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From: Takashi Iwai <tiwai@suse.de>
To: "Raphaël Dingé" <raphael.dinge@ohmforce.com>
Cc: alsa-devel@alsa-project.org
Subject: Re: Can't detect "XRUNs"
Date: Thu, 05 Jul 2018 17:02:43 +0200	[thread overview]
Message-ID: <s5hlgapu3n0.wl-tiwai@suse.de> (raw)
In-Reply-To: <CAL-i0qESvno6PepeEUT1hp6os9_tmE-sEMnLFcTFnKkPciVB5g@mail.gmail.com>

On Thu, 05 Jul 2018 14:34:02 +0200,
Raphaël Dingé wrote:
> 
> Hi,
> 
> Looking more in depth into the code I understood my problem was
> between the chair and the computer screen *sigh*.
> 
> So the code was calling snd_pcm_sw_params_set_stop_threshold which
> apart from stopping the stream on underruns apparently "eats" the xrun
> from the kernel tracing perspective.
> 
> If I comment out this portion of code, I get the EPIPE in
> snd_pcm_avail_update as well as the xrun events in
> /sys/kernel/tracing/trace.
> 
> Thanks a million again to put me on the right track. I've learnt a lot
> from this exchange.

Good to hear that it's no driver problem :)


thanks,

Takashi
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      reply	other threads:[~2018-07-05 15:02 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-04 10:26 Can't detect "XRUNs" Raphaël Dingé
2018-07-04 10:33 ` Takashi Iwai
2018-07-04 10:38   ` Raphaël Dingé
2018-07-04 12:11     ` Raphaël Dingé
2018-07-04 13:16       ` Takashi Iwai
2018-07-04 13:49         ` Raphaël Dingé
2018-07-04 14:02           ` Takashi Iwai
2018-07-04 14:16             ` Raphaël Dingé
2018-07-04 15:11               ` Raphaël Dingé
2018-07-04 15:14                 ` Takashi Iwai
2018-07-04 15:16                   ` Raphaël Dingé
2018-07-04 15:49                     ` Raphaël Dingé
2018-07-04 15:56                       ` Takashi Iwai
2018-07-04 16:06                         ` Raphaël Dingé
2018-07-05  9:10                           ` Raphaël Dingé
2018-07-05 10:05                             ` Takashi Iwai
2018-07-05 10:59                               ` Raphaël Dingé
2018-07-05 12:34                                 ` Raphaël Dingé
2018-07-05 15:02                                   ` Takashi Iwai [this message]

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