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

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Message-Id: <200802141303.29261.ceho@chilan.com>
Date:	Thu, 14 Feb 2008 13:03:28 +0100
From:	Grzegorz Chwesewicz <ceho@...lan.com>
To:	Bill Davidsen <davidsen@....com>
Cc:	linux-kernel@...r.kernel.org, chilek@...lan.com
Subject: Re: [BUG] Problem with recording on hda-intel (sata_sil or hda-intel  bug) - HP nx6325

Thursday 14 of February 2008 03:57:39 Bill Davidsen napisał(a):
> 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.

Hehe, we are now working on solution with Takashi :)

-- 
Greetings
Grzegorz Chwesewicz, Chilan 
mailto:grzegorz.chwesewicz@...lan.com
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