I've just upgraded my kernel to 4.17.4. The sound cards are now seen. Happy it is working but no idea why. bash-4.3$ cat /proc/asound/cards 0 [HDMI ]: HDA-Intel - HDA ATI HDMI HDA ATI HDMI at 0xfe940000 irq 73 1 [Generic ]: HDA-Intel - HD-Audio Generic HD-Audio Generic at 0xfe800000 irq 75 bash-4.3$ >From dmesg: [ 12.116470] snd_hda_intel 0000:09:00.1: Handle vga_switcheroo audio client [ 12.116788] snd_hda_intel 0000:09:00.1: SME is active, device will require DMA bounce buffers [ 12.117033] snd_hda_intel 0000:09:00.1: SME is active, device will require DMA bounce buffers [ 12.117613] snd_hda_intel 0000:0b:00.3: SME is active, device will require DMA bounce buffers [ 12.117844] snd_hda_intel 0000:0b:00.3: SME is active, device will require DMA bounce buffers [ 12.135422] input: HDA ATI HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:03.1/0000:09:00.1/sound/card0/input5 [ 12.136078] kvm: Nested Virtualization enabled [ 12.136221] kvm: Nested Paging enabled [ 12.136356] SVM: Virtual VMLOAD VMSAVE supported [ 12.136495] SVM: Virtual GIF supported [ 12.138170] snd_hda_codec_realtek hdaudioC1D0: autoconfig for ALC1220: line_outs=3 (0x14/0x15/0x16/0x0/0x0) type:line [ 12.138405] snd_hda_codec_realtek hdaudioC1D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0) [ 12.138632] snd_hda_codec_realtek hdaudioC1D0: hp_outs=1 (0x1b/0x0/0x0/0x0/0x0) [ 12.138855] snd_hda_codec_realtek hdaudioC1D0: mono: mono_out=0x0 [ 12.138995] snd_hda_codec_realtek hdaudioC1D0: dig-out=0x1e/0x0 [ 12.139137] snd_hda_codec_realtek hdaudioC1D0: inputs: [ 12.139277] snd_hda_codec_realtek hdaudioC1D0: Front Mic=0x19 [ 12.139418] snd_hda_codec_realtek hdaudioC1D0: Rear Mic=0x18 [ 12.139560] snd_hda_codec_realtek hdaudioC1D0: Line=0x1a [ 12.148476] EDAC amd64: Node 0: DRAM ECC disabled. [ 12.148621] EDAC amd64: ECC disabled in the BIOS or no ECC capability, module will not load. Either enable ECC checking or force module loading by setting 'ecc_enable_override'. (Note that use of the override may cause unknown side effects.) [ 12.154145] input: HD-Audio Generic Front Mic as /devices/pci0000:00/0000:00:08.1/0000:0b:00.3/sound/card1/input6 [ 12.154428] input: HD-Audio Generic Rear Mic as /devices/pci0000:00/0000:00:08.1/0000:0b:00.3/sound/card1/input7 [ 12.154718] input: HD-Audio Generic Line as /devices/pci0000:00/0000:00:08.1/0000:0b:00.3/sound/card1/input8 [ 12.155017] input: HD-Audio Generic Line Out Front as /devices/pci0000:00/0000:00:08.1/0000:0b:00.3/sound/card1/input9 [ 12.155313] input: HD-Audio Generic Line Out Surround as /devices/pci0000:00/0000:00:08.1/0000:0b:00.3/sound/card1/input10 [ 12.155593] input: HD-Audio Generic Line Out CLFE as /devices/pci0000:00/0000:00:08.1/0000:0b:00.3/sound/card1/input11 [ 12.155865] input: HD-Audio Generic Front Headphone as /devices/pci0000:00/0000:00:08.1/0000:0b:00.3/sound/card1/input12 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user