Someone on this list suggested this change to me (also using i915drmkms0)
--- /etc/X11/xorg.conf 2020/04/01 20:12:03 1.1
+++ /etc/X11/xorg.conf 2020/04/01 20:16:15
@@ -75,7 +75,8 @@
#Option "DebugWait" # [<bool>]
#Option "BufferCache" # [<bool>]
Identifier "Card0"
- Driver "wsfb"
+ Driver "intel"
+ Option "AccelMethod" "uxa"
BusID "PCI:0:2:0"
EndSection
and X11 is fairly usable for me. Every now and then I see messages like
kern error:
[drm:(/usr/src/sys/external/bsd/drm2/dist/drm/i915/intel_sprite.c:132)intel_pipe_update_start]
*ERROR* Potential atomic update failure on pipe A: -35
but X11 is stable and I don't have any visual artefacts.
On Fri, Apr 9, 2021 at 9:04 PM Mayuresh <[email protected]> wrote:
> Recently installed NetBSD 9.1 amd64 on USB stick and booting a laptop.
>
> x11 is starting, but the screen looks garbled. Even xinit xterm opens
> xterm but even the prompt doesn't appear correctly. (Looks something like
> video synchronization going wrong.)
>
> X -configure shows driver as "intel". Tried changing it to "vesa", but
> that doesn't start.
>
> dmesg shows it as i915drmkms0.
>
> Would prefer base x11 to work.
>
> Let me know if any more information would help.
>
> --
> Mayuresh
>
--
Joern Clausen
https://www.oe-files.de/photography/