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    Pulseaudio all audio outputs gone

    It seems all my outputs have disappeared from the volume control applet this morning.

    I tried restarting pulseaudio

    Code:
    pulseaudio -k
    But get a no output device message.

    My sound card is detected right:

    Code:
     [FONT=monospace][COLOR=#5454FF][B]System:    Kernel:[/B][/COLOR] 5.9.3-050903-generic x86_64 [COLOR=#5454FF][B]bits:[/B][/COLOR] 64 [COLOR=#5454FF][B]compiler:[/B][/COLOR] N/A [COLOR=#5454FF][B]Desktop:[/B][/COLOR] KDE Plasma 5.20.2 [COLOR=#5454FF][B]tk:[/B][/COLOR] Qt 5.15.0  
              [COLOR=#5454FF][B]wm:[/B][/COLOR] kwin_x11 [COLOR=#5454FF][B]dm:[/B][/COLOR] SDDM [COLOR=#5454FF][B]Distro:[/B][/COLOR] KDE neon 20.04 5.20 [COLOR=#5454FF][B]base:[/B][/COLOR] Ubuntu 20.04 LTS Focal  
    [COLOR=#5454FF][B]Machine:   Type:[/B][/COLOR] Laptop [COLOR=#5454FF][B]System:[/B][/COLOR] Acer [COLOR=#5454FF][B]product:[/B][/COLOR] Swift SF314-42 [COLOR=#5454FF][B]v:[/B][/COLOR] V1.07 [COLOR=#5454FF][B]serial:[/B][/COLOR] <filter>  
              [COLOR=#5454FF][B]Mobo:[/B][/COLOR] RO [COLOR=#5454FF][B]model:[/B][/COLOR] Kona_RN [COLOR=#5454FF][B]v:[/B][/COLOR] V1.07 [COLOR=#5454FF][B]serial:[/B][/COLOR] <filter> [COLOR=#5454FF][B]UEFI:[/B][/COLOR] Insyde [COLOR=#5454FF][B]v:[/B][/COLOR] 1.07 [COLOR=#5454FF][B]date:[/B][/COLOR] 08/26/2020  
    [COLOR=#5454FF][B]Battery:   ID-1:[/B][/COLOR] BAT1 [COLOR=#5454FF][B]charge:[/B][/COLOR] 20.3 Wh [COLOR=#5454FF][B]condition:[/B][/COLOR] 52.9/53.0 Wh (100%) [COLOR=#5454FF][B]volts:[/B][/COLOR] 15.1/15.4 [COLOR=#5454FF][B]model:[/B][/COLOR] PANASONIC AP19B5L  
              [COLOR=#5454FF][B]type:[/B][/COLOR] Li-ion [COLOR=#5454FF][B]serial:[/B][/COLOR] <filter> [COLOR=#5454FF][B]status:[/B][/COLOR] Discharging [COLOR=#5454FF][B]cycles:[/B][/COLOR] 7  
    [COLOR=#5454FF][B]CPU:       Topology:[/B][/COLOR] 8-Core [COLOR=#5454FF][B]model:[/B][/COLOR] AMD Ryzen 7 4700U with Radeon Graphics [COLOR=#5454FF][B]bits:[/B][/COLOR] 64 [COLOR=#5454FF][B]type:[/B][/COLOR] MCP [COLOR=#5454FF][B]arch:[/B][/COLOR] Zen [COLOR=#5454FF][B]rev:[/B][/COLOR] 1  
              [COLOR=#5454FF][B]L2 cache:[/B][/COLOR] 4096 KiB  
              [COLOR=#5454FF][B]flags:[/B][/COLOR] avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm [COLOR=#5454FF][B]bogomips:[/B][/COLOR] 31939  
              [COLOR=#5454FF][B]Speed:[/B][/COLOR] 1397 MHz [COLOR=#5454FF][B]min/max:[/B][/COLOR] 1400/2000 MHz [COLOR=#5454FF][B]boost:[/B][/COLOR] enabled [COLOR=#5454FF][B]Core speeds (MHz):[/B][/COLOR] [COLOR=#5454FF][B]1:[/B][/COLOR] 1397 [COLOR=#5454FF][B]2:[/B][/COLOR] 1397 [COLOR=#5454FF][B]3:[/B][/COLOR] 1401 [COLOR=#5454FF][B]4:[/B][/COLOR] 1394  
