Mailinglist Archive: opensuse-bugs (7763 mails)

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https://bugzilla.novell.com/show_bug.cgi?id=223561





------- Comment #19 from dmueller@xxxxxxxxxx  2006-12-03 06:40 MST -------
let me clarify the situation a little: There is nothing in KDE that does
anything with keyboard repeat. the false keyboard repeat events come from Xorg,
which does the keyboard repeat simulation. you can clearly see that with e.g.
"xev". 

The problem is caused whenever , from the view of the Xorg process, the system
time goes backwards. This usually happens when either adjtimex() is in effect
(there seems to be a genuine kernel bug that causes time to jump around
randomly when adjtimex is in effect) or when processes are migrated between
cpu's of a hyperthreading or smp cpu. This could be because the time is
slightly different between the two cpu's. 

In any case, this is a kernel bug that can be triggered for example by acpi
changes (ACPI is known to hang the kernel time for unusually long intervals). 

if you can not reproduce it between the original 10.1 kernel but reproduce it
with a later 10.1 kernel, then diffing the rpm -q --changelog might help to
track down which patch causes the problem for you. 

I have the issue as well, it is reproduceable with any kernel older than 10.1,
but it usually goes away after a while. But as I'm forced to run the NVIDIA
binary driver I can not report the bug. 


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