Roel Janssen <r...@gnu.org> writes: > Chris Marusich writes: > >> Roel Janssen <r...@gnu.org> writes: >> >>> Ricardo Wurmus writes: >>> >>>> Hi Roel, >>>> >>>>> With the following patch to the Xorg configuration file, I have a >>>>> tear-free GuixSD experience. I wonder if this is upstreameable in some >>>>> way. This patch is probably too broad in effect. Can I change it so >>>>> that only the graphics card I have will be affected by this patch? >>>> >>>> I’m not sure about this, but you can apply it only to your system by >>>> changing the slim-service’s “startx” value like this: >>>> >>>> --8<---------------cut here---------------start------------->8--- >>>> (modify-services %desktop-services >>>> (slim-service-type >>>> config => (slim-configuration >>>> (inherit config) >>>> (startx (xorg-start-command >>>> #:configuration-file >>>> (xorg-configuration-file >>>> #:extra-config >>>> (list your-fix))))))) >>>> --8<---------------cut here---------------end--------------->8--- >>>> >>>> But I suppose what you want is to apply it unconditionally in Guix and >>>> have the X server ignore it for all but this one graphics card, right? >>> >>> No, not necessarily. I could no longer do 'guix pull && guix system >>> reconfigure ...', which I attempted to solve by upstreaming this patch. >> >> Why wouldn't you be able to do a 'guix pull && guix system reconfigure'? > > Because that would build a system generation which doesn't contain the > patched Xorg config. Ricardo's snippet solved that. > >> >>> I wonder if anyone else is having the same problem on this hardware.. >> >> Yes, I have this problem. I use a Lenovo X200. Like Mark, graphical >> Emacs doesn't display characters right, and it's difficult to tell what >> the buffer actually contains, sometimes. I've reconfigured my system to >> use the extra Xorg config you've provided in this thread, and I'll let >> you know in a week or two if it seems to have fixed the problem. > > Thanks. > > Kind regards, > Roel Janssen
Just wanted to close the loop here: I have not had any tearing problems since applying the patch. Sounds like the problem has been resolved through a slightly different means, though (with commit b049ae2f9708794f83c41171c19ffdfe4f11807e). Accordingly, I've removed the extra xorg configuration from my operating system configuration file and simply reconfigured using the latest origin/master. Thank you for starting this discussion! It's really nice to be able to use graphical emacs now without needing to frequently invoke M-x redraw-display. -- Chris
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