Dear all, Problem description: A 4 port USB hub which when disconnected yields an Oops. The USB hub connects the following peripherals: 1. USB keyboard 2. USB mouse 3. USB webcam + microphone built-in The details of lsusb are provided. This problem occurs when any USB device is removed (mass storage/usb input devices etc.) Kernel version: Linux version 3.5.0 (sarbojit@Phrozen) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #2 SMP Sun Jul 22 23:41:08 IST 2012 CONFIG_DEBUG_PAGEALLOC=y has been turned on along with other kernel debug flags. Output of ver_linux script: If some fields are empty or look unusual you may have an old version. Compare to the current minimal requirements in Documentation/Changes. Linux Phrozen 3.5.0 #2 SMP Sun Jul 22 23:41:08 IST 2012 x86_64 x86_64 x86_64 GNU/Linux Gnu C 4.6 Gnu make 3.81 binutils 2.22 util-linux 2.20.1 mount support module-init-tools 3.16 e2fsprogs 1.42 PPP 2.4.5 Linux C Library 2.15 Dynamic linker (ldd) 2.15 Procps 3.2.8 Net-tools 1.60 Kbd 1.15.2 Sh-utils 8.13 wireless-tools 30 Modules Loaded arc4 rt2800pci rt2800lib crc_ccitt rt2x00pci rt2x00lib mac80211 snd_hda_codec_realtek i915 snd_hda_intel snd_hda_codec snd_usb_audio snd_pcm snd_hwdep snd_usbmidi_lib snd_seq_midi snd_rawmidi drm_kms_helper uvcvideo drm snd_seq_midi_event joydev snd_seq videobuf2_core cfg80211 snd_timer videodev jmb38x_ms videobuf2_vmalloc videobuf2_memops psmouse snd_seq_device snd snd_page_alloc serio_raw soundcore bnep parport_pc memstick eeprom_93cx6 ppdev i2c_algo_bit hid_generic rfcomm bluetooth lp parport mxm_wmi acer_wmi sparse_keymap wmi mac_hid video usbhid hid sdhci_pci sdhci r8169 Here is the syslog: Jul 23 07:38:22 Phrozen kernel: [ 1691.529418] usb 2-3: USB disconnect, device number 2 Jul 23 07:38:22 Phrozen kernel: [ 1691.529427] usb 2-3.1: USB disconnect, device number 3 Jul 23 07:38:22 Phrozen kernel: [ 1691.538766] usb 2-3.2: USB disconnect, device number 4 Jul 23 07:38:22 Phrozen kernel: [ 1691.552751] BUG: unable to handle kernel paging request at ffff880135366ac8 Jul 23 07:38:22 Phrozen kernel: [ 1691.552827] IP: [<ffffffffa02a9648>] snd_usb_audio_disconnect.isra.2+0x128/0x1b0 [snd_usb_audio] Jul 23 07:38:22 Phrozen kernel: [ 1691.552912] PGD 1c0c063 PUD baf6e067 PMD bb118067 PTE 8000000135366160 Jul 23 07:38:22 Phrozen kernel: [ 1691.552984] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC Jul 23 07:38:22 Phrozen kernel: [ 1691.553038] CPU 1 Jul 23 07:38:22 Phrozen kernel: [ 1691.553057] Modules linked in: arc4 rt2800pci rt2800lib crc_ccitt rt2x00pci rt2x00lib mac80211 i915 snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_usb_audio joydev snd_pcm snd_hwdep snd_usbmidi_lib snd_seq_midi snd_rawmidi uvcvideo snd_seq_midi_event drm_kms_helper drm cfg80211 videobuf2_core videodev snd_seq snd_timer snd_seq_device snd videobuf2_vmalloc psmouse snd_page_alloc jmb38x_ms soundcore memstick videobuf2_memops serio_raw i2c_algo_bit hid_generic eeprom_93cx6 parport_pc bnep ppdev rfcomm bluetooth lp parport acer_wmi mxm_wmi sparse_keymap mac_hid video wmi usbhid hid sdhci_pci sdhci r8169 Jul 23 07:38:22 Phrozen kernel: [ 1691.553773] Jul 23 07:38:22 Phrozen kernel: [ 1691.553780] Pid: 21, comm: khubd Not tainted 3.5.0 #2 Acer Aspire 4730Z /Aspire 4730Z Jul 23 07:38:22 Phrozen kernel: [ 1691.553862] RIP: 0010:[<ffffffffa02a9648>] [<ffffffffa02a9648>] snd_usb_audio_disconnect.isra.2+0x128/0x1b0 [snd_usb_audio] Jul 23 07:38:22 Phrozen kernel: [ 1691.553966] RSP: 0018:ffff880139547b50 EFLAGS: 00010282 Jul 23 07:38:22 Phrozen kernel: [ 1691.554012] RAX: 0000000000000001 RBX: ffff880135277800 RCX: 0000000000016f88 Jul 23 07:38:22 Phrozen