Ubuntu :: How I Could Get System To Free Keyboard And Mouse When Get Lock-up
Jul 15, 2010
I am running Ubuntu 10.4 and using Virtualbox very intensively to develop under windows. This is the perfect combination: Virtualbox is excellent and gives great speed, functionality and connectability. However, I keep getting a keyboard and mouse 'lock-up' and find that I have to power-down my PC in order to get things working again. The strange thing here is that Ubuntu seems to continue working fine: for example audio keeps playing and the system once successfully finished burning a CD even though keyboard and mouse were frozen.
This happens only very sporadically but is a serious problem because I can't have things freezing when I am in the middle of development or am demoing functionality to a client.At first I thought it was Ubuntu but it only seems to happen when VirtualBox is running so I am wondering whether there is a problem with the keyboard and mouse capture for Virtualbox and that this is causing the problem.I have de-installed and re-installed Virtualbox but this didn't help.So does anyone have a idea how I could either fix this problem or how I could get the system to free the keyboard and mouse when I get a lock-up.
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Sep 2, 2010
I want to be able to start a movie on my ubuntu 10.4 machine and then hand it to my daughter (it's a netbook). Is there a program (or setting) to lockdown the keyboard and mouse so she can't change the movie?
Obviously there would have to be a hidden password or something.
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Apr 20, 2011
After a 4 to 5 minutes after a succesful instalation of Ubuntu 10.10 the mouse and keyboard freeze. I increased the memory and installed a 500 gb hard drive and still have the problem. a second problem. How do I find this post after a day or so.
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Nov 3, 2010
Running Landmarq Intel Atom DC330 Desktop I have just attempted to upgrade my desktop machine from Kubuntu 10.04 to Kubuntu 10.10. I used KpackageKit to do the upgrade which proceeded smoothly until the install packages phase, which seemed to complete and then repeat. I don't know the detail of what happened as I was out of the room.
The repeat almost completed, but then I got a set of error messages, which basically told me that KpackageKit was unable to install the upgraded packages. I closed KpackageKit, and closed the machine and tried a reboot. This time, I got as far as the splash screen, but although the cursor flashes, I can't type anything in the password box. In addition, the mouse pointer won't move. Using a different wireless mouse works, but I still can't type in a password.
However, the command ctrl+alt+sysrq+RSEIUB works, so the machine is accepting some keyboard input. I also know from using a live disc that my home directory is intact. I would like to revert to my 10.04 installation, and re-try an upgrade to 10.11 afterwards.
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Jan 10, 2010
I'd lie to leave the display intact and updating while locking the keyboard and mouse. Ideally, a password would unlock the keyboard but hot keys would work as well. Is there already software to do this? Or a Gnome "screen saver" that doesn't effect the monitor?
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Nov 20, 2009
When I running fedora the caps lock & shift LEDs blinking continuously and system was hang.
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Jan 7, 2010
I know that by pressing CTRL+SHIFT+NUMLOCK I can use the number pad as a pseudo mouse, but is it possible to force this condition at boot without needing to enter a key press?
(I'm putting a computer in my car running Ubuntu and have decided to do away with both the mouse and keyboard and control it from a joystick on the steering column. This has been wired to the circuit out of an old keyboard to mimic the arrow keys on the numeric keypad.)
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Aug 22, 2009
I installed Fedora 11 on an external usb HDD (StoreJet trascend) connected to my Acer AspireOne (110 L), and it has been working marvelous for over a month. Today, something really strange happened: After I choose the booting media (StoreJet trascend) Fedora 11 freezes on the loggin screen: Both, keyboard and mouse, stop working. I have no idea what services are shoot down or not recognized since the start screen starts with the blue and fedora logo one.
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May 15, 2010
I have a headless mythtv running 13, when there's no monitor connected X doesn't start. If I plug a monitor in it still doesn't do my any good as there's no kb/mouse either. I know the system has booted fine as I can connect to myth remotely. This a slackware or x problem? Want to run x11vnc here but without x I can't do that.
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Nov 30, 2010
I use skype, and several times when i have it open, more often when i am using it, the hole system stuck with no response. The mouse stop moving, the keyboard does not work, even control + alt + backspace does not work! The only available choice is to reboot the computer.
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Dec 2, 2009
If I remain 'connected' (with the KVM) to the linux machine the gnome screen saver cuts in and the system remains 'as is' until 'woken up' with the mouse or keyboard. However, if I switch to another machine using the KVM, within a short time (maybe even minute or two) the linux machine goes dead. Now it has not crashed, as I can log in from a remote machine and do anything I need from a terminal, but the machine seems not to respond. I can't even use ctrl-alt-fn to switch to a console screen.
