Date: Wed, 25 Nov 2020 09:04:21 +0000 From: isab.mimet.2389@gmail.com To: freebsd-usb@freebsd.org Subject: =?UTF-8?B?6YeH6LSt6YKu566x5piv5oCO5LmI5oyW5o6Y5Yiw55qE77yf?= Message-ID: <00000000000088dca205b4eab6d8@google.com>
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5oiR5bey6YKA6K+35oKo5aGr5YaZ5Lul5LiL6KGo5Y2V77yaDQrph4fotK3pgq7nrrHmmK/mgI7k uYjmjJbmjpjliLDnmoTvvJ8NCg0K6KaB5aGr5YaZ5q2k6KGo5Y2V77yM6K+36K6/6Zeu77yaDQpo dHRwczovL2RvY3MuZ29vZ2xlLmNvbS9mb3Jtcy9kL2UvMUZBSXBRTFNjQnFlRXk2dVcyWm1CWHg2 UXdWd1EySHZTd2pnNVl6TDFvSzMwSngtTEM4ejJfeEEvdmlld2Zvcm0/dmM9MCZhbXA7Yz0wJmFt cDt3PTEmYW1wO2Zscj0wJmFtcDt1c3A9bWFpbF9mb3JtX2xpbmsNCg0K5oiR5bey6YKA6K+35oKo 5aGr5YaZ6KGo5Y2V77yaDQoNCkdvb2dsZeihqOWNle+8muWIm+W7uuiwg+afpemXruWNt+W5tuWI huaekOiwg+afpee7k+aenOOAgg0K From owner-freebsd-usb@freebsd.org Thu Nov 26 12:04:53 2020 Return-Path: <owner-freebsd-usb@freebsd.org> Delivered-To: freebsd-usb@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 5854E4AA8FC for <freebsd-usb@mailman.nyi.freebsd.org>; Thu, 26 Nov 2020 12:04:53 +0000 (UTC) (envelope-from thomas@gibfest.dk) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 4ChbzT1GYSz3vTM for <freebsd-usb@freebsd.org>; Thu, 26 Nov 2020 12:04:53 +0000 (UTC) (envelope-from thomas@gibfest.dk) Received: by mailman.nyi.freebsd.org (Postfix) id 29B954AAB90; Thu, 26 Nov 2020 12:04:53 +0000 (UTC) Delivered-To: usb@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 297CB4AA9BE for <usb@mailman.nyi.freebsd.org>; Thu, 26 Nov 2020 12:04:53 +0000 (UTC) (envelope-from thomas@gibfest.dk) Received: from smtp2.servers.tyknet.dk (smtp2.servers.tyknet.dk [IPv6:2a01:3a0:1:1900:89:233:43:78]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4ChbzR0cPpz3vTL for <usb@freebsd.org>; Thu, 26 Nov 2020 12:04:47 +0000 (UTC) (envelope-from thomas@gibfest.dk) To: usb@freebsd.org DKIM-Filter: OpenDKIM Filter v2.10.3 smtp2.servers.tyknet.dk 3ECEDBE5 From: Thomas Steen Rasmussen <thomas@gibfest.dk> Subject: webcamd, usb and two webcams - only one works Message-ID: <c11c1a2f-306f-3cd9-825f-4c39fd250d50@gibfest.dk> Date: Thu, 26 Nov 2020 13:04:34 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4ChbzR0cPpz3vTL X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.99 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[gibfest.dk:s=default]; FREEFALL_USER(0.00)[thomas]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[2a01:3a0:1:1900:89:233:43:78:from:127.0.2.255]; DKIM_TRACE(0.00)[gibfest.dk:+]; DMARC_POLICY_ALLOW(-0.50)[gibfest.dk,reject]; NEURAL_HAM_SHORT(-0.99)[-0.992]; RCVD_COUNT_ZERO(0.00)[0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RBL_DBL_DONT_QUERY_IPS(0.00)[2a01:3a0:1:1900:89:233:43:78:from]; ASN(0.00)[asn:3308, ipnet:2a01:3a0::/29, country:DK]; MID_RHS_MATCH_FROM(0.00)[]; MAILMAN_DEST(0.00)[usb] X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: FreeBSD support for USB <freebsd-usb.