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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [hsw] Intel haswell NUC i915.fastboot=1 makes no difference to boot speed"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86736#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [hsw] Intel haswell NUC i915.fastboot=1 makes no difference to boot speed"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86736">bug 86736</a>
from <span class="vcard"><a class="email" href="mailto:dimitri.j.ledkov@intel.com" title="xnox <dimitri.j.ledkov@intel.com>"> <span class="fn">xnox</span></a>
</span></b>
<pre>(In reply to Chris Wilson from <a href="show_bug.cgi?id=86736#c1">comment #1</a>)
<span class="quote">> [ 0.476617] [drm] VT-d active for gfx access
> [ 0.484163] [drm] DMAR active, disabling use of stolen memory
>
> so it is not going to be able to preserve the BIOS framebuffer and mode. But
>
> [ 0.489956] [drm:intel_modeset_readout_hw_state] [CRTC:7] hw state
> readout: disabled
> [ 0.489962] [drm:intel_modeset_readout_hw_state] [CRTC:11] hw state
> readout: disabled
> [ 0.489965] [drm:intel_modeset_readout_hw_state] [CRTC:15] hw state
> readout: disabled
> [ 0.489968] [drm:intel_modeset_readout_hw_state] WRPLL 1 hw state
> readout: refcount 0, on 0
> [ 0.489971] [drm:intel_modeset_readout_hw_state] WRPLL 2 hw state
> readout: refcount 0, on 0
> [ 0.489974] [drm:intel_modeset_readout_hw_state] [ENCODER:17:TMDS-17] hw
> state readout: disabled, pipe A
> [ 0.489977] [drm:intel_modeset_readout_hw_state] [ENCODER:22:TMDS-22] hw
> state readout: disabled, pipe A
> [ 0.489979] [drm:intel_modeset_readout_hw_state] [ENCODER:24:DP MST-24]
> hw state readout: disabled, pipe A
> [ 0.489981] [drm:intel_modeset_readout_hw_state] [ENCODER:25:DP MST-25]
> hw state readout: disabled, pipe B
> [ 0.489983] [drm:intel_modeset_readout_hw_state] [ENCODER:26:DP MST-26]
> hw state readout: disabled, pipe C
> [ 0.489986] [drm:intel_modeset_readout_hw_state] [CONNECTOR:18:HDMI-A-1]
> hw state readout: disabled
> [ 0.489988] [drm:intel_modeset_readout_hw_state] [CONNECTOR:23:DP-1] hw
> state readout: disabled
> [ 0.489991] [drm:intel_modeset_readout_hw_state] [CONNECTOR:27:HDMI-A-2]
> hw state readout: disabled
>
> everything is regarded as off anyway.</span >
Hm I see. Well the Dell monitor I have is eager to go into "sleep mode" and
thus not actually showing the firmware bootsplash often. I did the following -
unplug DP cable, plug it in and quickly poweron the NUC. This way the
firmware/uefi splash is shown, then i get loads of screen flicker then I boot
to Basic System and dmesg is printed on the screen... but dracut fails to
complete the boot as things are not detected (e.g. disk/by-uuid not present)
anyway i ran udevadm trigger to fix that, complete boot and I'll see if the
dmesg / fastboot improves.</pre>
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