              [COLOR=#5454FF][B]5:[/B][/COLOR] 1397 [COLOR=#5454FF][B]6:[/B][/COLOR] 1397 [COLOR=#5454FF][B]7:[/B][/COLOR] 1397 [COLOR=#5454FF][B]8:[/B][/COLOR] 1397  
    [COLOR=#5454FF][B]Graphics:  Device-1:[/B][/COLOR] Advanced Micro Devices [AMD/ATI] Renoir [COLOR=#5454FF][B]vendor:[/B][/COLOR] Acer Incorporated ALI [COLOR=#5454FF][B]driver:[/B][/COLOR] amdgpu [COLOR=#5454FF][B]v:[/B][/COLOR] kernel  
              [COLOR=#5454FF][B]bus ID:[/B][/COLOR] 03:00.0 [COLOR=#5454FF][B]chip ID:[/B][/COLOR] 1002:1636  
              [COLOR=#5454FF][B]Display:[/B][/COLOR] x11 [COLOR=#5454FF][B]server:[/B][/COLOR] X.Org 1.20.8 [COLOR=#5454FF][B]driver:[/B][/COLOR] amdgpu [COLOR=#5454FF][B]FAILED:[/B][/COLOR] ati [COLOR=#5454FF][B]unloaded:[/B][/COLOR] fbdev,modesetting,vesa  
              [COLOR=#5454FF][B]compositor:[/B][/COLOR] kwin_x11 [COLOR=#5454FF][B]resolution:[/B][/COLOR] 1920x1080~60Hz  
              [COLOR=#5454FF][B]OpenGL:[/B][/COLOR] [COLOR=#5454FF][B]renderer:[/B][/COLOR] AMD RENOIR (DRM 3.39.0 5.9.3-050903-generic LLVM 11.0.0)  
              [COLOR=#5454FF][B]v:[/B][/COLOR] 4.6 Mesa 20.2.1 - kisak-mesa PPA [COLOR=#5454FF][B]direct render:[/B][/COLOR] Yes  
    [COLOR=#5454FF][B]Audio:     Device-1:[/B][/COLOR] Advanced Micro Devices [AMD/ATI] [COLOR=#5454FF][B]vendor:[/B][/COLOR] Acer Incorporated ALI [COLOR=#5454FF][B]driver:[/B][/COLOR] snd_hda_intel [COLOR=#5454FF][B]v:[/B][/COLOR] kernel  
              [COLOR=#5454FF][B]bus ID:[/B][/COLOR] 03:00.1 [COLOR=#5454FF][B]chip ID:[/B][/COLOR] 1002:1637  
              [COLOR=#5454FF][B]Device-2:[/B][/COLOR] Advanced Micro Devices [AMD] Raven/Raven2/FireFlight/Renoir Audio Processor  
              [COLOR=#5454FF][B]vendor:[/B][/COLOR] Acer Incorporated ALI [COLOR=#5454FF][B]driver:[/B][/COLOR] snd_rn_pci_acp3x [COLOR=#5454FF][B]v:[/B][/COLOR] kernel [COLOR=#5454FF][B]bus ID:[/B][/COLOR] 03:00.5 [COLOR=#5454FF][B]chip ID:[/B][/COLOR] 1022:15e2  
              [COLOR=#5454FF][B]Device-3:[/B][/COLOR] Advanced Micro Devices [AMD] Family 17h HD Audio [COLOR=#5454FF][B]vendor:[/B][/COLOR] Acer Incorporated ALI  
              [COLOR=#5454FF][B]driver:[/B][/COLOR] snd_hda_intel [COLOR=#5454FF][B]v:[/B][/COLOR] kernel [COLOR=#5454FF][B]bus ID:[/B][/COLOR] 03:00.6 [COLOR=#5454FF][B]chip ID:[/B][/COLOR] 1022:15e3  
              [COLOR=#5454FF][B]Sound Server:[/B][/COLOR] ALSA [COLOR=#5454FF][B]v:[/B][/COLOR] k5.9.3-050903-generic  
