, I could not boot the laptop anymore, it did not connect to the network.

After a lot of try-outs I finally managed to get the external screen working (only after GDM is started, i can see the workspace, nothing at boot time).Then I found out that the network would not start anymore, actually I could not even start yast or a su shell.After some investigation, I found that pure-ftp had changed the owner of all files in the / partition to ftp (and the group also to ftp)So, su has no access rights anymore to /etc/shadow, and thus cannot verify my root password anymore.Now i'm stuck. I can work as normal user on the old machine, but no network, the DVD wont write anymore and usb sticks don't open anymore.I cannot boot the system in single usermode, since then I have no screen.Has anybody here the brilliant idea I need to get the files out of this machine, without taking the disc out(would not know how to do that anyway).

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Fedora Installation :: When You Reboot The Mouse Works Ok Until The Welcome Screen Apears Then The Mouse Stops Working?

Jun 17, 2009

I have install fedora11 live and the mouse work well when installing.When you reboot the mouse works ok until the welcome screen apears then the mouse stops working and I cannot continue with the postinstall. I have a 1TB usb externalHD that I am installing fedora11 and have partitioned it so that I have 500Gb free for fedora, system is doucore 2.4,4gb RAm, I tryed doing this with three differend mice and connectting the mouse to different usb ports

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General :: Installing Into A Laptop With Non Working Screen Using A External Monitor?

May 10, 2011

I have an HP Pavilion dv9000 which I would like to use completely with any Linux OS. I have tried to install Linux Ubuntu 10.04.1 but it appears that it doesn't recognize the external monitor and ends the installation. I have a clean hard drive that I could install but I do not know which of the two drives I should replace. I can only get into windows in safe mode and I would think this may have something to do with the problem, don't no.

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General :: Compiz Stops Updating Windows On A Multi-head System - Keyboard And Mouse Still Alive?

Dec 8, 2010

I am running Fedora F14 on an Intel I3 cpu w/4Gb memory and plenty of disk. I have two displays connected to the Gigabyte Motherboard, one of the HDMI connector, and one on a DVI connector. I run Gnome. When Compiz is enabled things work fine for a while, meaning hours or days. Then the displays will "freeze" to the point where the clock stops updating. The system itself is still running programs, services, and the mouse and keyboard work. The mouse cursor will move around, but nothing can be clicked upon. If a terminal was the open window, typing on the keyboard does not do anything, nor does ctrl-backspace or whatever it is to terminate X windows. The keyboard does allow me to press ctrl-alt-F2 to switch to one of the base consoles. Once there I can type to my hearts content. I can kill off my logged in Gnome session through the console, and I can shutdown the system in a controlled manner.

It is as if all of the windows stop updating. For example, I play music through Amarok. An hour after I stop using the system but letting the music play the screens will do their lockup. The clock will stop, and Amarok will stop updating which song it is playing. It continues to play each song in the playlist, but the Amarok window shows what was playing at the time that the clock stopped. I've also had this happen to me while using Yumex, where it would stop updating the screen while installing programs, but the programs do get installed. With Compiz off I don't have this problem.

The version of Compiz I am using is currently 0.8.6-3. It is running on Gnome 2.32.0-2, with a Linux kernel of It has happened with earlier versions of these programs. I am using the graphics processing the Intel i3 chip to the motherboard connectors. The freeze generally happens at some random time while I am not actively using the system. It has happened to me while doing simple things like programming through an IDE. The really strange thing to me is that the cursor will move around on the screen after everything else stops updating.

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Ubuntu :: Compiz Fail On External Monitor?

Jul 26, 2010

I have a Hp dv5000 Laptop (not that it matters) with ATI 200M graphics chip and Ubuntu 10.04 LTS. Compiz works perfectly on my laptop screen. But when using my 23" Monitor it just doesn't. If I try enabling desktop effects it tells me it can't. Through terminal ( runnning 'compiz')I get the following error:

compiz (core) - Fatal: Root visual is not a GL visual
compiz (core) - Error: Failed to manage screen: 0
compiz (core) - Fatal: No manageable screens found on display :0.0

Launching fallback window manager

My /etc/X11/xorg.conf looks like this:

Section "Screen"
Identifier"Configured Screen Device"
Device"Configured Video Device"
SubSection "Display"


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Ubuntu :: External Display Conflict (with Compiz)?

Feb 13, 2011

Having issues with external display, I have to start compiz everytime I log in

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Ubuntu :: External Monitor Breaks Compiz, Visual Effects?

