Tested again on netbsd-7 with the latest pullups (ticket #590) with amd64 on a Thinkpad T420s,
i915drmkms0 at pci0 dev 2 function 0: Intel Sandy Bridge Integrated Graphics Device (rev. 0x09) drm: Memory usable by graphics device = 2048M drm: Supports vblank timestamp caching Rev 2 (21.10.2013). drm: Driver supports precise vblank timestamp query. i915drmkms0: interrupting at ioapic0 pin 16 (i915) drm: Wrong MCH_SSKPD value: 0x16040307 drm: This can cause pipe underruns and display issues. drm: Please upgrade your BIOS to fix this. drm: GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5 intelfb0 at i915drmkms0 i915drmkms0: info: registered panic notifier intelfb0: framebuffer at 0xffff80008df51000, size 1600x900, depth 32, stride 6400 wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0 Visual artifacts in firefox (similar to what others have reported). With a (much) earlier version of -7 these went away with 'Option "AccelMethod" "SNA"', but the only way to eliminate them in this version was Option "NoAccel" Otherwise all stable :) David
