Description of problem: Sometime in May 2014, updates to F20 broke previously working sound. Pulseaudio seems fine, shows working sound in level monitor even when no signal is present on external jacks. Also, instructions to disable pulseaudio (yum remove alsa-plugins-pulseaudio, see https://fedoraproject.org/wiki/How_to_debug_sound_problems) had no effect. Checked all ALSA and PA mixers. Sounds does work on AMD/ATi HD7870, however, when enabled. This was previously disabled, but now is in used because other devices is broken. Version-Release number of selected component (if applicable): 1.0.27.2-2.fc20 How reproducible: Hasn't worked since it stopped working despite many efforts. Steps to Reproduce: 1. Install F20 on system with Realtek(R) ALC 892 sound card 2. Update F20 3. Actual results: Sound stops working after upgrade Expected results: Sound should continue working as it does on fresh install. Additional info:
Anybody recognize this? It's been months since this started. I'd also be interested in any updated troubleshooting procedures as the one I mention didn't help and seemed out-of-date.
I can't do this test right now, but I will; just need time. I can report, however, that 3.16.6-203 still shows the problem. I'm confident 3.17 will be the same, as changelog for kernel doesn't show any updates to snd, but I need to time verify.
https://bugzilla.kernel.org/show_bug.cgi?id=42655 you have to provide pulseaudio verbose log which indicate the jack is plugged and unplugged rapidly if your problem is related to jack detection check your comuter chassis have a hda front audio panel https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/log/sound/pci/hda?qt=grep&q=alc892
I don't understand your comment. The links you posted don't lead to instructions on how to send pa verbose log. I will try to find on my own and send. I don't have any reason to think this is related to jack detection, for one thing. What about front audio? Yes, I have that. Both used to work, but now, neither front or rear audio work, now, because of this problem.
Created attachment 965492 [details] pulse audio verbose log Well, I tried what was described here: https://wiki.ubuntu.com/PulseAudio/Log I don't think it worked, but perhaps you can tell. Running PA in this mode broke all audio, so it is not like the problem I normally experience.
Exact same behavior after upgrade to F21. Only now, displayport doesn't seem to deliver audio to monitor speakers either. Now I have no sound at all from my computer. Please help. Raymond, Can you please tell me more about troubleshooting? I will do all the work, but I'm lost.
Just an update. I was able to restore sound through the DisplayPort, so at least I have sound through monitor speakers. Still no sound through on-board audio.
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Kernel 4.1 still affected.
Kernel 4.2 still affected.
After changing video card i have "a same problem/s": no sound https://gil.fedorapeople.org/pulseverbose.log https://bugzilla.redhat.com/show_bug.cgi?id=1313434#c93
Kernel 4.5 still affected.
Still broken in F24.
So, what's the news?
It has now been FIVE full updates of Fedora and still my AC97 on-board audio that used to work, doesn't. Please please please, help! Now, I have now audio at all because 480 HDMI audio is not supported. I
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Fedora 25 changed to end-of-life (EOL) status on 2017-12-12. Fedora 25 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.