On 18/05/2010 08:14, Mark Stapper wrote: > On 18/05/2010 00:22, Garrett Cooper wrote: > >> On Mon, May 17, 2010 at 11:21 AM, Mark Stapper <st...@mapper.nl> wrote: >> >> >>> On 12/04/2010 16:29, Garrett Cooper wrote: >>> >>> >>>> On Tue, Apr 6, 2010 at 3:39 AM, Garrett Cooper <yanef...@gmail.com> wrote: >>>> >>>> >>>> >>>>> On Mon, Apr 5, 2010 at 12:26 PM, Garrett Cooper <yanef...@gmail.com> >>>>> wrote: >>>>> >>>>> >>>>> >>>>>> On Mon, Apr 5, 2010 at 11:22 AM, Garrett Cooper <yanef...@gmail.com> >>>>>> wrote: >>>>>> >>>>>> >>>>>> >>>>>>> Hi, >>>>>>> When I first installed FreeBSD on this machine, I had a heck of a >>>>>>> time getting the soundcard's PCM channel to function properly. It >>>>>>> would buzz incessantly when I played any audio on it; I disabled the >>>>>>> onboard snd_hda enabled audio and things magically worked, until >>>>>>> today. After a kernel upgrade and a few warm boots, I'm back to where >>>>>>> I started from -- the PCM channel buzzes whenever I play audio; >>>>>>> line-in works perfectly fine however. I'm not seeing anything out of >>>>>>> the ordinary in commits over the past couple of weeks for the pcm >>>>>>> pieces (the last successful kernel I used was 2~3 weeks old). >>>>>>> Are there any device_printf's I should add or a debug procedure >>>>>>> that you recommend I do to triage the situation? >>>>>>> Thanks, >>>>>>> -Garrett >>>>>>> >>>>>>> # uname -a >>>>>>> FreeBSD bayonetta.local 9.0-CURRENT FreeBSD 9.0-CURRENT #1 r206173M: >>>>>>> Sun Apr 4 19:54:22 PDT 2010 >>>>>>> r...@bayonetta.local:/usr/obj/usr/src/sys/BAYONETTA amd64 >>>>>>> # pciconf -lv | grep -A 4 emu >>>>>>> emu10...@pci0:8:0:0: class=0x040100 card=0x10211102 chip=0x00081102 >>>>>>> rev=0x00 hdr=0x00 >>>>>>> vendor = 'Creative Technology LTD.' >>>>>>> device = 'sound blaster Audigy 2 (ca0108)' >>>>>>> class = multimedia >>>>>>> subclass = audio >>>>>>> # dmesg | grep 'irq 16' >>>>>>> uhci0: <Intel 82801JI (ICH10) USB controller USB-D> port 0xa800-0xa81f >>>>>>> irq 16 at device 26.0 on pci0 >>>>>>> pcib7: <ACPI PCI-PCI bridge> irq 16 at device 28.1 on pci0 >>>>>>> emu10kx0: <Creative Audigy 4 [SB0610]> port 0xec00-0xec3f irq 16 at >>>>>>> device 0.0 on pci8 >>>>>>> # dmesg | grep 'pcm' >>>>>>> pcm0: <EMU10Kx DSP front PCM interface> on emu10kx0 >>>>>>> pcm0: <SigmaTel STAC9750/51 AC97 Codec> >>>>>>> pcm1: <EMU10Kx DSP rear PCM interface> on emu10kx0 >>>>>>> pcm2: <EMU10Kx DSP center PCM interface> on emu10kx0 >>>>>>> pcm3: <EMU10Kx DSP subwoofer PCM interface> on emu10kx0 >>>>>>> pcm4: <EMU10Kx DSP side PCM interface> on emu10kx0 >>>>>>> >>>>>>> >>>>>>> >>>>>> Some more information: >>>>>> >>>>>> 1. snd_emu10kx and sound are both modules loaded on boot, along with >>>>>> if_re, linux, and nvidia. >>>>>> 2. Disabling nvidia -> no change. >>>>>> 3. Disabling acpi -> unbootable system because many drivers can't map >>>>>> interrupts without it (can't test unless I isolate the drivers and >>>>>> enable them one by one -- something I'll try later on). >>>>>> >>>>>> I'm at a loss right now... my hunch is that it's potentially a bad >>>>>> interaction between the snd_emu10kx driver and another driver on the >>>>>> same PCI bus (which is just the ACPI and uhci drivers), but I can't >>>>>> test these claims. There are other funky things about my system that >>>>>> have changed over the past couple of kernel versions, like front USB >>>>>> ports could charge my iPhone, and now they don't... and the fact that >>>>>> ACPI blanking via nvidia now works again... so something may have >>>>>> changed on the backend, but I'm not 100% sure on what I should isolate >>>>>> as the root cause, yet. >>>>>> >>>>>> >>>>>> >>>>> Grr... it's `healed' itself again. I'll watch out for potential >>>>> catalysts to the issue in the future. >>>>> >>>>> >>>>> >>>> Ok. Damn issue came back and here's what happened. Rebooted >>>> several times with the same kernel and slight modifications, loading >>>> and unloading snd_emu10kx and sound, testing out snd_emu10k1, and no >>>> dice. The buzz was bad and it was driving me insane. Again, line-in >>>> functioned just fine, so I didn't know what the heck was going. I was >>>> getting desperate, so I finally broke down and booted the Gentoo Linux >>>> livecd. PCM worked just fine. Then I got irritated enough and finally >>>> just built the module and the sound support directly into the kernel >>>> and everything is hunky dorey again. Does anyone have a stab in the >>>> dark as to what's going on? Is it a potential bus or interrupt >>>> conflict / race condition that gets alleviated when support is nailed >>>> into the kernel? Or are other folks as stumped as I am, s.t. I should >>>> just try emailing current@ instead to see if someone maybe knows >>>> what's going on there :(...? >>>> Thanks, >>>> -Garrett >>>> >>>> >>> I have the same problem. >>> I'll try compiling the driver in the kernel. >>> >>> >> FWIW I've compiled the driver into the kernel for several >> iterations now and it works like a champ, so there's something with >> the sound subsystem that isn't jiving properly when loading from >> modules... >> HTH, >> -Garrett >> >> > Thanks for the info. > I've noticed that when I load the kernel module at startup (by adding it > to loader.conf) chances of it working improve. > If I load it afterwards, the nice huff puff sounds come out of my > speaker again. > Compiling the new and improved kernel today. > Thanks for your help. > Greetz, > Mark > > I compiled the emu10kx driver into the kernel. That seemed to work, but now the hissing and buzzing is back. I really don't know what is going on anymore.. Any thoughts?
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