Bug#394349: compiz: some windows are unaffected
Rémi Letot wrote:
> Package: compiz
> Version: 0.5.2-2
> Followup-For: Bug #394349
>
> Hello,
>
> I just installed sid on my laptop and was bitten by this bug. But I have
> more info.
>
> First of all, gnome-terminal windows are much more affected than other
> applications. I do notice some slight slowdown for other apps, but
> gnome-terminal has a clear 2 seconds delay between the moment I move the
> border, and the moment it starts moving. After that delay the move is
> quite fast but seems to happen in multiple jerky steps instead of
> fluidly. During the delay everything freezes on my screen.
>
> Much more interresting : windows that I started before launching compiz
> are unaffected. I start gnome with metacity, create some windows
> (terminals are good candidates because it's so easy to spot), then start
> compiz --replace in a terminal. All those windows react normaly to
> resizing. But if I start another terminal it will be a hog to resize,
> and freeze my display while waiting.
>
> Maximizing displays the same behaviour. Pre-compiz terminals are ok,
> post-compiz terminals have a clear delay before maximizing. One more
> symptom in this case, the maximized terminal window is blank until I
> click on it.
>
> Ok, enough for tonight, don't hesitate to ask for more info or tests.
>
Actually, this bug should probably be closed nowadays. Resizing in
compiz works much better with xserver-xorg-core 1.4, EXA, and drivers
that implement a new DRI texOffsetStart (at least radeon since 6.7.192
and intel since 2.1.1 if I remember correctly).
Which server/driver are you running? Can you try the one in unstable if
you use the radeon or intel driver? You just need to add
Option "AccelMethod" "EXA"
to section Device of your xorg.conf.
Brice
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