From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Rigg Subject: Re: pcm_multi poll timeout error Date: Fri, 9 Dec 2005 17:16:05 +0000 Message-ID: <20051209171605.GA4132@localhost.localdomain> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: alsa-devel-admin@lists.sourceforge.net Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Takashi Iwai Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org On Fri, Dec 09, 2005 at 12:40:05PM +0100, Takashi Iwai wrote: > The link_fd returns the file descriptor for linking multiple PCM > streams. If you comment it out, it means that no link is possible. > It means that snd_pcm_link() didn't do anything in fact after your > patch. Hi Takashi Thanks for the information. Now I'm puzzled. I assumed that pcm_multi was working from the messages from jackd -v, but didn't actually try recording and playing back simultaneously (haven't got that far setting up my system). However, I just received the following info from another user who tried my makeshift patch: >> On Fri, Dec 09, 2005 at 02:10:49PM +0100, Achim_Kuntz wrote: >> >>>I can confirm your results with my 2 x hdsp 9652 setup. >>>With your patch applied jackd works in duplex mode using the multi device. .... >> Can you actually record and play back simultaneously? .... >Yes, I can record and play back simultaneously with the patch applied. >I tested playback for all 2*24=48 channels of the multi device while >recording audio from the first channel of the first hdsp card, i.e. I >tested all playback channels but not all recording channels. Everything >seemed to work as intended. I can't understand why this works after my patch broke snd_pcm_link . John ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click