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-usb>, <mailto:freebsd-usb-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-usb/>; List-Post: <mailto:freebsd-usb@freebsd.org> List-Help: <mailto:freebsd-usb-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-usb>, <mailto:freebsd-usb-request@freebsd.org?subject=subscribe> X-List-Received-Date: Thu, 26 Nov 2020 12:04:53 -0000 Hello USB friends :) I am having a hard time trying to get two webcams working simultaneously on FreeBSD 12.2-STABLE r367109 GENERIC amd64. Each webcam works by itself, for example when taking a snapshot with pwcview: sudo pwcview -h -c 1 -o foo.jpg -d /dev/video0 The webcam creates two video devices, video0 and video1. When I plug in the second webcam video2 and video3 are created. But trying to use the device doesn't work, pwcview hangs forever and multimedia/motion complains about timeouts when speaking to the camera. If I swap the cameras around then "the other one" works, so I know both cameras are fine. It seems somehow webcamd or maybe something in the usb system doesn't like having two cameras in my setup. I tried temporarily replacing one of the webcams with another model, but the same result: the first webcam works, but the next one does not. The webcams look like this to FreeBSD: =============================== $ sudo usbconfig -d ugen0.5 dump_all_desc ugen0.5: <Jieli Technology USB PHY 2.0> at usbus0, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON (500mA) bLength = 0x0012 bDescriptorType = 0x0001 bcdUSB = 0x0200 bDeviceClass = 0x00ef <Miscellaneous device> bDeviceSubClass = 0x0002 bDeviceProtocol = 0x0001 bMaxPacketSize0 = 0x0040 idVendor = 0x1224 idProduct = 0x2a25 bcdDevice = 0x0100 iManufacturer = 0x0001 <Jieli Technology> iProduct = 0x0002 <USB PHY 2.0> iSerialNumber = 0x0000 <no string> bNumConfigurations = 0x0001 Configuration index 0 bLength = 0x0009 bDescriptorType = 0x0002 wTotalLength = 0x0273 bNumInterfaces = 0x0004 bConfigurationValue = 0x0001 iConfiguration = 0x0000 <no string> bmAttributes = 0x0080 bMaxPower = 0x00fa Additional Descriptor bLength = 0x08 bDescriptorType = 0x0b bDescriptorSubType = 0x00 RAW dump: 0x00 | 0x08, 0x0b, 0x00, 0x02, 0x0e, 0x03, 0x00, 0x06 Interface 0 bLength = 0x0009 bDescriptorType = 0x0004 bInterfaceNumber = 0x0000 bAlternateSetting = 0x0000 bNumEndpoints = 0x0001 bInterfaceClass = 0x000e <Video