After bisect on kernel, the https://github.com/torvalds/linux/commit/df1fceacb24853d79f41a1dd717b32ab08fa5f3f is the commit which cause the "no soundcards found" failure.
I can try to find the lost firmware for the Intel SST as the dmesg indicates ``` [ 24.760781] snd_soc_skl 0000:00:1f.3: Direct firmware load for 9d71-ACRSYS-ACRPRDCT-2-tplg.bin failed with error -2 [ 24.760788] snd_soc_skl 0000:00:1f.3: tplg fw 9d71-ACRSYS-ACRPRDCT-2-tplg.bin load failed with -2, trying alternative tplg name skl_hda_dsp_generic-tplg.bin [ 24.760809] snd_soc_skl 0000:00:1f.3: Direct firmware load for skl_hda_dsp_generic-tplg.bin failed with error -2 [ 24.760811] snd_soc_skl 0000:00:1f.3: tplg skl_hda_dsp_generic-tplg.bin failed with -2, falling back to dfw_sst.bin [ 24.760828] snd_soc_skl 0000:00:1f.3: Direct firmware load for dfw_sst.bin failed with error -2 [ 24.760829] snd_soc_skl 0000:00:1f.3: Fallback tplg fw dfw_sst.bin load failed with -2 [ 24.760831] snd_soc_skl 0000:00:1f.3: Failed to init topology! [ 24.760832] snd_soc_skl 0000:00:1f.3: ASoC: error at snd_soc_component_probe on 0000:00:1f.3: -2 [ 24.760833] snd_soc_skl 0000:00:1f.3: ASoC: failed to probe component -2 [ 24.760846] skl_hda_dsp_generic skl_hda_dsp_generic: ASoC: failed to instantiate card -2 [ 24.760897] skl_hda_dsp_generic: probe of skl_hda_dsp_generic failed with error -2 ``` -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1915117 Title: [Regression] Audio card [8086:9d71] not detected after upgrade from linux 5.4 to 5.8 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1915117/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
