Amlogic-no Discussion

Thx, i tried many version where was first success booting on am6plus with newer kernel 5.15.137 (from 20241231). So in all cases was bad hw acceleration of late identificated problematic video formats at CE22NO. HW acceleration for am6plus with all supported video formats (also streams) is good only on older kernel 5.15.119 (to 20241220) at CE22NO. Maybe kernel 5.15.137 need compatible/newer/better driver from Mali Mali Drivers | Mali GPU User-Space Binary Drivers – Arm Developer . Easy solution is maybe using identical mali drivers in 5.15.137 from 5.15.119 (for confirmation of reason of current issues, if was used now different version).

Libreelec have too old driver r16 with fix for kernel 5.5, 5.8, 5.9 and 5.11: GitHub - cdu13a/mali-bifrost: ARM Mali kernel drivers used with Bifrost GPU's in LibreELEC or r23: GitHub - chewitt/mali-bifrost at BX301A01B-SW-99002-r23p0-01rel0-amlogic Last opensource kernel driver is from august 2024 as r51: Mali Drivers | Open Source Bifrost Mali 3rd Gen GPU Architecture Kernel Drivers – Arm Developer

There is supporting to kernel 6.7.

Also for 5.15 are changes in last drivers mali according to file version_compat_defs.h:
#if (KERNEL_VERSION(5, 15, 0) > LINUX_VERSION_CODE)
uint uint_val;
int ret;

if (!val)
	return -EINVAL;

ret = kstrtouint(val, 0, &uint_val);

if (ret == 0) {
	if (uint_val < min || uint_val > max)
		return -EINVAL;

	*((uint *)kp->arg) = uint_val;
}

return ret;

#else
return param_set_uint_minmax(val, kp, min, max);
#endif

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Just updated about my situation about video freezes using latest 20250128 release, after i reverted back to 20250120, problems stoped so i guess somthing is wrong with latest nightly for shure

It might help others if you followed the official route to reporting issues.

https://wiki.coreelec.org/coreelec:ce_support

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Hopefully S4, S905Y4, S905W2 SoC will be supported again since nightly 20250201.

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I cant find that NO release?

The build server has some issues. Will soon be resolved.

I have been trying the 20250128 version a few times. I can get it to come up on one of my TVs without a problem but a TV with 1600x900 resolution I get Unsupported Video Signal (but can ssh in anyway) using a generic W2 Android TV box with the S905W2 so it does work with that SoC using the s4_s905w2_2g.dtb file (the box is supposed to have 4G ram but I have never been able to get any CoreElec or EmuElec 4G dtb file to work, I suspect it has to do with the fact that in Android some info apps report 2Gigs ram and some report 4Gigs ram so has something to do with the installed ram).

I haven’t had time to do much testing but it does come up and I can navigate around and I have done things like change skin and added weather.

I have noticed that it seems to take a long time to power off but eventually does. I am going to try to get log files for that and submit them.

EDIT: Sorry I didn’t realize this topic was for a newer version. I only see the 20250128 version available so thought it was an older version being discussed.

Last builds were buggy. Also i saw many times that after run retroarch was panasonic TV turn off (this bug was not to build cca 5.1.2024 with identical last retroarch). But i dont have logs from this situations and issues are too much also without it. Also my panasonic TV remote had issue with last builds. So maybe CEC is also broked.

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Bug with bad HW acceleration of some video formats and iptv streams is always on last build from 5nd february 2025 on am6+.

Latest nightly pops up ‘CEC installation failed’.
Never seen that one before :wink:
This happens on a N2 rev a if that matters…
/Edit: after Kodi restarted from a lockup, it said ‘cec addon installed’.

Also, if gui refresh differs from content and content is 23.976 MHz, then a black screen / sound reset happens when playing media and then switching to the gui and back while media still playing.

When switching to iptv channel while local content is playing, Kodi sometimes locks up and restarts. First time for that one, too.

Don’t post support requests by using banned addons!

https://kodi.wiki/view/Official:Forum_rules/Banned_add-ons

No support by PM or email!

Make clean fresh install without banned addons and try again.

Just to report with latest nightly the refresh rate switching issue with black screen / sound reset do not occur anymore. Nice!

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Unable to activate HDMI-CEC adapter.

Note:I ran it by manually editing the CEC xml file.(/storage/.kodi/userdata/peripheral_data/cec_CEC_Adapter.xml)