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From: Wilfried Weissmann <Wilfried.Weissmann@gmx.at>
To: Jaroslav Kysela <perex@suse.cz>
Cc: Takashi Iwai <tiwai@suse.de>,
	"alsa-devel@lists.sourceforge.net"
	<alsa-devel@lists.sourceforge.net>
Subject: Re: [patch] pcm-record (was cs46xx record (Thinkpad A22) => deadlock)
Date: Thu, 31 Oct 2002 11:32:47 +0100	[thread overview]
Message-ID: <3DC106CF.3020301@gmx.at> (raw)
In-Reply-To: Pine.LNX.4.33.0210302132490.611-100000@pnote.perex-int.cz

Jaroslav Kysela wrote:
> On Wed, 30 Oct 2002, Takashi Iwai wrote:
>>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.
> 
> 
> It's wrong. I reverted the change and included new updated code for the 
> OSS emulation.

I just tested the new patch. It works perfectly. Thanks all.

bye,
Wilfried



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      reply	other threads:[~2002-10-31 10:32 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
2002-10-30 20:33   ` Jaroslav Kysela
2002-10-31 10:32     ` Wilfried Weissmann [this message]

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