[alsa-devel] [PING!] Re: HDMI audio is not working on my new desktop

[Alexander E. Patrakov]

2013/8/21 Wang Xingchao <wangxingchao2011 at gmail.com>:
> Hi Takashi/Alexander E. Patrakov,
>
> 2013/8/20 Takashi Iwai <tiwai at suse.de>:
>> Xingchao, could you take a look at this bug?
>
> sure, i will take a look at it.
> But i'm afraid i cannot continue tracking from next week, i'm under
> leaving process at Intel.

Best wishes to you, and good luck with a new job :)

But then please tell us the contact information of the person at Intel
who should be contacted instead of you for any further questions
related to HDMI audio on Haswell.

> At first glance, i saw a lot of errors:
>
> [  772.822663] playback write error (DMA or IRQ trouble?)
> [  782.912776] playback write error (DMA or IRQ trouble?)
> [  793.002904] playback write error (DMA or IRQ trouble?)
> [  803.093052] playback write error (DMA or IRQ trouble?)
> [  813.183205] playback write error (DMA or IRQ trouble?)
> [  823.273217] playback write error (DMA or IRQ trouble?)
>
> I know this issue on some Haswell ULT boards(STP/WTM1) because they
> are not stable, and it's better to use latest BIOS image(V131 or
> later).

Thanks, I will try to update the BIOS and retest.

> And seems the proper HDMI device should be pin6, i hope Alexander E.
> Patrakov could help check below command at first:
> speak-test -t wav -c 2 -D hw:0,7

Same result. I guess I should update the BIOS first.

> And pleaset let me know can you reproduce this issue 100% on the same
> board? Did you test on some other boards with same Hardware?

The issue is 100% reproducible on my board, and I don't have any other
Haswell boards to test.

-- 
Alexander E. Patrakov