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[Launchpad Bug Tracker <397004@xxxxxxxxxxxxxxxxxx>]

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I can reproduce this: 
If i hold the LEFT-Cursor Key and press CTRL (LEFT+CTRL as in CTRL+c to copy) my Keyboard stops working. Mouse is still working.

"Meta-keyboard-commands" outside of X (e.g. CTRL+ALT+BACKSP or
CTRL+ALT+F1...) are still effective, therefore i can restart X and log
in again. So i think, this is somehow related to X.

I haven't found anything interesting in .xsession-errors or
/var/log/Xorg.0.log but i have attached them. I logged the output of xev
while provocing the freeze:

<code>KeyPress event, serial 31, synthetic NO, window 0x3c00002,
    root 0x5b, subw 0x0, time 30918556, (71,-8), root:(149,88),
    state 0x2010, keycode 100 (keysym 0xff51, Left), same_screen YES,
    XLookupString gives 0 bytes: 
    XmbLookupString gives 0 bytes: 
    XFilterEvent returns: False

FocusOut event, serial 31, synthetic NO, window 0x3c00002,
    mode NotifyGrab, detail NotifyAncestor
</code>

I have tested several keyboards (HP SDL4000 PS2; Cherry RS 6000 USB) and
the problem ist reproducable with all of them, so this is not related to
a special keyboard- or connection-type.

Further Information:
$ lsb_release -rd
Description:	Ubuntu 8.04.3 LTS
Release:	8.04
$ uname -r
2.6.24-24-generic

I've attached: 
* .xsession-errors
* var/log/Xorg.0.log
* etc/X11/xorg.conf
* deadkeyboard.txt (the full trace of xev)

** Affects: xserver-xorg-input-keyboard (Ubuntu)
     Importance: Undecided
         Status: Incomplete


** Tags: freeze keyboard x11
-- 
keyboard freezes when pressing »LEFT«+»CTRL«
https://bugs.edge.launchpad.net/bugs/397004
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