[xmonad] urxvt slow rendering

[vrs]

I used to have that problem, turning off terminal transparency helped.
Not a fix but at least a workaround. I suspect the video driver because
it was a change in driver that caused it, if I recall correctly.

Quoting Richard Watson (2017-03-08 03:17:18)
> Hello
> 
> I've been a long-time xmonad user (over 5 years) on all my machines, 
> installing using the Debian package.
> 
> I'm currently running Debian jessie kernel 3.16 on my main desktop.
> 
> Recently I upgraded Debian on my primary desktop (jessie kernel 3.16). 
> I'm running xmonad v0.11,  instead of v0.10 on my other machines.
> 
> I notice that when certain GUI application are running (e.g. Chrome, 
> vmplayer, but not firefox & thunderbird) my urxvt terminal renders 
> *really* slowly, redrawing the window line at a time! I also notice a 
> huge X server CPU load (25-50%, as shown by top).
> 
> I've looked at X server logs and config and cannot see anything that is 
> unusual.
> 
> Could there be an xmonad issue here? Has anyone else experienced 
> something similar?  Any hints as to how to debug this?
> 
> --Richard Watson
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