On Sat, 01 Oct 2022 15:36:01 +0200, Hans de Goede wrote: > > Hi, > > On 9/29/22 11:38, Takashi Iwai wrote: > > On Thu, 29 Sep 2022 11:05:47 +0200, > > Hans de Goede wrote: > >> > >> Hi, > >> > >> On 9/29/22 08:10, Takashi Iwai wrote: > >>> On Wed, 28 Sep 2022 18:33:55 +0200, > >>> Hans de Goede wrote: > >>>> > >>>> Hi, > >>>> > >>>> On 9/11/22 09:05, Takashi Iwai wrote: > >>>>> On Sun, 11 Sep 2022 08:15:59 +0200, > >>>>> Takashi Iwai wrote: > >>>>>> > >>>>>> On Sat, 10 Sep 2022 19:52:36 +0200, > >>>>>> Hans de Goede wrote: > >>>>>>> > >>>>>>> Hi All, > >>>>>>> > >>>>>>> To test some kernel work (backlight refactor) which I have been doing > >>>>>>> I have booted Debian Testing with a 6.0 kernel on a Sony Vaio VPX11S1E > >>>>>>> (which is ancient). > >>>>>>> > >>>>>>> I noticed that when tab-completing something in a terminal the > >>>>>>> terminal bell sound would keep repeating and playing another longer > >>>>>>> sound sample gets stuck with the first couple of seconds of that > >>>>>>> sample looping. > >>>>>>> > >>>>>>> This is under GNOME3 with pulseaudio as sound server. > >>>>>>> > >>>>>>> I accidentally found an interesting workaround if I run: > >>>>>>> > >>>>>>> aplay -Dplughw:CARD=MID,DEV=0 /usr/share/sounds/alsa/Front_Left.wav > >>>>>>> > >>>>>>> once, then that works properly and after that the problem is gone... > >>>>>>> > >>>>>>> Note that this laptop does have only 1 speaker AFAICT. > >>>>>>> > >>>>>>> alsa-info output below. > >>>>>>> > >>>>>>> I would be happy to test any patches / module-options which might > >>>>>>> fix this. > >>>>>> > >>>>>> Could you check the very latest Linus tree (6.0-rc5)? > >>>>>> There has been a regression fix for HD-audio, and possibly this might > >>>>>> be your case. > >>>>> > >>>>> And if this doesn't change the behavior, try snoop=0 option for > >>>>> snd-hda-intel module. > >>>> > >>>> Thanks, I've just tried with 6.0-rc6 both with and without snoop=0 > >>>> and neither helps I'm afraid. > >>> > >>> Then one another thing could be position_fix option of snd-hda-intel. > >>> Otherwise we need bisection -- supposing it worked well in the past. > >> > >> Thanks, position_fix=1 does the trick (I did not try any of > >> the other possible values). > >> > >> I see there is a snd_pci_quirk position_fix_list, so I guess > >> I should prepare a patch adding a quirk for this? > > > > I guess this is rather controller issue, so I'd patch for Poulsbo like > > below. Let me know if it works, then I'll cook a proper patch. > > > >> Or are some other position_fix values preferred and should > >> I try those first? > > > > LPIB should suffice, so no further test about the option needed. > > > > > > thanks, > > > > Takashi > > > > -- 8< -- > > --- a/sound/pci/hda/hda_intel.c > > +++ b/sound/pci/hda/hda_intel.c > > @@ -2547,7 +2547,8 @@ static const struct pci_device_id azx_ids[] = { > > .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_NOPM }, > > /* Poulsbo */ > > { PCI_DEVICE(0x8086, 0x811b), > > - .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE }, > > + .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE | > > + AZX_DCAPS_POSFIX_LPIB }, > > /* Oaktrail */ > > { PCI_DEVICE(0x8086, 0x080a), > > .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH_BASE }, > > > > > I can confirm that this does the trick, thanks: > > Reported-and-tested-by: Hans de Goede <hdegoede@xxxxxxxxxx> Thanks. I'll submit and merge the proper patch now. Takashi