kernel: [ 1691.554068] RDX: 000000000000e62b RSI: 0000000000000000 RDI: 0000000000000202 Jul 23 07:38:22 Phrozen kernel: [ 1691.554125] RBP: ffff880139547b80 R08: 0000000000000364 R09: ffff88013fbfafd0 Jul 23 07:38:22 Phrozen kernel: [ 1691.554180] R10: 000000000000007b R11: 0000000000000001 R12: ffff880135277870 Jul 23 07:38:22 Phrozen kernel: [ 1691.554238] R13: ffff88013450ac00 R14: ffff880135366ac8 R15: ffff8801352778d8 Jul 23 07:38:22 Phrozen kernel: [ 1691.554294] FS: 0000000000000000(0000) GS:ffff88013fc80000(0000) knlGS:0000000000000000 Jul 23 07:38:22 Phrozen kernel: [ 1691.554362] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Jul 23 07:38:22 Phrozen kernel: [ 1691.554407] CR2: ffff880135366ac8 CR3: 00000001366a6000 CR4: 00000000000407e0 Jul 23 07:38:22 Phrozen kernel: [ 1691.554464] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jul 23 07:38:22 Phrozen kernel: [ 1691.554519] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Jul 23 07:38:22 Phrozen kernel: [ 1691.554577] Process khubd (pid: 21, threadinfo ffff880139546000, task ffff880139badcc0) Jul 23 07:38:22 Phrozen kernel: [ 1691.554637] Stack: Jul 23 07:38:22 Phrozen kernel: [ 1691.554657] ffff88013271a000 ffff880132478c30 ffff880132478c00 ffff88013271a000 Jul 23 07:38:22 Phrozen kernel: [ 1691.554736] ffffffffa02bd718 00000000ffffffea ffff880139547b90 ffffffffa02a96ea Jul 23 07:38:22 Phrozen kernel: [ 1691.554814] ffff880139547be0 ffffffff814b069d ffff880139547be0 0000000081414108 Jul 23 07:38:22 Phrozen kernel: [ 1691.554889] Call Trace: Jul 23 07:38:22 Phrozen kernel: [ 1691.554926] [<ffffffffa02a96ea>] usb_audio_disconnect+0x1a/0x20 [snd_usb_audio] Jul 23 07:38:22 Phrozen kernel: [ 1691.554994] [<ffffffff814b069d>] usb_unbind_interface+0x5d/0x1b0 Jul 23 07:38:22 Phrozen kernel: [ 1691.555050] [<ffffffff814097cc>] __device_release_driver+0x7c/0xe0 Jul 23 07:38:22 Phrozen kernel: [ 1691.555102] [<ffffffff8140985c>] device_release_driver+0x2c/0x40 Jul 23 07:38:22 Phrozen kernel: [ 1691.555155] [<ffffffff81409264>] bus_remove_device+0xe4/0x120 Jul 23 07:38:22 Phrozen kernel: [ 1691.555206] [<ffffffff81406a03>] device_del+0x123/0x1b0 Jul 23 07:38:22 Phrozen kernel: [ 1691.555256] [<ffffffff814ae1af>] usb_disable_device+0xaf/0x1f0 Jul 23 07:38:22 Phrozen kernel: [ 1691.555306] [<ffffffff814a6d20>] usb_disconnect+0x90/0x120 Jul 23 07:38:22 Phrozen kernel: [ 1691.555353] [<ffffffff814a6d09>] usb_disconnect+0x79/0x120 Jul 23 07:38:22 Phrozen kernel: [ 1691.555399] [<ffffffff814a7d88>] hub_port_connect_change+0xa8/0x6c0 Jul 23 07:38:22 Phrozen kernel: [ 1691.555453] [<ffffffff814a8733>] hub_events+0x393/0x5b0 Jul 23 07:38:22 Phrozen kernel: [ 1691.555500] [<ffffffff814a8985>] hub_thread+0x35/0x1a0 Jul 23 07:38:22 Phrozen kernel: [ 1691.555545] [<ffffffff81076d70>] ? __init_waitqueue_head+0x40/0x40 Jul 23 07:38:22 Phrozen kernel: [ 1691.555598] [<ffffffff814a8950>] ? hub_events+0x5b0/0x5b0 Jul 23 07:38:22 Phrozen kernel: [ 1691.555646] [<ffffffff810762d3>] kthread+0x93/0xa0 Jul 23 07:38:22 Phrozen kernel: [ 1691.555692] [<ffffffff8166f864>] kernel_thread_helper+0x4/0x10 Jul 23 07:38:22 Phrozen kernel: [ 1691.555744] [<ffffffff81076240>] ? __init_kthread_worker+0x40/0x40 Jul 23 07:38:22 Phrozen kernel: [ 1691.555795] [<ffffffff8166f860>] ? gs_change+0x13/0x13 Jul 23 07:38:22 Phrozen kernel: [ 1691.555839] Code: 00 48 39 c2 75 ad 4c 8b b3 d8 00 00 00 4c 8d bb d8 00 00 00 4d 39 fe 74 1a 66 2e 0f 1f 84 00 00 00 00 00 4c 89 f7 e8 18 24 00 00 <4d> 8b 36 4d 39 fe 75 f0 4c 8b b3 f0 00 00 00 4c 8d bb f0 00 00 Jul 23 07:38:22 Phrozen kernel: [ 1691.556149] RIP [<ffffffffa02a9648>] snd_usb_audio_disconnect.isra.2+0x128/0x1b0 [snd_usb_audio] Jul 23 07:38:22 Phrozen kernel: [ 1691.556149] RSP <ffff880139547b50> Jul 23 07:38:22 Phrozen kernel: [ 1691.556149] CR2: ffff880135366ac8 Jul 23 07:38:22 Phrozen kernel: [ 1691.585993] ---[ end trace 5c54ad131247c0a7 ]--- Jul 23 07:39:47 Phrozen kernel: imklog 5.8.6, log source = /proc/kmsg started. Jul 23 07:39:47 Phrozen rsyslogd: [origin software="rsyslogd" swVersion="5.8.6" x-pid="563" x-info="http://www.rsyslog.com";] start Jul 23 07:39:47 Phrozen rsyslogd: rsyslogd's groupid changed to 103 Jul 23 07:39:47 Phrozen rsyslogd: rsyslogd's userid changed to 101 Jul 23 07:39:47 Phrozen rsyslogd-2039: Could not open output pipe '/dev/xconsole' [try http://www.rsyslog.com/e/2039 ] Jul 23 07:39:47 Phrozen bluetoothd[556]: Failed to init alert plugin Jul 23 07:39:47 Phrozen bluetoothd[556]: Failed to init time plugin Jul 23 07:39:47 Phrozen bluetoothd[556]: Failed to init proximity plugin Jul 23 07:39:47 Phrozen bluetoothd[556]: Failed to init gatt_example plugin One more: Jul 23 08:45:43 Phrozen kernel: [ 3878.550604] VFS: Busy inodes after unmount of sdb1. Self-destruct in 5 seconds. Have a nice day... Jul 23 08:45:43 Phrozen kernel: [ 3878.551053] BUG: unable to handle kernel NULL pointer dereference at 00000000000001e8 Jul 23 08:45:43 Phrozen kernel: [ 3878.551178] IP: [<ffffffff811fdb16>] ext3_evict_inode+0x46/0x2c0 Jul 23 08:45:43 Phrozen kernel: [ 3878.551275] PGD bb57e067 PUD bb4a2067 PMD 0 Jul 23 08:45:43 Phrozen kernel: [ 3878.551346] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC Jul 23 08:45:43 Phrozen kernel: [ 3878.551438] CPU 1 Jul 23 08:45:43 Phrozen kernel: [ 3878.551470] Modules linked in: uas usb_storage snd_usb_audio snd_usbmidi_lib hid_generic usbhid hid arc4 rt2800pci rt2800lib crc_ccitt rt2x00pci rt2x00lib mac80211 snd_hda_codec_realtek i915 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event drm_kms_helper joydev snd_seq cfg80211 snd_timer snd_seq_device snd drm uvcvideo jmb38x_ms videobuf2_core soundcore snd_page_alloc memstick videodev psmouse eeprom_93cx6 videobuf2_vmalloc i2c_algo_bit videobuf2_memops serio_raw rfcomm parport_pc bnep ppdev bluetooth lp parport mxm_wmi acer_wmi sparse_keymap video mac_hid wmi sdhci_pci sdhci r8169 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] Pid: 13148, comm: gvfsd-trash Not tainted 3.5.0 #2 Acer Aspire 4730Z /Aspire 4730Z Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] RIP: 0010:[<ffffffff811fdb16>] [<ffffffff811fdb16>] ext3_evict_inode+0x46/0x2c0 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] RSP: 0000:ffff8800bb517e48 EFLAGS: 00010287 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] RAX: 0000000000004000 RBX: ffff880132d288b0 RCX: ffff88013ff83000 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] RDX: 0000000000000000 RSI: 3e772dc354865807 RDI: ffff880132d288b0 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] RBP: ffff8800bb517e68 R08: e000000000000000 R09: c038000000000000 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] R10: feaf2dc354865807 R11: 7fffffffffffffff R12: 0000000000000000 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] R13: 0000000000000005 R14: ffff8801324189a0 R15: ffff8801347336a0 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] FS: 00007f0d9e5247c0(0000) GS:ffff88013fc80000(0000) knlGS:0000000000000000 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] CR2: 00000000000001e8 CR3: 00000000bb426000 CR4: 00000000000407e0 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] Process gvfsd-trash (pid: 13148, threadinfo ffff8800bb516000, task