    [COLOR=#5454FF][B]Network:   Device-1:[/B][/COLOR] Intel Wi-Fi 6 AX200 [COLOR=#5454FF][B]driver:[/B][/COLOR] iwlwifi [COLOR=#5454FF][B]v:[/B][/COLOR] kernel [COLOR=#5454FF][B]bus ID:[/B][/COLOR] 01:00.0 [COLOR=#5454FF][B]chip ID:[/B][/COLOR] 8086:2723  
              [COLOR=#5454FF][B]IF:[/B][/COLOR] wlp1s0 [COLOR=#5454FF][B]state:[/B][/COLOR] up [COLOR=#5454FF][B]mac:[/B][/COLOR] <filter>  
    [COLOR=#5454FF][B]Drives:    Local Storage:[/B][/COLOR] [COLOR=#5454FF][B]total:[/B][/COLOR] 476.94 GiB [COLOR=#5454FF][B]used:[/B][/COLOR] 146.70 GiB (30.8%)  
              [COLOR=#5454FF][B]ID-1:[/B][/COLOR] /dev/nvme0n1 [COLOR=#5454FF][B]vendor:[/B][/COLOR] A-Data [COLOR=#5454FF][B]model:[/B][/COLOR] SX8200PNP [COLOR=#5454FF][B]size:[/B][/COLOR] 476.94 GiB [COLOR=#5454FF][B]speed:[/B][/COLOR] 31.6 Gb/s [COLOR=#5454FF][B]lanes:[/B][/COLOR] 4  
              [COLOR=#5454FF][B]serial:[/B][/COLOR] <filter> [COLOR=#5454FF][B]rev:[/B][/COLOR] S0118C [COLOR=#5454FF][B]temp:[/B][/COLOR] 31 C [COLOR=#5454FF][B]scheme:[/B][/COLOR] GPT  
    [COLOR=#5454FF][B]Partition: ID-1:[/B][/COLOR] / [COLOR=#5454FF][B]size:[/B][/COLOR] 248.35 GiB [COLOR=#5454FF][B]used:[/B][/COLOR] 60.21 GiB (24.2%) [COLOR=#5454FF][B]fs:[/B][/COLOR] btrfs [COLOR=#5454FF][B]dev:[/B][/COLOR] /dev/nvme0n1p1  
              [COLOR=#5454FF][B]ID-2:[/B][/COLOR] /home [COLOR=#5454FF][B]size:[/B][/COLOR] 248.35 GiB [COLOR=#5454FF][B]used:[/B][/COLOR] 60.21 GiB (24.2%) [COLOR=#5454FF][B]fs:[/B][/COLOR] btrfs [COLOR=#5454FF][B]dev:[/B][/COLOR] /dev/nvme0n1p1  
              [COLOR=#5454FF][B]ID-3:[/B][/COLOR] swap-1 [COLOR=#5454FF][B]size:[/B][/COLOR] 2.00 GiB [COLOR=#5454FF][B]used:[/B][/COLOR] 0 KiB (0.0%) [COLOR=#5454FF][B]fs:[/B][/COLOR] swap [COLOR=#5454FF][B]dev:[/B][/COLOR] /dev/nvme0n1p3  
    [COLOR=#5454FF][B]Sensors:   System Temperatures:[/B][/COLOR] [COLOR=#5454FF][B]cpu:[/B][/COLOR] 38.6 C [COLOR=#5454FF][B]mobo:[/B][/COLOR] N/A [COLOR=#5454FF][B]gpu:[/B][/COLOR] amdgpu [COLOR=#5454FF][B]temp:[/B][/COLOR] 38 C  
              [COLOR=#5454FF][B]Fan Speeds (RPM):[/B][/COLOR] N/A  
    [COLOR=#5454FF][B]Info:      Processes:[/B][/COLOR] 310 [COLOR=#5454FF][B]Uptime:[/B][/COLOR] 10m [COLOR=#5454FF][B]Memory:[/B][/COLOR] 7.21 GiB [COLOR=#5454FF][B]used:[/B][/COLOR] 1.82 GiB (25.3%) [COLOR=#5454FF][B]Init:[/B][/COLOR] systemd [COLOR=#5454FF][B]v:[/B][/COLOR] 245 [COLOR=#5454FF][B]runlevel:[/B][/COLOR] 5  
              [COLOR=#5454FF][B]Compilers:[/B][/COLOR] [COLOR=#5454FF][B]gcc:[/B][/COLOR] 9.3.0 [COLOR=#5454FF][B]alt:[/B][/COLOR] 9 [COLOR=#5454FF][B]Shell:[/B][/COLOR] bash [COLOR=#5454FF][B]v:[/B][/COLOR] 5.0.17 [COLOR=#5454FF][B]running in:[/B][/COLOR] konsole [COLOR=#5454FF][B]inxi:[/B][/COLOR] 3.0.38 
    
