Crash X11 with 3 commands

Jon Turney
Thu Mar 3 19:26:00 GMT 2016

On 24/02/2016 19:56, Nem W Schlecht wrote:
> On Tue, Feb 23, 2016 at 12:13 PM, Jon Turney wrote:
>> On 11/12/2015 16:21, Nem W Schlecht wrote:
>>> I was experimenting with Xterm escape sequences - trying to
>>> resize/reposition a window while its iconized and found I can crash
>>> X11 in just 3 escape commands in an Xterm (which I have in a shell
>>> script):
>>> Can anybody else confirm?  (WARNING - if it does, it'll kill all your
>>> X11 windows!  Be careful.)
>> Thanks for reporting this.
>> I was able to reproduce the crash (sporadically), but only when I was using  XWin with the -compositewm option.  Are you using that?
> Yes, I am.  My apologies, I added that ages ago and forgot about it.

No problem and thanks for testing.

This crash should be fixed as of 1.18.1-2

Still no implementation of Windows requesting themselves to be 
deiconified, which is unfortunately not straightforward to add.

Volunteer Cygwin/X X Server maintainer

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