{"id":1068,"date":"2014-02-21T16:38:45","date_gmt":"2014-02-21T16:38:45","guid":{"rendered":"http:\/\/rglinuxtech.com\/?p=1068"},"modified":"2014-02-21T16:38:45","modified_gmt":"2014-02-21T16:38:45","slug":"kernel-3-13-4-and-workaround-for-uvcvideo-problem","status":"publish","type":"post","link":"https:\/\/rglinuxtech.com\/?p=1068","title":{"rendered":"Kernel 3.13.4 &#8211; And Workaround for UVCVIDEO problem.."},"content":{"rendered":"<p>Updated to Kernel <strong>3.13.4<\/strong>, and the latest NVIDIA driver <strong>331.49<\/strong> and (patched) VMware <strong>10.0.1<\/strong> compile and load\/run OK..<\/p>\n<p>Details of changes are here:\u00a0 <a title=\"https:\/\/www.kernel.org\/pub\/linux\/kernel\/v3.x\/ChangeLog-3.13.4\" href=\"https:\/\/www.kernel.org\/pub\/linux\/kernel\/v3.x\/ChangeLog-3.13.4\" target=\"_blank\">https:\/\/www.kernel.org\/pub\/linux\/kernel\/v3.x\/ChangeLog-3.13.4<\/a><\/p>\n<p>I had still been having problems with the uvcvideo driver (with a Logitech C525 webcam), since updating from kernel 3.12 to kernel 3.13 &#8211; and the problems is also in 3.14-rc3.. \u00a0 I discovered that having two USB-connected video devices active <span style=\"text-decoration: underline;\">at the same time<\/span> caused one or the other to fail:<\/p>\n<pre><strong>[\u00a0 713.855382] uvcvideo: Failed to submit URB 0 (-28).<\/strong>\r\n<strong>[\u00a0 714.185786] uvcvideo: Failed to submit URB 0 (-28).<\/strong>\r\n<strong>[\u00a0 714.262135] uvcvideo: Failed to submit URB 0 (-28).<\/strong><\/pre>\n<p>After some more testing, I was able to find a workaround, by making sure that the usb video devices were connected to <span style=\"text-decoration: underline;\">different<\/span> root hubs:<\/p>\n<pre><strong>Bus 010 Device 002: ID 046d:0826 Logitech, Inc.\u00a0<\/strong>\u00a0\u00a0 &lt; uvcvideo webcam &gt;\r\n<strong>Bus 008 Device 006: ID 14f7:0500 TechniSat Digital GmbH DVB-PC TV Star HD<\/strong>\u00a0 &lt; dvb satellite receiver &gt;<\/pre>\n<p>Once this was done, then both devices work correctly &#8211; at the same time..<\/p>\n<p>This particular problem is not one that many users will encounter, but hopefully it will be fixed at some point..<\/p>\n<p><em>Robert Gadsdon.\u00a0\u00a0 February 21, 2014.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Updated to Kernel 3.13.4, and the latest NVIDIA driver 331.49 and (patched) VMware 10.0.1 compile and load\/run OK.. Details of changes are here:\u00a0 https:\/\/www.kernel.org\/pub\/linux\/kernel\/v3.x\/ChangeLog-3.13.4 I had still been having problems with the uvcvideo driver (with a Logitech C525 webcam), since updating from kernel 3.12 to kernel 3.13 &#8211; and the problems is also in 3.14-rc3.. \u00a0 I <span class=\"excerpt-dots\">&hellip;<\/span> <a class=\"more-link\" href=\"https:\/\/rglinuxtech.com\/?p=1068\"><span class=\"more-msg\">Continue reading &rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[5,14,15,18,25],"tags":[818,812,242,816,813,1175,815,814,817],"class_list":["post-1068","post","type-post","status-publish","format-standard","hentry","category-compilation","category-kernel","category-linux-2","category-nvidia","category-vmware","tag-failed-to-submit-urb","tag-kernel-3-13-4","tag-linux","tag-multiple-usb-video-devieces","tag-nvidia-331-49","tag-success","tag-uvcvideo-problem","tag-vmware-10-0-1-patched","tag-worksround"],"_links":{"self":[{"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=\/wp\/v2\/posts\/1068","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1068"}],"version-history":[{"count":1,"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=\/wp\/v2\/posts\/1068\/revisions"}],"predecessor-version":[{"id":1069,"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=\/wp\/v2\/posts\/1068\/revisions\/1069"}],"wp:attachment":[{"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1068"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1068"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}