CoreELEC is now available to be tested. Hopefully this release is the answer to
the vaious display issues that have plagued the previous 8.95.4.x releases. can be downloaded from here.

Which as some of you might notice is not our normal Github release page but that of one of the CoreELEC developers. Because the auto-update feature pulls it’s release information from the main release page we wanted to make sure this got more testing then the previous couple of releases before being accessible to the auto update feature.

The 8.95.5 release is well on it’s way. For it to be able to contain the improvements that where intended
for the 8.95.4 release we would like this release to be verified working by any one who had previously reported display issues with the 8.95.4.x releases.

Note: To make sure we get accurate results when testing you should remove any custom disp_cap file and make sure that you have not added anything like echo 422,10bit > /sys/class/amhdmitx/amhdmitx0/attr to your file. Writes to /sys/class/amhdmitx/amhdmitx0/attr can break stuff now (If you don’t know what that is you’re probably ok. :slight_smile: )



  • fixed black screen issues for 1080p introduced in 8.95.4 and release.
  • fixed black screen issues for 4k introduced in and release.
  • fixed some regressions in image quality.
  • fix auto cs/cd switching

Everything is fine except there’s still no boot splash or any info until Kodi is up and running.
Only thing I’m having on the screen in Out of range message from TV (Sony Bravia KDL 32S3020).


i still not have 4Kh50/60 with this Version. No own disp_cap File in Userdata Folder.
At beginning a have the black screen Problem with Denon AVR. Directly Philips TV is OK.
With i have no 50/60hz in 4K Mode in the Settings, but no black screen with AVR.
Same Problem with Hope it will helps.

cat /sys/devices/virtual/amhdmitx/amhdmitx0/disp_cap

With regards,


What are the exact models of your TV and AVR?


Philips PUK7100 TV and Denon AVR X1100W.


You need to make sure that HDMI 2.0 (Deep color/Pure color/something like that) is enabled on both the AVR and the TV.
Another thing, try to turn on the devices in the following order:
TV --> AVR --> CE Box.
The issue is that the AVR doesn’t report the HDMI port as HDMI 2.0 capable, and so you don’t see the extra resolutions that are usually available.

Edit: Now I see that the TV is from 2015, it doesn’t support HDMI 2.0.
I think there may still be a problem in CE’s detection of 4K@60Hz@4:2:0 capability, that’s why you can’t see the 50/60Hz option, as it’s only possible over HDMI 1.4 when using 4:2:0 Chroma.

I’m using a 1080p TV and AVR and haven’t had any problems using 8.95.4 or 4.1 or 4.2. My question is more of curiosity in case i buy 4k TV: Do I understand correctly that until 8.95.3 4K TVs were working fine - what was changed in version 4 that started all these problems? Was it supposed to be an improvement that caused compatibility problems? Was it a change that originated from Kodi/Libreelec, or is it specific to Coreelec?

We merged some OSMC commits that better detect and parse the capability of displays using EDID. They also allow to autoswitch color depth automatically, depending on content. But the problem then becomes that often the devices are not providing correct EDID information, or in the case of AVRs, if they turn on before the TV, they don’t pass the full EDID capabilities of the display. That makes CE limit the number of available resolutions.

Hey Coolest,

my TV have HDMI 2.0 (Specification and HDCP 2.2). The TV can Display

480i – 60 Hz
• 480p – 60 Hz
• 576i – 50 Hz
• 576p – 50 Hz
• 720p – 50 Hz, 60 Hz
• 1080i – 50 Hz, 60 Hz
• 1080p – 24 Hz, 25 Hz, 30 Hz
• 2160p – 24 Hz, 25 Hz, 30 Hz, 50 Hz, 60 Hz

Im a little bit confused. In a further Version i dont have the 30hz Problem in Kodi. Before 8.95.4 i have 4K60Hz in Kodi.
On TV and AVR i dont have change some Settings. So i think it is a Problem (?) with new Coreelec or Kodi Feature.

Whats your Opinion?

I’d like to see the full HDMI specification of the TV.
HDCP 2.2 is something else, and you can have HDCP 2.2 with HDMI 1.4 ports.
It’s possible that there is a problem with CE’s implementation of these corner cases.
I think your TV can only do 4K@60Hz with 8bits and 4:2:0 Chroma, and that’s where we seem to have an issue right now.

Thanks for Reply.

