** Description changed: - I'm experiencing a repeating crackling noise after 19.04 upgrade that - start just after the boot and before the login. + [Impact] + After CONFIG_SND_HDA_POWER_SAVE_DEFAULT is changed to 1, the codec runtime PM is + enabled, on some codecs or for some hw design, there is noise with the codec + runtime PM enabled. + + + [Fix] + put the machine in the power_save_black_list, this will set the power_save=0 + + [Test Case] + just boot up and do some audio operations, there is no noise anymore + + [Regression Risk] + Low. this patch ony applies to the specific machines. + + + + I'm experiencing a repeating crackling noise after 19.04 upgrade that start just after the boot and before the login. I tried a bunch of fixes for pulseaudio I found googling, including this one https://wiki.archlinux.org/index.php/PulseAudio/Troubleshooting#Glitches.2C_skips_or_crackling and this one https://askubuntu.com/questions/864608/audio-crackle-through-headphones. Neither of which helped. The command "killall pulseaudio" usually stop the noise for 10 seconds, then the noise restart. The system was running smoothly on 18.10 Alessandro- ProblemType: Bug DistroRelease: Ubuntu 19.04 Package: pulseaudio 1:12.2-2ubuntu1 ProcVersionSignature: Ubuntu 5.0.0-8.9-generic 5.0.1 Uname: Linux 5.0.0-8-generic x86_64 ApportVersion: 2.20.10-0ubuntu23 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: alessandro 3310 F.... pulseaudio /dev/snd/controlC0: alessandro 3310 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Tue Mar 26 03:29:00 2019 InstallationDate: Installed on 2016-07-09 (989 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=it_IT.UTF-8 SHELL=/bin/bash SourcePackage: pulseaudio UpgradeStatus: Upgraded to disco on 2019-03-25 (0 days ago) dmi.bios.date: 02/14/2006 dmi.bios.vendor: Phoenix Technologies, LTD dmi.bios.version: 6.00 PG dmi.board.name: GA-8TRC410M-NF dmi.board.vendor: NEC COMPUTERS INTERNATIONAL dmi.chassis.type: 3 dmi.chassis.vendor: NEC COMPUTERS INTERNATIONAL dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd02/14/2006:svnPackardBellNEC:pnIMEDIA5204:pvrPB34310106:rvnNECCOMPUTERSINTERNATIONAL:rnGA-8TRC410M-NF:rvr:cvnNECCOMPUTERSINTERNATIONAL:ct3:cvr: dmi.product.name: IMEDIA 5204 dmi.product.version: PB34310106 dmi.sys.vendor: Packard Bell NEC
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1821663 Title: [regression][snd_hda_codec_realtek] repeating crackling noise after 19.04 upgrade Status in linux package in Ubuntu: Confirmed Bug description: [Impact] After CONFIG_SND_HDA_POWER_SAVE_DEFAULT is changed to 1, the codec runtime PM is enabled, on some codecs or for some hw design, there is noise with the codec runtime PM enabled. [Fix] put the machine in the power_save_black_list, this will set the power_save=0 [Test Case] just boot up and do some audio operations, there is no noise anymore [Regression Risk] Low. this patch ony applies to the specific machines. I'm experiencing a repeating crackling noise after 19.04 upgrade that start just after the boot and before the login. I tried a bunch of fixes for pulseaudio I found googling, including this one https://wiki.archlinux.org/index.php/PulseAudio/Troubleshooting#Glitches.2C_skips_or_crackling and this one https://askubuntu.com/questions/864608/audio-crackle-through-headphones. Neither of which helped. The command "killall pulseaudio" usually stop the noise for 10 seconds, then the noise restart. The system was running smoothly on 18.10 Alessandro- ProblemType: Bug DistroRelease: Ubuntu 19.04 Package: pulseaudio 1:12.2-2ubuntu1 ProcVersionSignature: Ubuntu 5.0.0-8.9-generic 5.0.1 Uname: Linux 5.0.0-8-generic x86_64 ApportVersion: 2.20.10-0ubuntu23 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: alessandro 3310 F.... pulseaudio /dev/snd/controlC0: alessandro 3310 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Tue Mar 26 03:29:00 2019 InstallationDate: Installed on 2016-07-09 (989 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=it_IT.UTF-8 SHELL=/bin/bash SourcePackage: pulseaudio UpgradeStatus: Upgraded to disco on 2019-03-25 (0 days ago) dmi.bios.date: 02/14/2006 dmi.bios.vendor: Phoenix Technologies, LTD dmi.bios.version: 6.00 PG dmi.board.name: GA-8TRC410M-NF dmi.board.vendor: NEC COMPUTERS INTERNATIONAL dmi.chassis.type: 3 dmi.chassis.vendor: NEC COMPUTERS INTERNATIONAL dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd02/14/2006:svnPackardBellNEC:pnIMEDIA5204:pvrPB34310106:rvnNECCOMPUTERSINTERNATIONAL:rnGA-8TRC410M-NF:rvr:cvnNECCOMPUTERSINTERNATIONAL:ct3:cvr: dmi.product.name: IMEDIA 5204 dmi.product.version: PB34310106 dmi.sys.vendor: Packard Bell NEC To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1821663/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