ffff88013189dcc0) Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] Stack: Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] ffff880132d288b0 ffff880132d289e8 ffffffff81824ca0 ffff8801324189a0 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] ffff8800bb517e98 ffffffff8119a268 ffff880132d288b0 ffff880132d288b0 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] ffff880132d28938 ffffffff81824ca0 ffff8800bb517ec8 ffffffff8119a452 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] Call Trace: Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] [<ffffffff8119a268>] evict+0xb8/0x1c0 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] [<ffffffff8119a452>] iput_final+0xe2/0x1f0 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] [<ffffffff8119a59e>] iput+0x3e/0x50 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] [<ffffffff811c0630>] fsnotify_destroy_mark+0x170/0x180 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] [<ffffffff811c2738>] sys_inotify_rm_watch+0x78/0xd0 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] [<ffffffff8166e569>] system_call_fastpath+0x16/0x1b Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] Code: 48 45 31 e4 45 85 ed 0f 84 66 01 00 00 0f b7 03 48 8b 53 28 48 8b 92 70 03 00 00 25 00 f0 00 00 3d 00 80 00 00 0f 84 ea 01 00 00 <4c> 8b b2 e8 01 00 00 4c 8d ab 80 01 00 00 4d 85 f6 74 17 3d 00 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] RIP [<ffffffff811fdb16>] ext3_evict_inode+0x46/0x2c0 Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] RSP <ffff8800bb517e48> Jul 23 08:45:43 Phrozen kernel: [ 3878.552029] CR2: 00000000000001e8 Jul 23 08:45:43 Phrozen kernel: [ 3878.590676] ---[ end trace 3128f11f8290fec4 ]--- Jul 23 08:47:11 Phrozen kernel: imklog 5.8.6, log source = /proc/kmsg started. Jul 23 08:47:11 Phrozen rsyslogd: [origin software="rsyslogd" swVersion="5.8.6" x-pid="592" x-info="http://www.rsyslog.com";] start Jul 23 08:47:11 Phrozen rsyslogd: rsyslogd's groupid changed to 103 Jul 23 08:47:11 Phrozen rsyslogd: rsyslogd's userid changed to 101 Jul 23 08:47:11 Phrozen rsyslogd-2039: Could not open output pipe '/dev/xconsole' [try http://www.rsyslog.com/e/2039 ] CPU-Info processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Pentium(R) Dual-Core CPU T4200 @ 2.00GHz stepping : 10 microcode : 0xa07 cpu MHz : 2000.000 cache size : 1024 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl est tm2 ssse3 cx16 xtpr pdcm xsave lahf_lm dtherm bogomips : 3989.98 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Pentium(R) Dual-Core CPU T4200 @ 2.00GHz stepping : 10 microcode : 0xa07 cpu MHz : 2000.000 cache size : 1024 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl est tm2 ssse3 cx16 xtpr pdcm xsave lahf_lm dtherm bogomips : 3989.98 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: lsusb -vvv output Bus 001 Device 002: ID 064e:a103 Suyin Corp. Acer/HP Integrated Webcam [CN0314] Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 ? bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x064e Suyin Corp. idProduct 0xa103 Acer/HP Integrated Webcam [CN0314] bcdDevice 1.00 iManufacturer 2 SuYin iProduct 1 Acer Crystal Eye webcam iSerial 3 CN0314-SN30-OV03-VA-R02.03.02 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 544 bNumInterfaces 2 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 500mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 2 bFunctionClass 14 Video bFunctionSubClass 3 Video Interface Collection bFunctionProtocol 0 iFunction 5 Acer Crystal Eye webcam Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 1 Video Control bInterfaceProtocol 0 iInterface 5 Acer Crystal Eye webcam VideoControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdUVC 1.00 wTotalLength 104 dwClockFrequency 15.000000MHz bInCollection 1 baInterfaceNr( 0) 1 VideoControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 2 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 5 iTerminal 0 VideoControl Interface Descriptor: bLength 26 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 4 guidExtensionCode {7033f028-1163-2e4a-ba2c-6890eb334016} bNumControl 8 bNrPins 1 baSourceID( 0) 3 bControlSize 1 bmControls( 0) 0x0f iExtension 0 VideoControl Interface Descriptor: bLength 26 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 5 guidExtensionCode {3fae1228-d7bc-114e-a357-6f1edef7d61d} bNumControl 8 bNrPins 1 baSourceID( 0) 4 bControlSize 1 bmControls( 0) 0xff iExtension 0 VideoControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0201 Camera Sensor bAssocTerminal 0 iTerminal 0 wObjectiveFocalLengthMin 0 wObjectiveFocalLengthMax 0 wOcularFocalLength 0 bControlSize 3 bmControls 0x00000000 VideoControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 5 (PROCESSING_UNIT) Warning: Descriptor too short bUnitID 3 bSourceID 1 wMaxMultiplier 0 bControlSize 3 bmControls 0x000025bf Brightness Contrast Hue Saturation Sharpness Gamma White Balance Component Backlight Compensation Power Line Frequency White Balance Component, Auto iProcessing 0 bmVideoStandards 0x31 None NTSC - 625/50 PAL - 525/60 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0010 1x 16 bytes bInterval 6 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 VideoStreaming Interface Descriptor: bLength 14 bDescriptorType 36 bDescriptorSubtype 1 (INPUT_HEADER) bNumFormats 1 wTotalLength 297 bEndPointAddress 129 bmInfo 0 bTerminalLink 2 bStillCaptureMethod 0 bTriggerSupport 1 bTriggerUsage 1 bControlSize 1 bmaControls( 0) 27 VideoStreaming Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED) bFormatIndex 1 bNumFrameDescriptors 5 guidFormat {59555932-0000-1000-8000-00aa00389b71} bBitsPerPixel 16 bDefaultFrameIndex 1 bAspectRatioX 0 bAspectRatioY 0 bmInterlaceFlags 0x00 Interlaced stream or variable: No Fields per frame: 2 fields Field 1 first: No Field pattern: Field 1 only bCopyProtect 0 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 3072000 dwMaxBitRate 18432000 dwMaxVideoFrameBufferSize 614400 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 352 wHeight 288 dwMinBitRate 1013760 dwMaxBitRate 6082560 dwMaxVideoFrameBufferSize 202752 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 320 wHeight 240 dwMinBitRate 768000 dwMaxBitRate 4608000 dwMaxVideoFrameBufferSize 153600 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 176 wHeight 144 dwMinBitRate 253440 dwMaxBitRate 1520640 dwMaxVideoFrameBufferSize 50688 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 160 wHeight 120 dwMinBitRate 192000 dwMaxBitRate 1152000 dwMaxVideoFrameBufferSize 38400 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 13 (COLORFORMAT) bColorPrimaries 1 (BT.709,sRGB) bTransferCharacteristics 1 (BT.709) bMatrixCoefficients 4 (SMPTE 170M (BT.601)) Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0080 1x 128 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0100 1x 256 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 3 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0320 1x 800 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 4 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0b20 2x 800 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 5 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x1320 3x 800 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 6 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x1400 