From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Mack <zonque@gmail.com>
Subject: Re:
 =?windows-1252?q?alsa_crash_with_=93_ALSA_sound/usb/?=
 =?windows-1252?q?urb=2Ec=3A179_cannot_submit_urb_=28err_=3D_-27=29=94_on_?=
 =?windows-1252?q?imx6q_sabrelite?=
Date: Sun, 08 Sep 2013 16:57:37 +0200
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To: Ankit Agarwal <ankitgenius90@gmail.com>
Cc: alsa-devel@alsa-project.org
List-Id: alsa-devel@alsa-project.org

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