Re: [BUG] Problem with recording on hda-intel (sata_sil or hda-intel bug) - HP nx6325

Bill Davidsen
2008-02-14T02:56:38Z

Grzegorz Chwesewicz wrote:
> Hi.
> Problem description:
>
> I have a problem with recording on HP nx6325 notebook (hda-intel with AD1981HD
> codec). Playback works fine, but after 5-10 min. of recording microphone
> stops working (playback works all the time). Unloading and loading sound
> modules fixes problem, but only for another 5-10 minutes. This problem exists
> from more than a year (at least from 2.6.17.13 kernel). In [1] we came to
> conclusion that this problem is ralated to IRQ sharing [2] (HDA Intel is on
> the same IRQ as sata_sil).
>
> How to reproduce the problem:
>
> 1) on one console run arecord and see the output (You should see some garbage)
> 2) on another console run cat /etc/*
> 3) at once arecord on the first console gives no output
>
> So, doing lot of hdd I/O occurs problem with mic.
>
I had problems a few years ago with USB stopping when the screen saver
kicked in, just a wild thought.

--
Bill Davidsen <davidsen@tmr.com>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot