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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [hsw] KMS does not work on Dell XPS 8700"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73559#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [hsw] KMS does not work on Dell XPS 8700"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73559">bug 73559</a>
from <span class="vcard"><a class="email" href="mailto:przanoni@gmail.com" title="Paulo Zanoni <przanoni@gmail.com>"> <span class="fn">Paulo Zanoni</span></a>
</span></b>
<pre>Just to make sure:
After the "freeze", you can't even SSH to the machine, right? Pressing caps
lock/num lock won't trigger the Keyboard LEDs, right?
Can you please boot with nomodeset and then "cat /proc/cmdline" and paste it
here?
I find it really really weird that we only detected HDMI at the HW state
readout code, but then drm_enable_connectors thinks VGA is connected, then we
do this:
[ 100.312604] [drm:drm_enable_connectors], connector 9 enabled? yes
[ 100.312606] [drm:drm_enable_connectors], connector 12 enabled? no
[ 100.312608] [drm:drm_enable_connectors], connector 15 enabled? no
[ 100.312610] [drm:drm_enable_connectors], connector 17 enabled? yes
[ 100.312612] [drm:drm_target_preferred], looking for cmdline mode on
connector 9
[ 100.312614] [drm:drm_target_preferred], looking for preferred mode on
connector 9
[ 100.312617] [drm:drm_target_preferred], found mode 1024x768
[ 100.312619] [drm:drm_target_preferred], looking for cmdline mode on
connector 17
[ 100.312621] [drm:drm_target_preferred], looking for preferred mode on
connector 17
[ 100.312623] [drm:drm_target_preferred], found mode 1280x1024
[ 100.312625] [drm:drm_setup_crtcs], picking CRTCs for 8192x8192 config
[ 100.312629] [drm:drm_setup_crtcs], desired mode 1024x768 set on crtc 3
[ 100.312631] [drm:drm_setup_crtcs], desired mode 1280x1024 set on crtc 5
Connector 17 is HDMI, but connector 9 is VGA. For some reason the DRM layer
things CRT is connected.
Just a quick test we could do, in case you're familiar with compiling/testing
Kernels: remove the "intel_crt_init()" call from intel_setup_outputs() from
intel_display.c. That would explain at leas that the problem is the bad CRT
detection.</pre>
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