[PATCH] dix: In MakeWindowOptional: Fix crash if parentOptional->cursor is NULL.

[Daniel Stone]

On Mon, Sep 28, 2009 at 07:47:46PM +0200, Kim Woelders wrote:
> On Mon, 28 Sep 2009 01:28:24 +0200, Peter Hutterer  
> <peter.hutterer at who-t.net> wrote:
> > try testing with -noreset, as Julien said the regeneration support was
> > busted in the driver. If you see crashes that happen outside of a regen,
> > that'd be serious.
> >
> Thanks, I updated to the intel driver from git and this problem seems to  
> be gone.
> 
> Next reliable crash, although a bit harder to trigger, is this:
> 
> Start server. Start xterm. Start gqview and kill it "immediately", repeat  
> start/kill gqview until server crash:
> 
> Program received signal SIGPIPE, Broken pipe.
> [...]
> 
> It can be triggered with other apps than gqview but with gqview it is  
> fairly easy.
> 
> Any suggestions?

SIGPIPE isn't a crash, it just means that you're writing to a client
which has since exited.  The server handles this gracefully, so you can
just ignore SIGPIPE.

Cheers,
Daniel
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