device> bInterfaceSubClass = 0x0001 bInterfaceProtocol = 0x0000 iInterface = 0x0006 <USB CAMERA> Additional Descriptor bLength = 0x0d bDescriptorType = 0x24 bDescriptorSubType = 0x01 RAW dump: 0x00 | 0x0d, 0x24, 0x01, 0x00, 0x01, 0x67, 0x00, 0x80, 0x08 | 0xc3, 0xc9, 0x01, 0x01, 0x01 Additional Descriptor bLength = 0x12 bDescriptorType = 0x24 bDescriptorSubType = 0x02 RAW dump: 0x00 | 0x12, 0x24, 0x02, 0x01, 0x01, 0x02, 0x00, 0x00, 0x08 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xff, 0x10 | 0xff, 0x1f Additional Descriptor bLength = 0x0b bDescriptorType = 0x24 bDescriptorSubType = 0x05 RAW dump: 0x00 | 0x0b, 0x24, 0x05, 0x02, 0x01, 0x00, 0x00, 0x02, 0x08 | 0xff, 0xff, 0x00 Additional Descriptor bLength = 0x1a bDescriptorType = 0x24 bDescriptorSubType = 0x06 RAW dump: 0x00 | 0x1a, 0x24, 0x06, 0x03, 0x70, 0x33, 0xf0, 0x28, 0x08 | 0x11, 0x63, 0x2e, 0x4a, 0xba, 0x2c, 0x68, 0x90, 0x10 | 0xeb, 0x33, 0x40, 0x16, 0x08, 0x01, 0x02, 0x01, 0x18 | 0x00, 0x00 Additional Descriptor bLength = 0x1a bDescriptorType = 0x24 bDescriptorSubType = 0x06 RAW dump: 0x00 | 0x1a, 0x24, 0x06, 0x04, 0x94, 0x73, 0xdf, 0xdd, 0x08 | 0x3e, 0x97, 0x27, 0x47, 0xbe, 0xd9, 0x04, 0xed, 0x10 | 0x64, 0x26, 0xdc, 0x67, 0x08, 0x01, 0x03, 0x01, 0x18 | 0x00, 0x00 Additional Descriptor bLength = 0x09 bDescriptorType = 0x24 bDescriptorSubType = 0x03 RAW dump: 0x00 | 0x09, 0x24, 0x03, 0x05, 0x01, 0x01, 0x00, 0x04, 0x08 | 0x00 Endpoint 0 bLength = 0x0007 bDescriptorType = 0x0005 bEndpointAddress = 0x0085 <IN> bmAttributes = 0x0003 <INTERRUPT> wMaxPacketSize = 0x0040 bInterval = 0x0004 bRefresh = 0x0000 bSynchAddress = 0x0000 Additional Descriptor bLength = 0x05 bDescriptorType = 0x25 bDescriptorSubType = 0x03 RAW dump: 0x00 | 0x05, 0x25, 0x03, 0x40, 0x00 Interface 1 bLength = 0x0009 bDescriptorType = 0x0004 bInterfaceNumber = 0x0001 bAlternateSetting = 0x0000 bNumEndpoints = 0x0000 bInterfaceClass = 0x000e <Video device> bInterfaceSubClass = 0x0002 bInterfaceProtocol = 0x0000 iInterface = 0x0000 <no string> Additional Descriptor bLength = 0x0f bDescriptorType = 0x24 bDescriptorSubType = 0x01 RAW dump: 0x00 | 0x0f, 0x24, 0x01, 0x02, 0xe1, 0x00, 0x84, 0x00, 0x08 | 0x05, 0x02, 0x01, 0x00, 0x01, 0x00, 0x00 Additional Descriptor bLength = 0x0b bDescriptorType = 0x24 bDescriptorSubType = 0x06 RAW dump: 0x00 | 0x0b, 0x24, 0x06, 0x01, 0x02, 0x00, 0x01, 0x00, 0x08 | 0x00, 0x00, 0x00 Additional Descriptor bLength = 0x1e bDescriptorType = 0x24 bDescriptorSubType = 0x07 RAW dump: 0x00 | 0x1e, 0x24, 0x07, 0x01, 0x00, 0x00, 0x05, 0xd0, 0x08 | 0x02, 0x00, 0x00, 0x2f, 0x0d, 0x00, 0x00, 0x5e, 0x10 | 0x1a, 0x00, 0x20, 0x1c, 0x00, 0x80, 0x1a, 0x06, 