Dell Precision M6800 worked fine for a year. Some recent change has
caused the sound cards to disappear.
Hitting the volume control buttons on my (Logitech K350 or laptop
built-in) keyboard or digging through the settings of my Gnome
desktop for Sound shows that "Dummy Output" is my only option. While
its opinion of me isn't wrong, I could use some help getting this
working. It had been working well for years, upgraded in place to
Fedora 35. It was working after the big dnf system-upgrade, but sound
disappeared after a later update.
Internal laptop speakers make no noise, plugging headset into the
headset jack shows no dialog for "you just plugged something in" nor
makes sound.
Basic troubleshooting pointers on what to search for would be appreciated.
Machine: Dell Precision M6800: i7, 16Gb RAM, dual 1TB 5400rpm hdds,
intel video and AMD FirePro M6100 graphics.
Current kernel:
Linux jupiter.in.tedroche.com 5.19.4-100.fc35.x86_64 #1 SMP
PREEMPT_DYNAMIC Thu Aug 25 17:41:09 UTC 2022 x86_64 x86_64 x86_64
GNU/Linux
lspci -v shows:
00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core
Processor HD Audio Controller (rev 06)
Subsystem: Dell Device 05cd
Flags: bus master, fast devsel, latency 0, IRQ 41
Memory at f7d34000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset
High Definition Audio Controller (rev 04)
Subsystem: Dell Device 05cd
Flags: bus master, fast devsel, latency 0, IRQ 42
Memory at f7d30000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [100] Virtual Channel
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
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