Dropped keys while typing and inability to hold while gaming

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While typing a key will randomly not register and require several attempts at retyping it. In addition, if I'm playing a game that requires holding a key, it'll switch between either refusing to repeat at all or stop after a couple seconds.



Looking at xev, it seems like holding a key down will randomly generate this sequence of events:



FocusOut event, serial 33, synthetic NO, window 0x2c00001,
mode NotifyGrab, detail NotifyAncestor

FocusOut event, serial 33, synthetic NO, window 0x2c00001,
mode NotifyUngrab, detail NotifyPointer

FocusIn event, serial 33, synthetic NO, window 0x2c00001,
mode NotifyUngrab, detail NotifyAncestor

KeymapNotify event, serial 33, synthetic NO, window 0x0,
keys: 0 0 0 0 4294967168 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0


The KeymapNotify at the end seems to be 2 followed by all 0s usually, or that large number (-128?) in a random spot. After that event, no more keypress events are generated until a release.



This comes after a similar but worse problem I had for a while wherein this sequence of events would occur at regular intervals without user input (confirmed via xev). This didn't affect me too much, infrequent key drops and my terminal's titlebar flashing at random, but was unusable when it came to gaming. In desperation I uninstalled everything related to X and reinstalled it, which traded that problem for this.







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    While typing a key will randomly not register and require several attempts at retyping it. In addition, if I'm playing a game that requires holding a key, it'll switch between either refusing to repeat at all or stop after a couple seconds.



    Looking at xev, it seems like holding a key down will randomly generate this sequence of events:



    FocusOut event, serial 33, synthetic NO, window 0x2c00001,
    mode NotifyGrab, detail NotifyAncestor

    FocusOut event, serial 33, synthetic NO, window 0x2c00001,
    mode NotifyUngrab, detail NotifyPointer

    FocusIn event, serial 33, synthetic NO, window 0x2c00001,
    mode NotifyUngrab, detail NotifyAncestor

    KeymapNotify event, serial 33, synthetic NO, window 0x0,
    keys: 0 0 0 0 4294967168 0 0 0 0 0 0 0 0 0 0 0
    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0


    The KeymapNotify at the end seems to be 2 followed by all 0s usually, or that large number (-128?) in a random spot. After that event, no more keypress events are generated until a release.



    This comes after a similar but worse problem I had for a while wherein this sequence of events would occur at regular intervals without user input (confirmed via xev). This didn't affect me too much, infrequent key drops and my terminal's titlebar flashing at random, but was unusable when it came to gaming. In desperation I uninstalled everything related to X and reinstalled it, which traded that problem for this.







    share|improve this question






















      up vote
      1
      down vote

      favorite









      up vote
      1
      down vote

      favorite











      While typing a key will randomly not register and require several attempts at retyping it. In addition, if I'm playing a game that requires holding a key, it'll switch between either refusing to repeat at all or stop after a couple seconds.



      Looking at xev, it seems like holding a key down will randomly generate this sequence of events:



      FocusOut event, serial 33, synthetic NO, window 0x2c00001,
      mode NotifyGrab, detail NotifyAncestor

      FocusOut event, serial 33, synthetic NO, window 0x2c00001,
      mode NotifyUngrab, detail NotifyPointer

      FocusIn event, serial 33, synthetic NO, window 0x2c00001,
      mode NotifyUngrab, detail NotifyAncestor

      KeymapNotify event, serial 33, synthetic NO, window 0x0,
      keys: 0 0 0 0 4294967168 0 0 0 0 0 0 0 0 0 0 0
      0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0


      The KeymapNotify at the end seems to be 2 followed by all 0s usually, or that large number (-128?) in a random spot. After that event, no more keypress events are generated until a release.



      This comes after a similar but worse problem I had for a while wherein this sequence of events would occur at regular intervals without user input (confirmed via xev). This didn't affect me too much, infrequent key drops and my terminal's titlebar flashing at random, but was unusable when it came to gaming. In desperation I uninstalled everything related to X and reinstalled it, which traded that problem for this.







      share|improve this question












      While typing a key will randomly not register and require several attempts at retyping it. In addition, if I'm playing a game that requires holding a key, it'll switch between either refusing to repeat at all or stop after a couple seconds.



      Looking at xev, it seems like holding a key down will randomly generate this sequence of events:



      FocusOut event, serial 33, synthetic NO, window 0x2c00001,
      mode NotifyGrab, detail NotifyAncestor

      FocusOut event, serial 33, synthetic NO, window 0x2c00001,
      mode NotifyUngrab, detail NotifyPointer

      FocusIn event, serial 33, synthetic NO, window 0x2c00001,
      mode NotifyUngrab, detail NotifyAncestor

      KeymapNotify event, serial 33, synthetic NO, window 0x0,
      keys: 0 0 0 0 4294967168 0 0 0 0 0 0 0 0 0 0 0
      0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0


      The KeymapNotify at the end seems to be 2 followed by all 0s usually, or that large number (-128?) in a random spot. After that event, no more keypress events are generated until a release.



      This comes after a similar but worse problem I had for a while wherein this sequence of events would occur at regular intervals without user input (confirmed via xev). This didn't affect me too much, infrequent key drops and my terminal's titlebar flashing at random, but was unusable when it came to gaming. In desperation I uninstalled everything related to X and reinstalled it, which traded that problem for this.









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      asked Jan 14 at 18:43









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