0x18 | 0x00, 0x01, 0x80, 0x1a, 0x06, 0x00 Additional Descriptor bLength = 0x1e bDescriptorType = 0x24 bDescriptorSubType = 0x07 RAW dump: 0x00 | 0x1e, 0x24, 0x07, 0x02, 0x00, 0x80, 0x02, 0xe0, 0x08 | 0x01, 0x00, 0x00, 0x65, 0x04, 0x00, 0x00, 0xca, 0x10 | 0x08, 0x00, 0x60, 0x09, 0x00, 0x80, 0x1a, 0x06, 0x18 | 0x00, 0x01, 0x80, 0x1a, 0x06, 0x00 Additional Descriptor bLength = 0x16 bDescriptorType = 0x24 bDescriptorSubType = 0x03 RAW dump: 0x00 | 0x16, 0x24, 0x03, 0x00, 0x03, 0x00, 0x05, 0xd0, 0x08 | 0x02, 0x80, 0x02, 0xe0, 0x01, 0x40, 0x01, 0xf0, 0x10 | 0x00, 0x04, 0x01, 0x05, 0x0a, 0x14 Additional Descriptor bLength = 0x06 bDescriptorType = 0x24 bDescriptorSubType = 0x0d RAW dump: 0x00 | 0x06, 0x24, 0x0d, 0x01, 0x01, 0x04 Additional Descriptor bLength = 0x1b bDescriptorType = 0x24 bDescriptorSubType = 0x04 RAW dump: 0x00 | 0x1b, 0x24, 0x04, 0x02, 0x02, 0x59, 0x55, 0x59, 0x08 | 0x32, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0x10 | 0xaa, 0x00, 0x38, 0x9b, 0x71, 0x10, 0x01, 0x00, 0x18 | 0x00, 0x00, 0x00 Additional Descriptor bLength = 0x1e bDescriptorType = 0x24 bDescriptorSubType = 0x05 RAW dump: 0x00 | 0x1e, 0x24, 0x05, 0x01, 0x00, 0x00, 0x05, 0xd0, 0x08 | 0x02, 0x00, 0x00, 0x2f, 0x0d, 0x00, 0x00, 0x5e, 0x10 | 0x1a, 0x00, 0x20, 0x1c, 0x00, 0x80, 0x84, 0x1e, 0x18 | 0x00, 0x01, 0x80, 0x84, 0x1e, 0x00 Additional Descriptor bLength = 0x1e bDescriptorType = 0x24 bDescriptorSubType = 0x05 RAW dump: 0x00 | 0x1e, 0x24, 0x05, 0x02, 0x00, 0x80, 0x02, 0xe0, 0x08 | 0x01, 0x00, 0x00, 0x65, 0x04, 0x00, 0x00, 0xca, 0x10 | 0x08, 0x00, 0x60, 0x09, 0x00, 0x80, 0x1a, 0x06, 0x18 | 0x00, 0x01, 0x80, 0x1a, 0x06, 0x00 Additional Descriptor bLength = 0x12 bDescriptorType = 0x24 bDescriptorSubType = 0x03 RAW dump: 0x00 | 0x12, 0x24, 0x03, 0x00, 0x03, 0x00, 0x05, 0xd0, 0x08 | 0x02, 0x80, 0x02, 0xe0, 0x01, 0x40, 0x01, 0xf0, 0x10 | 0x00, 0x00 Additional Descriptor bLength = 0x06 bDescriptorType = 0x24 bDescriptorSubType = 0x0d RAW dump: 0x00 | 0x06, 0x24, 0x0d, 0x01, 0x01, 0x04 Interface 1 Alt 1 bLength = 0x0009 bDescriptorType = 0x0004 bInterfaceNumber = 0x0001 bAlternateSetting = 0x0001 bNumEndpoints = 0x0001 bInterfaceClass = 0x000e <Video device> bInterfaceSubClass = 0x0002 bInterfaceProtocol = 0x0000 iInterface = 0x0000 <no string> Endpoint 0 bLength = 0x0007 bDescriptorType = 0x0005 bEndpointAddress = 0x0084 <IN> bmAttributes = 0x0005 <ASYNC-ISOCHRONOUS> wMaxPacketSize = 0x1400 bInterval = 0x0001 bRefresh = 0x0000 bSynchAddress = 0x0000 Additional Descriptor bLength = 0x08 bDescriptorType = 0x0b bDescriptorSubType = 0x02 RAW dump: 0x00 | 0x08, 0x0b, 0x02, 0x02, 0x01, 0x02, 0x00, 0x05 Interface 2 