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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CNL] HDMI video doesn't come back after S3 state , only with HDMI connected"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104228#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CNL] HDMI video doesn't come back after S3 state , only with HDMI connected"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104228">bug 104228</a>
from <span class="vcard"><a class="email" href="mailto:armando.antoniox.mora.reos@intel.com" title="Armando Antonio <armando.antoniox.mora.reos@intel.com>"> <span class="fn">Armando Antonio</span></a>
</span></b>
<pre>
This issues still happen on CNL with the following configuration:
======================================
Software
======================================
kernel version : 4.16.0-rc1-drm-tip-ww7-commit-b955007+
hostname : gfx-CannonLake-Client-Platform
architecture : x86_64
os version : Ubuntu 17.10
os codename : artful
kernel driver : i915
bios revision : 124.2
bios release date : 02/05/2018
ksc : 1.36
hardware acceleration : disabled
swap partition : enabled on (/dev/nvme0n1p2)
======================================
Graphic drivers
======================================
grep: /opt/X11R7/var/log/Xorg.0.log: No such file or directory
======================================
Hardware
======================================
motherboard model : CannonLakeClientPlatform
motherboard id : CannonLakeYLPDDR4RVP
form factor : Laptop
manufacturer : IntelCorporation
cpu family : Other
cpu family id : 6
cpu information : Genuine Intel(R) CPU 0000 @ 1.00GHz
gpu card : Intel Corporation Device 5a49 (rev 03) (prog-if 00
[VGA controller])
memory ram : 7.63 GB
max memory ram : 8 GB
display resolution : 1600x900
cpu thread : 4
cpu core : 2
cpu model : 102
cpu stepping : 2
socket : Other
current cd clock frequency : 336000 kHz
maximum cd clock frequency : 528000 kHz
displays connected : HDMI-A-1
======================================
Firmware
======================================
dmc fw loaded : yes
dmc version : 1.7
guc fw loaded : fetch NONE, load NONE
guc version wanted : wanted 0.0, found 0.0
guc version found : wanted 0.0, found 0.0
======================================
kernel parameters
======================================
quiet splash i915.alpha_support=1 drm.debug=0x1e
dmesg summary
[ 166.216916] IRQ 135: no longer affine to CPU1
[ 166.217927] smpboot: CPU 1 is now offline
[ 166.240881] IRQ 32: no longer affine to CPU2
[ 166.240894] IRQ 122: no longer affine to CPU2
[ 166.240898] IRQ 124: no longer affine to CPU2
[ 166.240902] IRQ 129: no longer affine to CPU2
[ 166.240913] IRQ 130: no longer affine to CPU2
[ 166.240917] IRQ 133: no longer affine to CPU2
[ 166.240927] IRQ 134: no longer affine to CPU2
[ 166.241938] smpboot: CPU 2 is now offline
[ 166.264656] IRQ 1: no longer affine to CPU3
[ 166.264668] IRQ 8: no longer affine to CPU3
[ 166.265718] smpboot: CPU 3 is now offline
[ 166.274054] ACPI: Low-level resume complete
[ 166.274397] ACPI: EC: EC started
[ 166.274400] PM: Restoring platform NVS memory
[ 166.275991] Enabling non-boot CPUs ...
[ 166.276294] x86: Booting SMP configuration:
[ 166.276298] smpboot: Booting Node 0 Processor 1 APIC 0x2
[ 166.278576] x86/cpu: Activated the Intel User Mode Instruction Prevention
(UMIP) CPU feature
[ 166.283532] cache: parent cpu1 should not be sleeping
[ 166.286427] CPU1 is up
[ 166.286738] smpboot: Booting Node 0 Process
attached new dmesg</pre>
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