{"id":31,"date":"2013-04-14T10:04:00","date_gmt":"2013-04-14T10:04:00","guid":{"rendered":"https:\/\/www.root42.de\/blog\/?p=31"},"modified":"2013-04-14T10:04:00","modified_gmt":"2013-04-14T10:04:00","slug":"delay-warnings-when-using-usb-audio-on-the-raspberry-pi","status":"publish","type":"post","link":"https:\/\/www.root42.de\/blog\/?p=31","title":{"rendered":"Delay warnings when using USB audio on the Raspberry Pi"},"content":{"rendered":"<p>My <tt>kernel.log<\/tt> and <tt>debug<\/tt> log files had grown to over 2 GBytes each. This was due to log messages of this kind:<\/p>\n<pre><br \/>delay: estimated 0, actual 133<br \/><\/pre>\n<p>As <a href=\"http:\/\/www.ianrolfe.com\/2012\/09\/raspberry-pi-logging-issue\/\">another blog stated<\/a>, this can be fixed by <a href=\"http:\/\/alsa.opensrc.org\/Usb-audio#Tuning_USB_devices_for_minimal_latencies\">adding a parameter<\/a> to the sound-usb-audio module of Alsa. So I did the same thing, creating a file <tt>\/etc\/modprobe.d\/snd_usb_audio.conf<\/tt> with this content: <\/p>\n<pre><br \/>options snd-usb-audio nrpacks=1<br \/><\/pre>\n<p>After restarting Alsa or a reboot, the problems were gone, the logfiles kept small.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>My kernel.log and debug log files had grown to over 2 GBytes each. This was due to log messages of this kind: delay: estimated 0, actual 133 As another blog stated, this can be fixed by adding a parameter to the sound-usb-audio module of Alsa. So I did the same thing, creating a file \/etc\/modprobe.d\/snd_usb_audio.conf &hellip; <a href=\"https:\/\/www.root42.de\/blog\/?p=31\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Delay warnings when using USB audio on the Raspberry Pi&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2,3,30],"tags":[],"_links":{"self":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/posts\/31"}],"collection":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=31"}],"version-history":[{"count":0,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=\/wp\/v2\/posts\/31\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=31"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=31"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.root42.de\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=31"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}