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List:       kwin
Subject:    Re: clientArea crash
From:       "Guillaume Pothier" <gpothier () gmail ! com>
Date:       2008-11-18 21:10:58
Message-ID: 8caa8ded0811181310o90b0667r93f65380c249baa9 () mail ! gmail ! com
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On Mon, Nov 17, 2008 at 4:40 PM, Guillaume Pothier <gpothier@gmail.com> wrote:
> Hi, I'm starting to chase down the famous bug #173017, where kwin
> crashes in Workspace::clientArea. In the scenario I'm currently
> investigating, the screen argument is -1, which is checked and
> replaced by activeScreen() (around geometry.cpp:232). However,
> activeScreen() also returns -1, hence the crash. The reason
> activeScreen() returns -1 is that the active_screen field is -1, and
> it is set to -1 in Workspace::takeActivity() (around
> activation.cpp:375). And this happens because a client has -1 as its
> screen. Is that a legal value for a client to have? What should be
> checked here?

Ideas?
g
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