Comment 9 for bug 1583801
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| Louis-Michel Raynauld (louismichel) wrote | #9 |
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Same here on a XPS 15 9550 running ubuntu 16.10. This issue occurs randomly at boot for a while now (6 months+).
Sometimes multiple reboot are needed to get the headphone to work. I tried rebooting alsa or pulse audio and other tricks like alsamixer. But somehow, I found out that suspend/resume fix it everytime... (Side note, suspend/resume breaks my wifi so need to restart NetworkManager service, but that is another issue)
I wonder what the suspend/resume process does to have this fix every time...