Re: install attempt on olimex a64 sd card

On Tue, Apr 07, 2026 at 06:04:44PM +0200, Tobias Nygren wrote:
> > Plug in the board with HDMI connected to a DVI adapter.
> > u-boot shows its display then loads the NetBSD boot loader.
> > Everything seems fine. Then the NetBSD boot loader disappears
> > and the screen turns off, never turning back on.
> > 
> > What's going on? I have console=fb set, NetBSD should be
> > using the framebuffer.
> 
> Most likely it is using serial console but the reason
> will be difficult to determine without hooking up the serial
> console. It could be an issue with the device tree for example.

This is true.

Full boot output:

https://dmesgd.nycbug.org/dmesgd?do=view&id=8914

without nomodeset:

[   1.0000040] sunxidrm0: failed to activate endpoint: 19
[   1.0000040] sunxidrm0: reserved 40 MB DRAM for CMA
[   1.0000040] sunxifb0 at sunxidrm0
[   1.0000040] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   1.0000040] [drm] No driver support for vblank timestamp query.
[   1.0000040] [drm] Initialized sunxi 1.0.0 20190123 for sunxidrm0 on minor 0
[   1.0000040] sunxidrm0: initialized sunxi 1.0.0 20190123 on minor 0

with nomodeset (default dtb, with simplefb not "okay");

[   1.0000040] genfb0 at simplebus2: couldn't get registers

with nomodeset (custom dtb, with simplefb "okay");

[   1.0000040] genfb0 at simplebus2: couldn't get registers