bLength = 0x0009 bDescriptorType = 0x0004 bInterfaceNumber = 0x0002 bAlternateSetting = 0x0000 bNumEndpoints = 0x0000 bInterfaceClass = 0x0001 <Audio device> bInterfaceSubClass = 0x0001 bInterfaceProtocol = 0x0000 iInterface = 0x0005 <USB Microphone> Additional Descriptor bLength = 0x09 bDescriptorType = 0x24 bDescriptorSubType = 0x01 RAW dump: 0x00 | 0x09, 0x24, 0x01, 0x00, 0x01, 0x26, 0x00, 0x01, 0x08 | 0x03 Additional Descriptor bLength = 0x0c bDescriptorType = 0x24 bDescriptorSubType = 0x02 RAW dump: 0x00 | 0x0c, 0x24, 0x02, 0x01, 0x01, 0x02, 0x00, 0x01, 0x08 | 0x03, 0x00, 0x00, 0x00 Additional Descriptor bLength = 0x08 bDescriptorType = 0x24 bDescriptorSubType = 0x06 RAW dump: 0x00 | 0x08, 0x24, 0x06, 0x03, 0x01, 0x01, 0x03, 0x00 Additional Descriptor bLength = 0x09 bDescriptorType = 0x24 bDescriptorSubType = 0x03 RAW dump: 0x00 | 0x09, 0x24, 0x03, 0x02, 0x01, 0x01, 0x00, 0x03, 0x08 | 0x00 Interface 3 bLength = 0x0009 bDescriptorType = 0x0004 bInterfaceNumber = 0x0003 bAlternateSetting = 0x0000 bNumEndpoints = 0x0000 bInterfaceClass = 0x0001 <Audio device> bInterfaceSubClass = 0x0002 bInterfaceProtocol = 0x0000 iInterface = 0x0005 <USB Microphone> Interface 3 Alt 1 bLength = 0x0009 bDescriptorType = 0x0004 bInterfaceNumber = 0x0003 bAlternateSetting = 0x0001 bNumEndpoints = 0x0001 bInterfaceClass = 0x0001 <Audio device> bInterfaceSubClass = 0x0002 bInterfaceProtocol = 0x0000 iInterface = 0x0005 <USB Microphone> Additional Descriptor bLength = 0x07 bDescriptorType = 0x24 bDescriptorSubType = 0x01 RAW dump: 0x00 | 0x07, 0x24, 0x01, 0x02, 0x01, 0x01, 0x00 Additional Descriptor bLength = 0x0b bDescriptorType = 0x24 bDescriptorSubType = 0x02 RAW dump: 0x00 | 0x0b, 0x24, 0x02, 0x01, 0x01, 0x02, 0x10, 0x01, 0x08 | 0x40, 0x1f, 0x00 Endpoint 0 bLength = 0x0009 bDescriptorType = 0x0005 bEndpointAddress = 0x0082 <IN> bmAttributes = 0x0001 <ISOCHRONOUS> wMaxPacketSize = 0x0100 bInterval = 0x0004 bRefresh = 0x0000 bSynchAddress = 0x0000 Additional Descriptor bLength = 0x07 bDescriptorType = 0x25 bDescriptorSubType = 0x01 RAW dump: 0x00 | 0x07, 0x25, 0x01, 0x01, 0x00, 0x00, 0x00 Interface 3 Alt 2 bLength = 0x0009 bDescriptorType = 0x0004 bInterfaceNumber = 0x0003 bAlternateSetting = 0x0002 bNumEndpoints = 0x0001 bInterfaceClass = 0x0001 <Audio device> bInterfaceSubClass = 0x0002 bInterfaceProtocol = 0x0000 iInterface = 0x0005 <USB Microphone> Additional Descriptor bLength = 0x07 bDescriptorType = 0x24 bDescriptorSubType = 0x01 RAW dump: 0x00 | 0x07, 0x24, 0x01, 0x02, 0x01, 0x01, 0x00 Additional Descriptor bLength = 0x0b bDescriptorType = 0x24 bDescriptorSubType = 0x02 RAW dump: 0x00 | 0x0b, 0x24, 