Re: Acer Aspire One NetBSD 11.0-RC1 slow man pages rendering in virtual consoles

[Martin Husemann <martin%duskware.de@localhost>]

On Tue, Mar 03, 2026 at 04:33:56PM +0100, Ramiro Aceves wrote:

> [     1,046744] pci0 at mainbus0 bus 0: configuration mode 1
> [     1,046744] pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
> [     1,046744] pchb0 at pci0 dev 0 function 0: Intel Pineview Host Bridge (rev. 0x00)
> [     1,046744] agp0 at pchb0: Pineview chipset
> [     1,046744] agp0: detected 7164k stolen memory
> [     1,046744] agp0: aperture at 0x80000000, size 0x10000000
> [     1,046744] i915drmkms0 at pci0 dev 2 function 0: Intel Pineview Integrated Graphics Device (rev. 0x00)
> [     1,046744] Intel Pineview Integrated Graphics Device (miscellaneous display) at pci0 dev 2 function 1 not configured
[..]
> [     4,387451] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
> [     4,387451] [drm] Driver supports precise vblank timestamp query.
> [     4,396195] i915drmkms0: interrupting at ioapic0 pin 16 (i915drmkms0)
> [     4,427449] [drm] Initialized overlay support.
> [     4,427449] [drm] Initialized i915 1.6.0 20200114 for i915drmkms0 on minor 0
> [     4,437453] intelfb0 at i915drmkms0
> [     4,447454] [drm] DRM_I915_DEBUG enabled
> [     4,447454] [drm] DRM_I915_DEBUG_GEM enabled
> [     4,447454] intelfb0: framebuffer at 0x80009000, size 1024x600, depth 32, stride 4096
> [     5,207450] wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0

That looks all good, and i915drmkms has no excuse for being slow.

I wonder if this is causing trouble:

[     1,046744] alc0: interrupting at ioapic0 pin 16

Does "vmstat -i" report high interrupt rates for that interrupt?

Martin