From: Takashi Iwai <tiwai@suse.de>
To: Wilfried Weissmann <Wilfried.Weissmann@gmx.at>
Cc: alsa-devel@lists.sourceforge.net
Subject: Re: [patch] pcm-record (was cs46xx record (Thinkpad A22) => deadlock)
Date: Wed, 30 Oct 2002 19:12:59 +0100 [thread overview]
Message-ID: <s5hela7bxsk.wl@alsa2.suse.de> (raw)
In-Reply-To: <3DBE962D.80007@gmx.at>
At Tue, 29 Oct 2002 15:07:41 +0100,
Wilfried Weissmann wrote:
>
> [1 <text/plain; us-ascii (7bit)>]
> I dug a little around in the code. The infinitive loop was caused by
> being stuck in DRAINING mode. snd_pcm_lib_read1() returns -EPIPE in this
> case (pcm_lib.c: 2146). Then we return to snd_pcm_oss_read3() which
> continues to call this function until jdoomsday (= SysRq+b). I changed
> the code to call snd_pcm_update_hw_ptr() before that. The patch is
> attached. It *seems* to fix it. You want to have a _real_ close look at
> that if you want to apply the patch, as it is just a shot in the dark.
> At least I know now that the problem is (I figured it out by inserting
> printk).
looks correct. applied to cvs now.
thanks!
Takashi
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next prev parent reply other threads:[~2002-10-30 18:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-29 14:07 [patch] pcm-record (was cs46xx record (Thinkpad A22) => deadlock) Wilfried Weissmann
2002-10-30 18:12 ` Takashi Iwai [this message]
2002-10-30 20:33 ` Jaroslav Kysela
2002-10-31 10:32 ` Wilfried Weissmann
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