On Fri, 24 Apr 2026 at 18:08, Ignatios Souvatzis <[email protected]> wrote: > > On Thu, Apr 09, 2026 at 12:28:12AM +0000, RVP wrote: > > On Wed, 8 Apr 2026, [email protected] wrote: > > > > > I've tested this on the machine in question, netbsd10.1 userland, > > > with netbsd10, netbsd11 and netbsd-11.99.5 kernels (with this patch), > > > and on a machine with intel graphics. > > > > > > > There're 2 issues (both fairly minor) with enabling the shadow FB: > > > > 1. Addtl. mem. used for it (20+ MB easily for a 4K resolution). > > ... you wouldn't want to run that resolution on a memory-starved machine > anyway. At least I wouldn't. Maybe shadowfb could be a build option?
Maybe an option to not attach in very low memory conditions? A compile time option which will fail the attach if it would take the remaining memory below it? Defaulting to something like 32M. This would be a "nice to have", not a "delay the commit" change :) David
