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Thread: The keyboard that hangs and gets me mad

  1. #1

    Default The keyboard that hangs and gets me mad

    Hello everyone

    Not sure this is the best place for this... Sorry by advance.

    To start with simple words, my problem is the following: at completely random moment, my keyboard hangs and doesn't react any more. If I type any key after, nothing happens, but if I was typing something the moment it hanged, then the key is repeated. Any key. Often, it ends like thiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii... The only cure is to hard-reboot.

    First, I can say the problem isn't keyboard mechanically related. The computer is a desktop one, with an IBM PS/2 keyboard, and I dual boot Linux and Windows on it; I have never had this on Windows. And unplug-replug the keyboard when the problem occurs doesn't help. This is why I haven't posted this in the hardware forum...

    Second, the problem is distro independent: I have had it on Ubuntu, Debian and now OpenSUSE. OpenSUSE 11.3 and 12.2 gave me some rest, but now I have installed 13.1/Tumbleweed, it is there again.

    So I believe this is related to something common to those 3 OSes and my hardware. The kernel? X? The desktop (Gnome2, Gnome2 and Gnome3)? I really don't know. It make me think the "keyboard driver" suddenly freezes and gives the system its latest state...

    I have searched for this on the Internet, but I haven't found anything like that. I am even not sure to post this in the right forum, but well, I have to start somewhere.

    Imagine when it occurs and I'm on vim or in TTY... Imagine when it occurs and I'm writing to a friend of mine in a web interface; it's like the system just says: "hey man, nice long letter! Now, i gonna freeze the keyboard with the DEL key pressed; you can't help but lose your message!" That drives me nuts...

    If you have any clue... Thank you for your answers.

  2. #2
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    Default Re: The keyboard that hangs and gets me mad

    Well, regardless of it working in windows, I'd try another keyboard first, preferably an USB one.

  3. #3
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    Default Re: The keyboard that hangs and gets me mad

    Quote Originally Posted by Neraste View Post
    And unplug-replug the keyboard ...
    I hope you do it with the computer turned off. It's been a long time, but AFAIR this is NOT something you should do with the PS/2 port still powered up. There is a very real risk of damaging it.

  4. #4

    Default Re: The keyboard that hangs and gets me mad

    Thank four your answers brunomcl. I would have posted this on hardware subforum, though.

    Quote Originally Posted by brunomcl View Post
    AFAIR this is NOT something you should do with the PS/2 port still powered up. There is a very real risk of damaging it.
    Long ago, there was a risk to hang the computer if you hot swap the PS/2 keyboard. But now, modern MB can handle it flawlessly (but yes, USB is better if you have to swap quite often).


    Quote Originally Posted by brunomcl
    I'd try another keyboard first, preferably an USB one
    I don't have extra keyboards to test with, but after all, the keyboard itself could be the source of the problem. What is surprising, however, is that I haven't had those troubles on OpenSUSE 11.3 and 12.2 (ie for 2 years, roughly)... So basically, one can conclude the keyboard itself isn't in cause, is it?

  5. #5
    Join Date
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    Default Re: The keyboard that hangs and gets me mad

    Neraste wrote:

    >
    > Hello everyone
    >
    > Not sure this is the best place for this... Sorry by advance.
    >
    > To start with simple words, my problem is the following: at completely
    > random moment, my keyboard hangs and doesn't react any more. If I type
    > any key after, nothing happens, but if I was typing something the moment
    > it hanged, then the key is repeated. Any key. Often, it ends like
    > thiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii... The only cure is to hard-reboot.
    >
    > First, I can say the problem isn't keyboard mechanically related. The
    > computer is a desktop one, with an IBM PS/2 keyboard, and I dual boot
    > Linux and Windows on it; I have never had this on Windows. And
    > unplug-replug the keyboard when the problem occurs doesn't help. This is
    > why I haven't posted this in the hardware forum...
    >
    > Second, the problem is distro independent: I have had it on Ubuntu,
    > Debian and now OpenSUSE. OpenSUSE 11.3 and 12.2 gave me some rest, but
    > now I have installed 13.1/Tumbleweed, it is there again.
    >
    > So I believe this is related to something common to those 3 OSes and my
    > hardware. The kernel? X? The desktop (Gnome2, Gnome2 and Gnome3)? I
    > really don't know. It make me think the "keyboard driver" suddenly
    > freezes and gives the system its latest state...
    >


    <snip>

    >
    > If you have any clue... Thank you for your answers.


    The only time I have seen similar erratic keyboard entry IIRC it was down to
    the configuration of the gnome keyboard, it can be cased by either "Sticky
    Keys" or "Bounce" being set I think.

    Been a while though so could be way off base here

    Also I do not use the Gnome desktop so not sure if the settings are still
    there????

    HTH

    --
    Mark
    Nullus in verba
    Caveat emptor
    Nil illigitimi carborundum

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