not sure if I just reply to you or not .. I've managed to install mainline kernel .5.2. and 5.0 and then come forwards to even the latest 5.6 and the problem is still there ... Regards Adrian
________________________________ From: boun...@canonical.com <boun...@canonical.com> on behalf of Hui Wang <hui.w...@canonical.com> Sent: Thursday, April 30, 2020 1:30 PM To: alignedtrain...@outlook.com <alignedtrain...@outlook.com> Subject: [Bug 1875828] Re: [HDA-Intel - HDA Intel PCH, playback] Hum problem For example, to install mainline kernel 5.2-rc6: https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.2-rc6/ or mainline kernel 5.0: https://kernel.ubuntu.com/~kernel- ppa/mainline/v5.0 -- You received this bug notification because you are subscribed to the bug report. https://bugs.launchpad.net/bugs/1875828 Title: [HDA-Intel - HDA Intel PCH, playback] Hum problem Status in alsa-driver package in Ubuntu: New Bug description: On upgrading from Ubuntu 18LTS to 20.04LTS I find that if I stop playing sound 5 seconds after stopping any correctly playing sounds (video / music / radio / system ) a loud hum starts in both speakers. This is volume independent. Before the speakers would just turn off automatically and go into standby mode. expected action........... stop playing a sound and speakers go silent current action .......... stop playing a sound and 5 seconds later speakers go from silent to a loud volume independent hum ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30 Uname: Linux 5.4.0-26-generic x86_64 ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: adrian 2706 F.... pulseaudio /dev/snd/pcmC0D0p: adrian 2706 F...m pulseaudio /dev/snd/controlC1: adrian 2706 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Wed Apr 29 10:13:38 2020 InstallationDate: Installed on 2018-05-20 (709 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful Symptom_Card: Sound Core3D [Sound Blaster Recon3D / Z-Series] (SB1570 SB Audigy Fx) - HDA Creative Symptom_PulsePlaybackTest: PulseAudio playback test successful Symptom_Type: None of the above Title: [HDA-Intel - HDA Intel PCH, playback] Playback problem UpgradeStatus: Upgraded to focal on 2020-04-24 (5 days ago) dmi.bios.date: 11/07/2017 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F23 dmi.board.asset.tag: Default string dmi.board.name: H110M-S2H-CF dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.asset.tag: 7438200-003 dmi.chassis.type: 3 dmi.chassis.vendor: NOVATECH LTD dmi.chassis.version: V1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF23:bd11/07/2017:svnNOVATECHLTD:pnMBB-71004:pvrV1.0:rvnGigabyteTechnologyCo.,Ltd.:rnH110M-S2H-CF:rvrx.x:cvnNOVATECHLTD:ct3:cvrV1.0: dmi.product.family: AMI PLATFORM dmi.product.name: MBB-71004 dmi.product.sku: MBB-71004 dmi.product.version: V1.0 dmi.sys.vendor: NOVATECH LTD To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1875828/+subscriptions -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1875828 Title: [HDA-Intel - HDA Intel PCH, playback] Hum problem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1875828/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
