-- Robert Hoskin rhoskin@fastmail.org On Mon, Mar 25, 2024, at 12:13, Robert Hoskin wrote: > Greetings! > > The alsa-info output links below is from a Lenovo P16 Gen2, running > Linux Mint 21.3, with an intermittent sound problem. > > The problem is that: > Sound will be available from either built in speakers or headphones, > perhaps for several days after a startup, but at some point will fail, > with both Headphones (via jack) and internal Speakers disappearing from > the "sound" app, and "Dummy Output" appearing in their place. If it's > possible to reproduce this failure, I haven't figured out how. It > happens when it happens, usually after a few days of uptime. > > I've found that sound can be restored with "sudo alsa force-reload", so > I do have a workaround. > > *** For before-and-after comparison purposes... > *** > This report was taken when "Dummy Output" was shown in the Sound app: > http://alsa-project.org/db/?f=4ec46710d176deb77fcdd950520eaafc4c9db1c3 > *** > This report was taken after a "sudo alsa force-reload", which restored > both headphones and speakers to the Sound app" > http://alsa-project.org/db/?f=3832b192eaa22ea4d51b0e6073f389318b983356 > *** > > In the "System Reports" app, there are no crash reports shown. > > BUT... In the system logs app, I did find some lines in the Hardware > section that may be relevant: > 09:41:50 kernel: sof-audio-pci-intel-tgl 0000:00:1f.3: ASoC: error at > snd_soc_pcm_component_prepare on 0000:00:1f.3: -22 > 09:41:50 kernel: sof-audio-pci-intel-tgl 0000:00:1f.3: ASoC: error at > snd_soc_pcm_component_prepare on 0000:00:1f.3: -22 > 09:41:50 kernel: sof-audio-pci-intel-tgl 0000:00:1f.3: error: set pcm > hw_params after resume > 09:41:50 kernel: sof-audio-pci-intel-tgl 0000:00:1f.3: HW params ipc > failed for stream 1 > 09:41:50 kernel: sof-audio-pci-intel-tgl 0000:00:1f.3: ipc tx error for > 0x60010000 (msg/reply size: 108/20): -22 > > I really have no idea whether I'm submitting this in the right place or > not, whether this is a kernel problem, a driver problem, a config > problem, or whatever. I can tell you that this Mint install is new on > a new machine, otherwise well-behaved, with subsequent updates that > have not changed this sound behavior. > > Hope this is useful to you, love to have it fixed. > > Thanks! > > - Bob > > > -- > Robert Hoskin > rhoskin@fastmail.org