I initially tried entering telinit 3 from a remote machine but it made no apparent difference. However, if after telinit 3 I then killed the Xorg process and later issued a telinit 5 the X server restarted, but with a curious black 'notch' at the top of the screen. I am using an NVIDIA GeForce 7600 GS graphics card. I am now adding the backtrace from Xorg.0.log. It seems that when the KVM switches to another machine for more than a very short time the X server crashes.
[Code]....
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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 2.6.35.9-64. 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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May 18, 2011
I've got a question on free disk space. I'm currently running CentOS 5.5 on in Xenserver virtual environment. We've had an issue with disk space. My question is as follows: - from a ssh connection i run df -h this gives the value of 90% used leaving me with 9GB. If I use system monitor via a VNC connection the free disk space value is 20GB free on the same volume. Which one is correct? I do use SNMP to monitor the same volume and should alert me when < 10% is free I know this works as I set the alert threshold to < 90% I get an alert.
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Jul 19, 2010
I've been using Mint9 on my Laptop from some time, so far so good. However one problem troubling me from some time, is whenever I lock the screen and then unlock it, the mouse pointer/curser gets locked for an indefinite time. Then there lefts no option for me except a forceful shutdown/reboot.
In fact, for the synaptic touch-pad that my laptop has, I always have to press fn key + f8 twice to unlock the mouse pointer at every start up but even the same trick doesn't work in my above mentioned problem.
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Jul 17, 2010
I upgraded from 9.10 to 10.04. The Caps lock indicator on my keyboard is not working (always off). The Num lock indicator works fine. I have the same problem with other keyboards. The other keyboards work with Windows & DOS. This isn't a show-stopper, but I'd like to get it corrected as it's problematic when typing in passwords, etc. that have hidden fields.
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May 3, 2010
I just upgraded to 10.04 (and a new machine) from 8.04 and I can't seem to find a way to have the middle button on my mouse act as a double click like I had it on my old machine. I tried putting the input stanza from my old xorg.conf but then X would not come up. The new tab thing it does in Nautilus is driving me nuts. I see the xorg.conf isn't really used anymore, and there is something about making rules in udev but I can't seem to find the exact wording that I need to make that one rule. I would also like to disable the CAPS LOCK key if anyone knows how to do that without xorg.conf. Maybe someone can point me to a udev tutorial?
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Nov 12, 2010
i want to create a keyboard shortcut of Lock Screen option.is there a way to do it???
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Jun 8, 2010
Inspired by this question. I would like to remap Caps Lock to escape, but only when I am in vim. I would like to keep Caps Lock untouched while not in vim.
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Nov 16, 2010
I have connected an external USB keyboard, and I would like to lock the laptop keyboard so I can put a book on top of it.
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Feb 27, 2010
i had it on my laptop dualbooted with Win 7. win 7 sucked and couldnt get anything to work but ubuntu worked flawlessly. so i decied to try and delete win 7 and only have ubuntu.i just tired installing a new ubuntu and eraseing everything elase. i dont need anything on this computer.i made a live usb stick and i can get to the install screen i pick my languge and install. then it goes to the screen were i need to pick default launge and then answer some questoins before i install. but the probmlem is that i cant use my mouse or keybored there. caps and nub lock lights wont turn on
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Dec 13, 2010
I've run ubuntu 9.04, 10.04, and 10.10 on my Dell latitude e6400. On every version the mouse buttons stop working after a few clicks, on the trackpad and with a USB mouse. lock panel is checked if i right click. If i uncheck lock panel it will work for a little bit longer then stops. Anybody know how to fix this?This is my first time using ubuntu and i really want to love it. Had xp before on the Dell, but I don't like it. We're a Mac family, but if this works ubuntu could change our minds!
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Dec 24, 2009
I purchased a lighted keyboard, on the net.
Black LED Lighted Keyboard W-9868BK USB
The scroll lock key is the key that turns the back light on/off. Num light works/caps light works, but the scroll lock light does not on F12 or Ubuntu Thinking it may be a soft ware problem after trying different usb slots, I dug out an old XP machine and it works.
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May 6, 2015
I've got myself a a Filco Majestouch Convertible 2 which is a USB/bluetooth keyboard.
