On F9, my Lenovo T61 laptop was playing sounds through its built-in loudspeaker if I do not insert anything into headphone jack. When I installed F11, this no longer happens. Sounds play in headphones if I plug them in, but without them, there is no audible sound. My guess: it may have something to do with PulseAudio, I vaguely remember that both "right click on volume icon->Sound Preferences" and alsamixer were showing a much richer selection of controls in F9; in F11, there is only one output control, "Master". However, I can't retest it on F9 again, so this is just a guess. I am happy to help with diagnosing by disabling PulseAudio and/or tweaking its setup. Just tell me how to do that.
This is probably simply a mixer misinitialization. Please use "alsamixer -c0" to fiddle around with your volume control and try to get it working with that. In F12 there is now a graphical way to control the output port of a sound card.
alsamixer -c0 shows these palyback controls: Master Headphon PCM Mic Mic Boos IEC958 IEC958 D IEC958 P Beep Docking Docking Internal Internal Speaker and I can unmute Speaker control to get loudspeaker working again. BTW, it gets disabled when I insert headphones. Looks like it happens on hardware level. With Speaker permanently on, the behavior matches F9. I leave it up to you whether you want to enable Speaker in F11 to fix it for other T61 users. I guess it might be hard for you to determine when (on which hardware) this needs to be done, in order to not break other setups.
OK, reassigning to alsa-utils then. There should be an entry for your hw to unmute Speaker by default. Please attach output alsa-info.sh --no-upload generates.
Created attachment 358061 [details] "alsa-info.sh --no-upload" output Note that I already had Speaker output enabled when I was running "alsa-info.sh --no-upload".
*** Bug 521889 has been marked as a duplicate of this bug. ***
Created attachment 361910 [details] W700 "alsa-info.sh --no-upload" Lenovo W700 alsa-info output
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