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From: Daniel Mack <zonque@gmail.com>
To: Ankit Agarwal <ankitgenius90@gmail.com>
Cc: alsa-devel@alsa-project.org
Subject: Re: alsa crash with “ ALSA sound/usb/urb.c:179 cannot submit urb (err = -27)” on imx6q sabrelite
Date: Sun, 08 Sep 2013 16:57:37 +0200	[thread overview]
Message-ID: <522C9061.5070303@gmail.com> (raw)
In-Reply-To: <CAFT5LgLN2dWg9Pef5AHH9AFPv-1e_WAp=3J+LEdvYTCWjKXAhg@mail.gmail.com>

On 02.09.2013 12:51, Ankit Agarwal wrote:
> I am using alsa pcm player to listen to audio. The alsa pcm crashes with
> the error: ALSA sound/usb/urb.c:179 cannot submit urb (err = -27). I am
> able to hear the data initially but when other transaction begins on HID
> report endpoint, alsa crashes with the mentioned error.

-27 == -EFBIG, which seems to relate to a scheduling problem on the bus,
and hence probably rather to a host controller bug than an issue with
snd-usb.

> I am working on imx6q board with linux kernel-3.0.35. I am using Apple
> device to get the digital audio.

Please try with a more recent kernel, and see if you can find the
location where EFBIG is initially reported.


Daniel

  reply	other threads:[~2013-09-08 14:57 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-02 10:51 alsa crash with “ ALSA sound/usb/urb.c:179 cannot submit urb (err = -27)” on imx6q sabrelite Ankit Agarwal
2013-09-08 14:57 ` Daniel Mack [this message]
     [not found]   ` <CAFT5LgKjrYhZ4=cQE7PVBut6L3RvFsR3B16PUUtvEC5cqZLwpg@mail.gmail.com>
     [not found]     ` <CAFT5LgKjrYhZ4=cQE7PVBut6L3RvFsR3B16PUUtvEC5cqZLwpg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-09-11 12:55       ` [alsa-devel] " Daniel Mack
     [not found]         ` <5230684E.6030900-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-09-11 14:48           ` Alan Stern

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