Bug#755683: Same issue

[Jonas Lippuner]

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I've been experiencing the same issue since the update from 337.xx.
The issue has been present in both 340.24 and 340.32.

Many applications are affected and the issue randomly varies in
severity but it can become *really* annoying, especially when it's
happening while typing. Essentially, there is a big delay (several
seconds or until a mouse click or other keyboard event) until a window
is redrawn.

I've had it repeatedly happen while I was typing and with every
keystroke, the window would be redrawn with the previous state, so
that the currently displayed window never reflected the actual typed text.

I first thought it may be connected with the new xserver (1.16) that
now apparently has support for DRI3. So I first tried to disable DRI3
but that didn't work (I'm also not sure whether I succeeded at
disabling DRI3). Then I downgraded the xserver to 1.15 but that didn't
fix the problem either. Finally, I bit the bullet and downgraded
nvidida-driver (and all associated packages) to 337.67-2 (which also
required downgrading the kernel to 3.14-1). This finally fixed the
problem.

I think the severity of this bug should be at least important, if not
serious, as it was really difficult to use my computer sometimes
(especially when there was a big lag in refreshing windows where I'm
typing).


Best,
Jonas

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