Nov 22, 2010

A few days ago, I did a clean install of Ubuntu 10.10 onto a Mac. I dual-installed with Mac OS, and everything appeared to be going very smoothly. until I connected to an external monitor (a video beamer I use in my classroom). This led to:

a) the external monitor apparently being considered the primary monitor, and

b) compiz effects being disabled.

I addressed (a) by modifying the file monitors.xml in [me]/.config. (Before that. I had created a startup entry xrandr --output LVDS1 --primary. That also seemed to work; after changing monitors.xml, however, I disabled that startup entry, as it now appeared redundant to me.) Generally and for all I can tell, my actual computer screen is now correctly identified as the primary monitor -- from the moment I log in, at least. The log-in screen itself, though, appears on the external monitor, or not at all when that monitor is turned off.

This is the content of my monitors.xml file: I have not found any solution for (b): when I physically unplug the external monitor and reboot, compiz will run again; but once I plug in the external monitor, it won't.

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General :: Compiz And Desktop Effects On Netbook With External Monitor

Jan 28, 2010

I have an Acer Aspire One AO150 and am having trouble plugging in an external monitor under Ubuntu 9.10. There were no problems under 9.04. If I plug in an external monitor once the machine is already up, then bring up the 'display' application to activate it, it basically hangs. There are no problem under these circumstances if I have desktop effects turned off.

A few more details after a question below. The machine does not respond to its keyboard commands to switch to an external monitor, nor does it respond to Ctrl-Alt-F1, etc to switch out of X. The pointer is visible on the monitors (at the edge of each) and is frozen as a 'busy' cursor, but with no animation. The kernel does respond to SysReq commands (REISUB).

In the latest attempt I had the external monitor active earlier, then removed it and activated desktop effects. Upon plugging in the eternal monitor then bringing up the display application, it hangs.

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Ubuntu :: Boot Up Stops Before Sign In Screen?

Apr 13, 2010

I have Ubuntu 9.10 remix on my Dell mini 10, dual booting with windows xp. Everything worked fine, not a single hitch. Then this week I turned the computer on, and Ubuntu goes through the boot sequence and I get a blank screen before the sign on screen. Same result each time. I've worked with Ubuntu for about a year, but have never had boot problems and am really clueless on what to do here

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Ubuntu :: 10.04 Install - Stops On A Black Screen

May 12, 2010

I tried to upgrade from karmic, the process went fine then after the last reboot, it stops on a black screen. I downloaded an iso to install from a disk, the disk runs a bit then a black screen.

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Ubuntu :: 9.10 Stops Working After Update

Mar 18, 2010

I have Ubuntu 9.10 installed on my laptop. The laptop has a single HDD with 2 partitions. Partition 1 has WindowsXP and partition 2 contains other data, among which the directory of the ubuntu installation. The partitions are formatted as NTFS. Ubuntu has been installed with wubi on the second partition. Ubuntu has been working fine for 2 days. Last night I updated the Ubuntu system and it required a restart. Needless to say, after the restart, grub wouldn't load. It just shows the shell.

I read the threads inside this forum and people usually manually select a kernel and boot up ubuntu, but when I do this, after I input all the commands I input "boot" and hit ENTER. The computer starts booting up until a point when it says ALERT! /host/ubuntu/disks/root.disk does not exist and something about using selection #1 and exits to shell (Easy Shell or Easy Boot, I can't remember exactly what it says... Easy something anyway) I've read that this is possibly caused by a NTFS dirty tag... but I do not see how to fix this problem.

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Ubuntu :: USB Mouse Stops Working - 10.04

May 7, 2010

I have read no fixes anywhere, oddly. This problem happened in 9.10 and seems to be back in 10.04. The fix on Ubuntu-Geek, which was re-posted various places, does not work either. However, I do know this is not a hardware issue... or think. I have a dual-boot with Windows 7 and it is not affected by this. Also, if I install anything 9.04 or earlier, this does not happen. Oddly, my netbook had 9.10 and now 10.04 but not this issue. Sadly I feel I must try other distros as this appears to be a Ubuntu specific error.

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Ubuntu :: Keyboard Stops Working After A While?

Aug 11, 2011

This is the first time I've got a major problem with Ubuntu (I started with version 5), and this one is particularly frustrating.I'm running Ubuntu 11.04 on my old (2007) desktop PC.Occasionally, but more and more often now, the keyboard just stops working. The mouse is still fine. When I shut down, I would sometime notice that the "stop crash report generation" process fails. Then the shutdown sequence stops at some point, and I am forced to do a hard shutdown, power down for a while, and reboot. If I don't wait after power off, the keyboard freeze would occur again at any time during the start up sequence. I even had a keyboard freeze after manually switching to the Windows boot.

