Slow xorg after upgrade

Frank Shute frank at
Wed Oct 18 11:16:25 UTC 2017

On Tue, Oct 17, 2017 at 09:09:05PM -0400, Chris Hill wrote:
> Hello list,
> Two days ago I had to upgrade xorg (long story). Since then, it seems 
> that text entry is laggy, as if the xterm - or any application, for that 
> matter - can't keep up with my typing. It feels like the old days of 
> typing on an ASR-33; there is a lag of less than one second between 
> typing a character and it appearing on screen. Sometimes when text 
> draws, I see a moment of raster-looking junk. This is especially visible 
> in text that updates from a program, such as the in-progress statistics 
> from fetch. Or even when pasting text via middle-click. Or even when 
> moving the cursor with the arrow keys while writing this email.
> Is this just an example of new software being more more bloated? It 
> seems to me that under the old regime things were snappy-quick.
> Before: xorg-7.7_1
> After: xorg-7.7_3
> Both: fvwm-2.6.5_7
> Both:
> $ uname -mriKv 
> 10.3-RELEASE-p11 FreeBSD 10.3-RELEASE-p11 #0: Mon Oct 24 18:49:24 UTC 
> 2016     root at 
> amd64 GENERIC 1003000
> Thank you.

Hi Chris,

You saying "...I had to upgrade xorg (long story)" gets my antennae

Perhaps you could expand on that a bit.

My first place to look would be: /var/log/Xorg.0.log and see if anything
goes awry when X starts.

I updated xorg the other day with zero problems but there again I rebuilt
all my ports (using poudriere). 

You're barking up the wrong tree suggesting software bloat in the case of
X is the problem. A regression? Maybe. But X becoming incredibly slow due
to bloat in a point-release? No.

You don't mention how you go about rebuilding your ports or what your
video hardware (and associated driver) is.




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