Date: Tue, 24 Feb 2009 00:41:10 -0500 From: Yoshihiro Ota <ota@j.email.ne.jp> To: Garrett Cooper <yanefbsd@gmail.com> Cc: Alexander Motin <mav@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org>, Benjamin Kaduk <kaduk@mit.edu>, Ben Kaduk <minimarmot@gmail.com> Subject: Re: Annoying whitenoise sound coming from snd_hda enabled chipset Message-ID: <20090224004110.e4ad76f4.ota@j.email.ne.jp> In-Reply-To: <7d6fde3d0902211356h66b05cfcxf2ebbe9b2a6fd0f0@mail.gmail.com> References: <1235218982.00077642.1235207402@10.7.7.3> <499FFC5F.3020903@FreeBSD.org> <47d0403c0902210949i74473bc5j57c923e13c85e89@mail.gmail.com> <49A04510.5030405@FreeBSD.org> <alpine.GSO.1.10.0902211333260.28932@multics.mit.edu> <7d6fde3d0902211356h66b05cfcxf2ebbe9b2a6fd0f0@mail.gmail.com>
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On Sat, 21 Feb 2009 13:56:35 -0800 Garrett Cooper <yanefbsd@gmail.com> wrote: > On Sat, Feb 21, 2009 at 10:35 AM, Benjamin Kaduk <kaduk@mit.edu> wrote: > > On Sat, 21 Feb 2009, Alexander Motin wrote: > > > >> Ben Kaduk wrote: > >>> > >>> On Sat, Feb 21, 2009 at 8:06 AM, Alexander Motin <mav@freebsd.org> wrote: > >>>> > >>>> Garrett Cooper wrote: > >>>>> > >>>>> I don't know how else to describe it, but when I turn up my > >>>>> speakers enough (50%+) and don't have any sound playing, I hear a > >>>>> whitenoise hiss coming out of them. When I change webpages (nvidia > >>>>> driver is GIANT locked) or do something else kernel intensive it stops > >>>>> for a brief second, but apart from that it's an annoying trill sound > >>>>> almost like a mosquito humming around me waiting to be swatted. > >>>> > >>>> I think it may be radio interference with disconnected microphone > >>>> inputs. > >>>> Try to set all unneeded mixer volumes to 0, especially mic, monitor, > >>>> speaker > >>>> and mix. Inputs often have too sensitive 20-30dB pre-amplifiers. Some > >>>> codecs > >>>> have them on all inputs. > >>> > >>> It's hard to be sure, since I'm not sure that I could describe what I > >>> hear any better than Garret did, but I think I'm seeing the same sort > >>> of thing on my work desktop. I'll try setting unneeded volumes to > >>> zero the next time I'm in, and see if that helps. > >>> > >>> dmesg and pciconf are available here: > >>> http://stuff.mit.edu/afs/sipb.mit.edu/user/kaduk/freebsd/periphrasis/ > >> > >> I see there some old 7.0-STABLE dmesg without any pcm. There is nothing to > >> talk about. If you wish to have good working HDA, update to recent STABLE or > >> at least take driver from there. > > > > Oops, I had been blocking on updating from 7 to current because of > > a bounce zone bug that was causing the box to panic, and I didn't > > update the dmesg after I did finally upgrade. > > > > Should be updated, now. > > > > Sorry about that, > > > > Ben Kaduk > > Unfortunately I must use mix though or line-in doesn't function > from my console peripherals. It does appear to be the culprit > unfortunately. > So I suppose I have to live with this issue until my SB Audigy > card comes :(? This is something that should be noted in the driver > manpage or you'll get more annoyed folks with support emails like this > one ><... > Thanks, > -Garrett I think I started seeing similar issues. When I boot 8-CURRENT, it makes some low yet very silent noise, too. In my case, with hdac or pcm device, 8-CURRENT fails to boot very requentry. It fails to prove a device and doesn't proceed farthar than that point. Now it only boots once in 5 or 10 reboots. When it boots, it prints lots of following messages. hdac0: HDA Codec #0: Conexant CX20549 (Venice) hdac0: unable to allocate widgets! hdac0: unable to allocate widgets! hdac0: unable to allocate widgets! hdac0: unable to allocate widgets! hdac0: unable to allocate widgets! hdac0: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0 hdac0: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0 hdac0: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0 hdac0: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0 hdac0: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0 I think this started happening about a week ago or so, sometime between 13 and 16th. Thanks, Hiro
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