When I use it in USB mode it works perfectly. I would like to use it in bluetooth mode and I've found that it has problems. When I hit either Numlock or Capslock it stops responding.
I'm running Debian Testing and it was last updated a few days ago (02/05/2015). I've tested the keyboard using Ubuntu 14.04 live cd and it worked flawlessly even hitting Numlock & Capslock didn't stop it.
If I run btmon to monitor the keyboard it shows that after I've hit capslock or numlock it still sends signals to the computer. So there is information being sent to the computer but these characters do not make themselves to my application. I'm just testing with a terminal window.
Here is the output from btmon whilst the keyboard is connected and working:
Hitting the 'a' character
a> ACL Data RX: Handle 35 flags 0x02 dlen 14 [hci0] 16.769645
Channel: 65 len 10 [PSM 19 mode 0] {chan 1}
a1 01 00 00 00 00 00 00 00 00 ..........
[Code] .....
Here are the versions of software I'm using;
Code: Select allbluetooth 5.23-2 all Bluetooth support
libbluetooth3:amd64 5.23-2+b1 amd64 Library to use the BlueZ Linux Bluetooth stack
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Dec 14, 2009
I keep starting up Fedora and I'm not able to get far (although it's not always at the same time) before my screen will go black, except it shows the mouse/cursor - but it's frozen, and thhen the caps-lock light starts blinking and I can't do anything or get it to recover. Sometimes it happens after 30 seconds, sometimes 40+ seconds and sometimes within 15 or so seconds.
How do I stop this and diagnose this?
I've tried, in the boot-startup to choose an older kernel version, butt the same thing occurs!
I have:
Fedora 11
Kernel: 2.6.29.6-217.2.16.fc11 i586
Asus EEE PC 1002HA
One other thing, it does always seem to happen after I've turned on wireless. And I've been using F11 for months now with no issue.
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Dec 14, 2009
I keep starting up the computer and I'm not able to get far (although it's not always at the same time) before my screen will go black, except it shows the mouse/cursor - but it's frozen, and then the caps-lock light starts blinking and I can't do anything or get it to recover. It ONLY occurs after I log in to wireless network. Using a wired connection, this problem never occurs.How do I stop this and diagnose this?I've tried, in the boot-startup to choose an older kernel version, but the same thing occurs! And this was working for months and now is not.
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Jun 9, 2010
I'm running fedora 13 on a Dell Latitude E6500. It's a dual 64-bit system.
It was working, but then I tried to swap caps lock and control.
I used:
System->Preferences->Keyboard
Layouts->USA->Options
Then, under Control Key Position, I selected swap caps lock and control.
Now, my keyboard won't work in the Keyboard Preferences test area or in any other window or when the screen-lock comes on.
I tried logging out. I tried rebooting. I tried deleting my .gnome2 directory. Nothing seems to work. I can use the keyboard on other accounts, so the keyboard is not the problem.
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Dec 19, 2009
I installed the new 9.12 cat drivers in the usual way (init 3; rpm -e the old drivers; generate new rpm; rpm -i new drivers; init 5), but instead of starting like I expected, I got a blank screen and what appeared to be a hard lock (keyboard lights don't toggle, Ctrl + Alt + Backspace and Ctrl + Alt + F1 don't do anything).
I switched back to radeonhd, but I'd like to get the proprietary drivers working if possible.
The usual listings
Code:
[nathan@ebisu ~] lsmod | grep fgl
fglrx 2323096 0
[nathan@ebisu ~] modprobe -l | grep fgl
extra/fglrx.ko
Looks like the driver loaded OK...
Code:
[nathan@ebisu ~] dmesg | grep fgl
code....
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Jul 8, 2010
I can't seem to use my mouse and keyboard at the same time.I am running Ubuntu 11.04 64-bit
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Feb 3, 2010
I m using wireless keyboard and mouse with my PC. I have installed Win XP and Ubuntu both but I login in one at a time. In windows lower panel shows if my caps lock and numeric lock are on. but this is not so in case in Ubuntu. how to display same in Ubuntu panel.
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May 12, 2010
I just upgraded from 9.10 to 10.04 using the distro upgrade feature. Everything was upgraded without errors.
However, my mouse/keyboard now freezes after 10+ minutes of use. Both are unresponsive, and the keyboard lights does not change with the use of caps-lock, etc.
The system didn't crash though. I had a download running which was completed despite the mouse/keyboard hang.
The computer is barely usable now, I really wished I didn't upgrade...
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