    [/FONT]

    #2
    Try deleting the ~/.config/pulse directory as well, and rebooting.

    some chips using the snd_hda_intel driver may need tweaks on 5.3 and 5.4 kernels.

    Some links

    I had to use tweaks from the first link on my laptop, but oddly doing as fresh neon install on it yesterday, I did not have to. I wonder if it was from previous kernels and configs, as I don't have any of those now.

    Comment


      #3
      Erased the pulse directory. Didn't work.

      tried booting from 20.10 Live ISO, same problem.

      Started thinking it was a hardware failure, but then tried a Manjaro KDE Live USB, and sure enough audio was detected fine.

      my guess is some update was pushed in the Ubuntu Wide ecosystem that borked pulseaudio.

      note that I need to run kernel 5.7 or newer on thsi laptop due to teh graphics. Until last night it was fine.

      Comment


        #4
        Once again btrfs saves my ass.

        I restored to a point in late October when Neon was at 20.1 and everything works fine.

        This is clearly a regression introduced recently. I'm going install updates one step at a time to see what happens.

        Comment


          #5
          There was some system audio files updated this morning 11/4/20
          I'm running 20.04 LTS and I had no issues with them
          Last edited by Fred47; Nov 04, 2020, 02:53 PM.

          Comment


            #6
            Originally posted by Fred47 View Post
            There was some system audio files updated this morning 11/4/20
            You are probably right.
            I ran teh upgrades step by step. All KDE Neon updates went fine.

            I then did the ubuntu core system updates. Stuff related to samba, grub and systemd went fine. I held off all the pulseaudio/alsa stuff and so far so good.

            Anyone with a newer AMD laptop would be well served to hold off on upgrades.

            Comment


              #7
              Found the culprit. It's one of these:

              Click image for larger version

Name:	Screenshot_20201104_173251.jpg
Views:	1
Size:	15.6 KB
ID:	644913

              Comment


                #8
                BTW God Bless BTRFS. BTRFS and timeshift have made fixing this trivial.

                You guys should pick BTRFS as your next president and rollback to January.

                Comment


                  #9
                  Originally posted by mr_raider View Post
                  You guys should pick BTRFS as your next president and rollback to January.
                  Windows no longer obstructs my view.
                  Using Kubuntu Linux since March 23, 2007.
                  "It is a capital mistake to theorize before one has data." - Sherlock Holmes

                  Comment

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