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Created attachment 1201315 [details] output of alsa-info.sh Description of problem: Hissing sound (static noise) through headphones. Version-Release number of selected component (if applicable): Fedora 24 Kernel 4.7.3-200.fc24.x86_64 How reproducible: Always Steps to Reproduce: 1. Connect headphone to front headphone jack 2. Hear hissing sound 3. Switch to back line-out jack 4. No hissing sound 5. Connect headphone to front headphone jack 6. Mute output through mixer -> no hissing sound anymore 7. Disconnect headphone cable -> no hissing sound anymore 8. Connect headphone to Android phone -> no hissing sound 9. Connect headphone to same computer while on Win10 or rebooting -> no hissing sound Actual results: Hissing sound / static noise Expected results: No hissing sound / static noise Additional info: To rule out a defective headphone, I have connected it my Android phone and there is no hissing sound. I also have Win10 installed on this same computer and there is no noise while using it. Finally, while the computer is rebooting or before Linux had a chance to load all drivers, there is no noise. I've tried adding "options snd-hda-intel model=generic" to /etc/modprobe.d but that had no effect. Hardware: ASUS Sabertooth Z170 Mark 1 motherboard Bose QuietComfort 15 headphone Generic Philips earbuds
*********** MASS BUG UPDATE ************** We apologize for the inconvenience. There are a large number of bugs to go through and several of them have gone stale. Due to this, we are doing a mass bug update across all of the Fedora 24 kernel bugs. Fedora 25 has now been rebased to 4.10.9-100.fc24. Please test this kernel update (or newer) and let us know if you issue has been resolved or if it is still present with the newer kernel. If you have moved on to Fedora 26, and are still experiencing this issue, please change the version to Fedora 26. If you experience different issues, please open a new bug report for those.
*********** MASS BUG UPDATE ************** This bug is being closed with INSUFFICIENT_DATA as there has not been a response in 2 weeks. If you are still experiencing this issue, please reopen and attach the relevant data from the latest kernel you are running and any data that might have been requested previously.