Here the Specification:
Seite des Fernsehers

• Kopfhörer: 3,5 mm Stereo-Miniklinkenbuchse

• 2 x HDMI-Eingang

• 2 x USB 2.0

• 1 x CI-Steckplatz: CI+/CAM

Rückseite des Fernsehers

• Audioeingang (DVI an HDMI): 3,5 mm Stereo-


• SCART: Audio-L/R, CVBS-Eingang, RGB

• YPbPr: Y Pb Pr, Audio links/rechts


• HDMI 1-Eingang ARC HDMI 2.0

• HDMI 2-Eingang ARC HDMI 2.0

• 1 x USB 2.0

• Audioausgang – Optisch, Toslink

• Netzwerk-LAN: RJ45

• Antenne (75 Ω)

• Satellitentuner



Auflösung – Bildwiederholfrequenz

• 480i – 60 Hz

• 480p – 60 Hz

• 576i – 50 Hz

• 576p – 50 Hz

• 720p – 50 Hz, 60 Hz

• 1080i – 50 Hz, 60 Hz

• 1080p – 24 Hz, 25 Hz, 30 Hz

• 2160p – 24 Hz, 25 Hz, 30 Hz, 50 Hz, 60 Hz


Auflösungen (u. a.)

• 640 x 480p – 60 Hz

• 800 x 600p – 60 Hz

• 1024 x 768p – 60 Hz

• 1280 x 768p – 60 Hz

• 1360 x 765p – 60 Hz

• 1360 x 768p – 60 Hz

• 1280 x 1024p – 60 Hz

• 1920 x 1080p – 60 Hz

• 3840 x 2160p – 24 Hz, 25 Hz, 30 Hz, 50 Hz,

60 Hz


I have Found Playformats. But i think. this is only important for Play from HDD/USB.


• Container: 3GP, AVCHD, AVI, MPEG-PS, MPEG-TS,

MPEG-4, Matroska (MKV), Quicktime (MOV, M4V,

M4A), Windows Media (ASF/WMV/WMA)

• Video-Codecs: MPEG-1, MPEG-2, MPEG-4 Part 2,

MPEG-4 Part 10 AVC (H264), VC-1, WMV9, H.265


• Audio-Codecs: AAC, HE-AAC (v1/v2), AMR-NB,

Dolby Digital, Dolby Digital Plus, DTS Premium

Sound™, MPEG-1/2/2.5 Layer I/II/III (mit MP3), WMA

(v2 bis v9.2), WMA Pro (v9/v10)

• Untertitel:

– Formate: SAMI, SubRip (SRT), SubViewer (SUB),

MicroDVD (TXT), mplayer2 (TXT), TMPlayer (TXT)

– Zeichensätze: UTF-8, Mitteleuropa und Osteuropa

(Windows-1250), Kyrillisch (Windows-1251),

Griechisch (Windows-1253), Türkisch (Windows-1254),

Westeuropa (Windows-1252)

• Bild-Codecs: JPEG, JPS, MPO

• Beschränkungen:

– Die maximal unterstützte Gesamt-Bitrate für eine

Mediendatei beträgt 30 Mbit/s.

– Die maximal unterstützte Video-Bitrate für eine

Mediendatei beträgt 20 Mbit/s.

– MPEG-4 AVC (H.264) wird bis High Profile @ L4.1


– H.265 (HEVC) wird bis Main/Main 10 Profile bei

Level 5.1 unterstützt.

– VC-1 wird bis Advanced Profile @ L3 unterstützt.

@mhbosch a few quations about your setup.

Do you have Video Conversion set on your avr?

Which hdmi input are you using on the avr?

Was just looking through the manuals for a couple different models of avr and it seems these two things might make a difference.

Hello cdua13a,

i have the 4K Game Input connect to the Odroid C2 Player.
What is the Meaning of “Video Conversation”?


The “video conversion” is an option that tells the avr to change the video signal before passing it to the tv.

from the manual in german. if that helps.
“Videokonvertierung - Das Eingangsvideosignal wird automatisch in Verbindung mit dem angeschlossenen Fernsehgerät umgewandelt.”


i cant find this Selection in the webpanel settings from my AVR.


Auflösung 4K Full
Farbraum YCbCr 4:2:0
Farbtiefe — > —

Schnittstelle HDMI 3D
Unterst. Auflös. 480i/p

The 4K is only available at two Inputs. I think, the AVR make no upscaling conversation and 4K ist only passthrough.

The Test Update works good. Now i have 50/60Hz.

Thanks and Greetings

Hey i did this once upon a time: echo 422,10bit > /sys/class/amhdmitx/amhdmitx0/attr

How do i undo this before installing the newer versions.

A reboot clears this. Check if you have it in Configfiles\ (~/.config/

It is in the file. Can i just edit and remove it?

Yes, remove that line and after a reboot it won’t have any effect.

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