Re: Try report: Sony VAIO Type P

Yoshifumi SASAKI wrote:
> Alexander Motin wrote:
>> Alexander Motin wrote:
>>> Yoshifumi SASAKI wrote:
>>>>   Sound... succeed to load snd_hda.ko
>>>>
>>>> hdac0: <Intel SCH High Definition Audio Controller> mem
>>>> 0x942c0000-0x942c3fff irq 11 at device 27.0 on pci0
>>>> hdac0: HDA Driver Revision: 20090215_0128
>>>> hdac0: [ITHREAD]
>>>> hdac0: HDA Codec #0: Realtek ALC262
>>>> pcm0: <HDA Realtek ALC262 PCM #0 Analog> at cad 0 nid 1 on hdac0
>>>>
>>>>   I receive many messages.And I try to play MP3 data,But not sound.
>>>>
>>>> interrupt storm detected on "irq5:"; throttling interrupt source
>>>> interrupt storm detected on "irq5:"; throttling interrupt source
>>>> interrupt storm detected on "irq5:"; throttling interrupt source
>>>> interrupt storm detected on "irq5:"; throttling interrupt source
>>>
>>> snd_hda supports several interrupt modes: MSI, usual interrupts and
>>> polling (interruptless operation). The version you have tested uses
>>> MSI by default. You can switch it to use usual interrupts by setting
>>> hint.hdac.0.msi=0 in loader.conf, or to use polling by
>>> dev.hdac.0.polling=1 sysctl. Also you can try latest CURRENT, as
>>> there were some MSI related changes recently.
>>
>> According to Intel's official SCH chip errata: "High Definition Audio
>> Does Not Send Interrupts to the CPU When Using the MSI". So may be
>> disabling it is the right way out.
>>
> 
> First, I set hint.hdac.0.msi=0 in loader.conf. interrupt storm message
> does not stop and not work.
> Next, I unset hint.hdac.0.msi=0 and setting dev.hdac.0.polling=1 by
> sysctl command.
> interrupt storm message stop and sound music:)
> 
> Thanks!

You are welcome, but it's just workaround, not a real solution.

What's strange to me is that system reports irq11 for hdac0, but it
causes irq5 storm, and ndis0 reported as irq11, but causes irq10 storm.
I would say there is something wrong with irq allocation.

-- 
Alexander Motin