Re: Annoying whitenoise sound coming from snd_hda enabled chipset

Yoshihiro Ota wrote:
> This problem was gone once back in Febrary.
> 
> I was away from 8-current and came back to 8-BETA1/2.
> Then, now I hear this noise again.
> 
> Alexander, do you have any ideas for this time, too?

Can you remind me what are you talking about? You are talking about some 
noise, but following messages about detection problems.

> On Sat, 28 Feb 2009 01:52:07 -0500
> Yoshihiro Ota <ota_at_j.email.ne.jp> wrote:
> 
>> On Fri, 27 Feb 2009 13:42:58 +0200
>> Alexander Motin <mav_at_FreeBSD.org> wrote:
>>
>>> Yoshihiro Ota wrote:
>>>> On Thu, 26 Feb 2009 22:05:29 +0200
>>>> Alexander Motin <mav_at_FreeBSD.org> wrote:
>>>>
>>>>> Yoshihiro Ota wrote:
>>>>>> On Tue, 24 Feb 2009 21:57:27 +0200
>>>>>> Alexander Motin <mav_at_FreeBSD.org> wrote:
>>>>>>> Yoshihiro Ota wrote:
>>>>>>>> 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.
>>>>>>> The only significant change last time was enabling MSI by default. But I 
>>>>>>> don't think it should lead to such errors. I have tried even operation 
>>>>>>> completely without interrupts working and there is not such errors. Can 
>>>>>>> you send me complete verbose dmesg with the problem and `pciconf -lvc` 
>>>>>>> output?
>>>>>>>
>>>>>>> Also you may try to disable MSI by setting 'hint.hdac.0.msi=0' hint.
>>>>>> Once I disabled snd_hda_load="YES" in /boot/loader.conf, it comes up
>>>>>> all times.  However, when I run "kldload snd_hda", the system stops responding,
>>>>>> i.e. crashes.
>>>>>>
>>>>>> So, now I added 'hint.hdac.0.msi="0"' in the hint; then, system comes up fine.
>>>>>> I tried "kldload snd_hda" and got the following output.
>>>>>> System didn't crash after adding the hint so that I added snd_hda_load="YES"
>>>>>> back to /boot/loader.conf.
>>>>> I have committed a patch to the CURRENT that should disable MSI for your 
>>>>> HDA controller by default. Test it please.
>>>> That's r189086, isn't it?
>>>>
>>>> So, for testing, I will remove hint.hdac.0.msi and add 'snd_hda_load="YES"' back.
>>>> Does that sound valid test?
>>> Yes. 'snd_hda_load="YES"' is on your wish.
>> System comes up without problems now.
>>
>> Thanks,
>> Hiro


-- 
Alexander Motin