HDMI audio and AC3 audio output does not work in Intel NUC

[Martin]

I have a Intel NUC7PJYH with HDMI video and audio to a monitor. Also I use SPDIF ac3 output (having libasound2-plugins-extra). This always worked fine. Since a few weeks, HDMI and ac3 is gone. I.e. 'aplay -l' does not show HDMI any more.
Now I found out that if I boot without any usb devices connected (without webcam,mouse,keyboard), it works and I have the HDMI audio output.
Does this point into a IRQ problem?
Attached find the apport and the alsa-info when HDMI was present and when it was not present.

[Hui Wang (hui.wang)]

Did you notice a significant delay for booting process when the HDMI and ac3 can't work? there are 30s delay between #1 and #2. Please check the dmesg to find why there is a 30s delay when plugging a usb sound card.

[ 37.065157] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC233: line_outs=1 (0x1b/0x0/0x0/0x0/0x0) type:line
[ 37.065160] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 37.065161] snd_hda_codec_realtek hdaudioC0D0: hp_outs=1 (0x21/0x0/0x0/0x0/0x0)

[ 4.677078] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC233: line_outs=1 (0x1b/0x0/0x0/0x0/0x0) type:line
[ 4.677081] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 4.677082] snd_hda_codec_realtek hdaudioC0D0: hp_outs=1 (0x21/0x0/0x0/0x0/0x0)

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1834248

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Martin (martin3000)]

In dmesg I see this:

[ 1.817356] platform eisa.0: Probing EISA bus 0
[ 1.817359] platform eisa.0: EISA: Cannot allocate resource for mainboard
[ 1.817362] platform eisa.0: Cannot allocate resource for EISA slot 1
[ 1.817364] platform eisa.0: Cannot allocate resource for EISA slot 2
[ 1.817366] platform eisa.0: Cannot allocate resource for EISA slot 3
[ 1.817368] platform eisa.0: Cannot allocate resource for EISA slot 4
[ 1.817370] platform eisa.0: Cannot allocate resource for EISA slot 5
[ 1.817372] platform eisa.0: Cannot allocate resource for EISA slot 6
[ 1.817373] platform eisa.0: Cannot allocate resource for EISA slot 7
[ 1.817375] platform eisa.0: Cannot allocate resource for EISA slot 8
[ 1.817377] platform eisa.0: EISA: Detected 0 cards
-------------------------------------------------------------------------------------
[ 2.194171] usb 1-1: config 1 has an invalid interface number: 4 but max is 3
[ 2.194174] usb 1-1: config 1 has an invalid interface number: 5 but max is 3
[ 2.194175] usb 1-1: config 1 has no interface number 0
[ 2.194176] usb 1-1: config 1 has no interface number 1
------------------------------------------------------------------------------------
[ 28.830543] xor: measuring software checksum speed
[ 28.868236] prefetch64-sse: 10013.000 MB/sec
[ 28.908236] generic_sse: 8967.000 MB/sec
[ 28.908237] xor: using function: prefetch64-sse (10013.000 MB/sec)
[ 28.944183] Btrfs loaded, crc32c=crc32c-intel
[ 70.269653] fbcon: inteldrmfb (fb0) is primary device
[ 70.269997] Console: switching to colour frame buffer device 480x135
[ 70.270009] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device

[Hui Wang (hui.wang)]

Please test latest mainline kernel:

https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.2-rc6/

download linux-image-unsigned-5.2.0-050200rc6-generic_5.2.0-050200rc6.201906222033_amd64.deb and linux-modules-5.2.0-050200rc6-generic_5.2.0-050200rc6.201906222033_amd64.deb

Then install them by:
sudo dpkg -i linux-modules-5.2.0-050200rc6-generic_5.2.0-050200rc6.201906222033_amd64.deb
sudo dpkg -i linux-image-unsigned-5.2.0-050200rc6-generic_5.2.0-050200rc6.201906222033_amd64.deb

after that, reboot

[Martin (martin3000)]

Boots much much faster and HDMI works! Thank you!
What was the problem or solution?

[Hui Wang (hui.wang)]

Probably it is the graphic driver's problem.

need to test different kernel versions to locate the problem. like kernel-v5.2-rc1/2/3 or v5.1-rc1/2/3 ...