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Ubuntu :: 10.10 Stops Working If Left Alone?

Nov 16, 2010

if the computer sits for a length of time, not being used. I have not timed it, but around an hour it seems. All drop downs work, but whatever i click on doesn't do a thing so i can open the drop down to shut down but when i click on it it just sits there or if i try to open firefox or chrome it just sits there. if im browsing the web or playing a game for a couple hours everything works but it i leave it to do something else and it takes close to a hour, and i dont shut it down. It just stops working. then i have to kill the power to stop it.

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Ubuntu Installation :: CD Stops Running / Get A Blank Screen

Oct 6, 2010

I recently downloaded Ubuntu and I have installed the software successfully on a Dell laptop at work, however when I tried to install it in my home laptop it fails � the CD runs I get the Ubuntu load screen and then nothing. The CD stops running and I get a blank screen.I think it may be related to the screen driver, is there a way to see what is going on?

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Ubuntu :: Audacity Installed Now Mic Stops Working

Jan 13, 2010

After I install audacity my mic stops working.

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Ubuntu :: Sound Just Randomly Stops Working?

May 26, 2010

It has to be an update or something that cause this. I've done nothing differently from the other days I use this laptop. I have to keep relogging every now and then because the sound stopped working. I can turn the volume up but pidginrhythmbox, nothing makes noise anymore. it's random...it just started happening today and this is the second time the music went out. anyone have any idea of how to stop this from happening in the future?

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Ubuntu :: Touchpad Stops Working When Logging In?

May 30, 2010

I have an Hp Tx2 tablet with Lucid on and recently my touchpadsiezed to work while resizing a large partition on an external usb hard disk (which I believe has nothing to do with it). The resizing took me a day or 2. Since then, every time I log in, my touchpad freezes. It works fine at the login screen. As far as I recall, I did not do any substantial updates or apt-get installs recentlyWhen I cat /dev/input/mice it does give output, so I assume that it still works, there's just something in between, blocking my touchpad when logging in.

The driver is psmouse I figure (although I would think it's an usb touchpad), and if I remove the module and reload it, that does not make a difference.I already tried blacklisting, and loading after logging in.Anyone any input on how to debug/solve that?One thing I can add is when plugging in a usb mouse, that one does work. But that doesn't change anything on behalve of my touchpad. So it seems they use a different driver

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Ubuntu Networking :: Wireless Stops Working After A While?

Jun 16, 2010

I'm having some problems with wireless, it works fine on boot but after a while pretty much randomly, it can be a few days or it can be a few hours, it stops working. I'm not sure which command would tell you what and it would take a little while to debug it because like I said it's random, but if anyone knows what to do please tell me! I'm on Lucid Lynx 10.04.Another something that's really bothering me (But not related to wireless) is that for some reason when I restart my computer, the top panel keeps changing the applets locations.

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Ubuntu Networking :: Samba Stops Working After A While?

Oct 22, 2010

I have created a Samba share, using the fantastic Webmin tool. I have a network media player which can connect to my router, and then access windows (samba) shares. Most of the time, it works fine - it's able to stream HDTV wirelessly across the network. However, every so often, it just stops working ... the media player sees :

Network, then
FILESERVER-1 (machine name), then
Media (share name), then
Video (subdir, then
TV_Shows (subdir), then
MyShow.AVI ... just hangs

if I use the Webmin tool, I see multiple samba connections all from the media player. Restarting samba seems to have no effect. The only way to fix it, is to reboot.

logfile I can check, or a setting I can tweak to fix this issue ?

When it get like this, trying to access the share from a windows machine, just gives me an error saying it can't find the machine. But when it's rebooted, it works fine.

I have mapped the "nobody" linux user to "guest" which is what the media player is defaulted to login with (it's primarily sold as a "Windows" media player), and using Webmin I have assigned the "nobody" user read-only rights to the samba share. It worked fine for 6 months, until I added this new drive.

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Ubuntu :: Mouse Pointer Stops Working?

Nov 25, 2010

Just a short while ago my mouse pointer froze randomly. I figured it was just the mouse so I disconnected and reconnected it, still nothing. Restarted computer and it worked for a while, then froze again. The mouse is wireless, but it doesn't seem to be anything to do with the mouse's hardware. The laser on the mouse and LED indicator on the sensor are both still flashing away while it's stuck. I then restarted again and tried an old wired laser mouse, which followed suit and worked for a few minutes, then froze mid-screen. This time I left it in, and it's been stuck for a good ~15 minutes so far. Using Ubuntu 10.04 x64. Mice are just generic wireless and wired lasers of Microsoft and Logitech, respectively.

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