<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Fri, Jan 2, 2026 at 12:00 PM Mike Perkins via mythtv-users <<a href="mailto:mythtv-users@mythtv.org">mythtv-users@mythtv.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 02/01/2026 16:42, John Hoyt wrote:<br>
> On Fri, Jan 2, 2026 at 11:32 AM Alain via mythtv-users <<br>
> Another couple ideas, did the ubuntu upgrade remove (or not update) the<br>
> nvidia-vaapi-driver? Also, did Ubuntu possibly switch you from Xorg to<br>
> Wayland?<br>
> <br>
Off the immediate topic, perhaps, but still relevant to most mythtv users: is <br>
there a way to permanently disable Wayland? I'm getting obscure error messages <br>
while running other programs and wondered.<br>
<br>
I'm just in the process of upgrading from Debian Bookworm to Trixie.<br></blockquote><div><br></div><div>Several ways, the easiest if to tell your display manager to disable it:</div><div><br></div>For gdm3<br>edit /etc/gdm3/custom.conf <br>add or uncomment:<br></div><blockquote style="margin:0 0 0 40px;border:none;padding:0px"><div class="gmail_quote gmail_quote_container">WaylandEnable=false</div></blockquote><br><div>For sddm</div><div>edit /etc/sddm.conf or add/edit a file in /etc/sddm.conf.d<br></div><div>find (or add) the [Wayland] section and add:</div><blockquote style="margin:0 0 0 40px;border:none;padding:0px"><div>Enable=false</div></blockquote><blockquote style="margin:0 0 0 40px;border:none;padding:0px"><div><span style="background-color:rgb(243,245,246);color:rgb(10,10,10);font-family:monospace;font-size:14px"><br></span></div></blockquote></div>