0x02, 0x01, 0x01, 0x02, 0x10, 0x01, 0x08 | 0x80, 0x3e, 0x00 Endpoint 0 bLength = 0x0009 bDescriptorType = 0x0005 bEndpointAddress = 0x0082 <IN> bmAttributes = 0x0001 <ISOCHRONOUS> wMaxPacketSize = 0x0100 bInterval = 0x0004 bRefresh = 0x0000 bSynchAddress = 0x0000 Additional Descriptor bLength = 0x07 bDescriptorType = 0x25 bDescriptorSubType = 0x01 RAW dump: 0x00 | 0x07, 0x25, 0x01, 0x01, 0x00, 0x00, 0x00 Interface 3 Alt 3 bLength = 0x0009 bDescriptorType = 0x0004 bInterfaceNumber = 0x0003 bAlternateSetting = 0x0003 bNumEndpoints = 0x0001 bInterfaceClass = 0x0001 <Audio device> bInterfaceSubClass = 0x0002 bInterfaceProtocol = 0x0000 iInterface = 0x0005 <USB Microphone> Additional Descriptor bLength = 0x07 bDescriptorType = 0x24 bDescriptorSubType = 0x01 RAW dump: 0x00 | 0x07, 0x24, 0x01, 0x02, 0x01, 0x01, 0x00 Additional Descriptor bLength = 0x0b bDescriptorType = 0x24 bDescriptorSubType = 0x02 RAW dump: 0x00 | 0x0b, 0x24, 0x02, 0x01, 0x01, 0x02, 0x10, 0x01, 0x08 | 0x44, 0xac, 0x00 Endpoint 0 bLength = 0x0009 bDescriptorType = 0x0005 bEndpointAddress = 0x0082 <IN> bmAttributes = 0x0001 <ISOCHRONOUS> wMaxPacketSize = 0x0100 bInterval = 0x0004 bRefresh = 0x0000 bSynchAddress = 0x0000 Additional Descriptor bLength = 0x07 bDescriptorType = 0x25 bDescriptorSubType = 0x01 RAW dump: 0x00 | 0x07, 0x25, 0x01, 0x01, 0x00, 0x00, 0x00 Interface 3 Alt 4 bLength = 0x0009 bDescriptorType = 0x0004 bInterfaceNumber = 0x0003 bAlternateSetting = 0x0004 bNumEndpoints = 0x0001 bInterfaceClass = 0x0001 <Audio device> bInterfaceSubClass = 0x0002 bInterfaceProtocol = 0x0000 iInterface = 0x0005 <USB Microphone> Additional Descriptor bLength = 0x07 bDescriptorType = 0x24 bDescriptorSubType = 0x01 RAW dump: 0x00 | 0x07, 0x24, 0x01, 0x02, 0x01, 0x01, 0x00 Additional Descriptor bLength = 0x0b bDescriptorType = 0x24 bDescriptorSubType = 0x02 RAW dump: 0x00 | 0x0b, 0x24, 0x02, 0x01, 0x01, 0x02, 0x10, 0x01, 0x08 | 0x80, 0xbb, 0x00 Endpoint 0 bLength = 0x0009 bDescriptorType = 0x0005 bEndpointAddress = 0x0082 <IN> bmAttributes = 0x0001 <ISOCHRONOUS> wMaxPacketSize = 0x0100 bInterval = 0x0004 bRefresh = 0x0000 bSynchAddress = 0x0000 Additional Descriptor bLength = 0x07 bDescriptorType = 0x25 bDescriptorSubType = 0x01 RAW dump: 0x00 | 0x07, 0x25, 0x01, 0x01, 0x00, 0x00, 0x00 =============================== Both are connected to a USB hub, but I have tried connecting one directly to the computer, which is a pcengines APU3C4 btw. It did not make a difference. What can I try to troubleshoot/debug this? Any more info needed? Thanks! :) Best regards, Thomas Steen Rasmussen
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