From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: Missing exactly 3 of 8 audio packets?
Date: Tue, 27 Nov 2012 18:21:29 +0100
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To: Daniel Griscom <griscom@suitable.com>
Cc: Alsa Developer <alsa-devel@alsa-project.org>, Daniel Mack <zonque@gmail.com>
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Daniel Griscom wrote:
>> [  432.591698] ALSA sound/usb/pcm.c:1163 packet 0 failed: -18
>> [  432.591702] ALSA sound/usb/pcm.c:1163 packet 1 failed: -18
>> [  432.592684] ALSA sound/usb/pcm.c:1163 packet 0 failed: -18
>> [  432.592702] ALSA sound/usb/pcm.c:1163 packet 0 failed: -18
>> [  432.592706] ALSA sound/usb/pcm.c:1163 packet 1 failed: -18
>> [  432.593684] ALSA sound/usb/pcm.c:1163 packet 0 failed: -18
>> [  432.593701] ALSA sound/usb/pcm.c:1163 packet 0 failed: -18
>> [  432.593705] ALSA sound/usb/pcm.c:1163 packet 1 failed: -18
>> [  432.594680] ALSA sound/usb/pcm.c:1163 packet 0 failed: -18

These packet numbers never get above 1.  Are you using two
microframes per URB?  What is the ALSA buffer size?


Regards,
Clemens