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Re: NetBSD 9.1 amd64, base X11: garbled display
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>]
- Driver "wsfb"
+ Driver "intel"
+ Option "AccelMethod" "uxa"
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.
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.
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