xorg Digest: Corrupt window

[Chris Sorenson]

> 
> Message: 1
> Date: Mon, 17 Jun 2019 15:01:50 -0700
> From: Andrew Kurn <kurn at sfu.ca>
> To: xorg at lists.x.org
> Subject: Corrupt window
> Message-ID: <20190617220150.GA2042 at Godzilla.local>
> Content-Type: text/plain; charset=us-ascii
> 
> I'm using the version of X current for Debian Jessie.
> 
> I find that windows are sometimes corrupted.  The typical case
> is in XTerm, when the bottom line is covered by a copy of the
> second-last line.  It happens a little more than half the
> time, so some sort of race condition.
> 
> It is not confined to XTerm; Emacs and Aisleriot show some
> of the same behavior.
> 
> In all cases, moving the window will cure the problem.  The
> redraw is correct.
> 
> So my conclusion is it's a fault in X.  I've never had to
> report an X bug before.
> 
> If you will give me a list of info to provide, I will send
> it in a later message.
> 
> Otherwise, thanks for your attention.
> 
> Andrew
> 

Your graphics hardware? If you don't know, `lspci -vv` will list 
everything connected to your PCI bus, but please parse out the graphics 
info rather than replying with the whole list.

Also, on the very unlikely possibility that it's a termcap issue, from 
an xterm window; what does `echo $TERM` tell you?