3x 1024 bytes bInterval 1 Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 ? bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 bNumConfigurations 1 Device Status: 0x0002 (Bus Powered) Remote Wakeup Enabled Bus 002 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 1 Single TT bMaxPacketSize0 64 idVendor 0x05e3 Genesys Logic, Inc. idProduct 0x0608 USB-2.0 4-Port HUB bcdDevice 77.64 iManufacturer 0 iProduct 1 USB2.0 Hub iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 100mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0001 1x 1 bytes bInterval 12 Hub Descriptor: bLength 9 bDescriptorType 41 nNbrPorts 4 wHubCharacteristic 0x00e0 Ganged power switching Ganged overcurrent protection TT think time 32 FS bits Port indicators bPwrOn2PwrGood 50 * 2 milli seconds bHubContrCurrent 100 milli Ampere DeviceRemovable 0x00 PortPwrCtrlMask 0xff Hub Port Status: Port 1: 0000.0303 lowspeed power enable connect Port 2: 0000.0507 highspeed power suspend enable connect Port 3: 0000.0100 power Port 4: 0000.0103 power enable connect Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 0 Full speed (or root) hub bMaxPacketSize0 64 bNumConfigurations 1 Device Status: 0x0001 Self Powered Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 0 Full speed (or root) hub bMaxPacketSize0 64 idVendor 0x1d6b Linux Foundation idProduct 0x0002 2.0 root hub bcdDevice 3.05 iManufacturer 3 Linux 3.5.0 ehci_hcd iProduct 2 EHCI Host Controller iSerial 1 0000:00:1a.7 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0004 1x 4 bytes bInterval 12 Hub Descriptor: bLength 9 bDescriptorType 41 nNbrPorts 4 wHubCharacteristic 0x000a No power switching (usb 1.0) Per-port overcurrent protection bPwrOn2PwrGood 10 * 2 milli seconds bHubContrCurrent 0 milli Ampere DeviceRemovable 0x00 PortPwrCtrlMask 0xff Hub Port Status: Port 1: 0000.0503 highspeed power enable connect Port 2: 0000.0100 power Port 3: 0000.0100 power Port 4: 0000.0100 power Device Status: 0x0001 Self Powered Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 0 Full speed (or root) hub bMaxPacketSize0 64 idVendor 0x1d6b Linux Foundation idProduct 0x0002 2.0 root hub bcdDevice 3.05 iManufacturer 3 Linux 3.5.0 ehci_hcd iProduct 2 EHCI Host Controller iSerial 1 0000:00:1d.7 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0004 1x 4 bytes bInterval 12 Hub Descriptor: bLength 11 bDescriptorType 41 nNbrPorts 8 wHubCharacteristic 0x000a No power switching (usb 1.0) Per-port overcurrent protection bPwrOn2PwrGood 10 * 2 milli seconds bHubContrCurrent 0 milli Ampere DeviceRemovable 0x00 0x00 PortPwrCtrlMask 0xff 0xff Hub Port Status: Port 1: 0000.0100 power Port 2: 0000.0100 power Port 3: 0000.0503 highspeed power enable connect Port 4: 0000.0100 power Port 5: 0000.0100 power Port 6: 0000.0100 power Port 7: 0000.0100 power Port 8: 0000.0100 power Device Status: 0x0001 Self Powered Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 0 Full speed (or root) hub bMaxPacketSize0 64 idVendor 0x1d6b Linux Foundation idProduct 0x0001 1.1 root hub bcdDevice 3.05 iManufacturer 3 Linux 3.5.0 uhci_hcd iProduct 2 UHCI Host Controller iSerial 1 0000:00:1a.0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0002 1x 2 bytes bInterval 255 Hub Descriptor: bLength 9 bDescriptorType 41 nNbrPorts 2 wHubCharacteristic 0x000a No power switching (usb 1.0) Per-port overcurrent protection bPwrOn2PwrGood 1 * 2 milli seconds bHubContrCurrent 0 milli Ampere DeviceRemovable 0x00 PortPwrCtrlMask 0xff Hub Port Status: Port 1: 0000.0100 power Port 2: 0000.0100 power Device Status: 0x0001 Self Powered Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 0 Full speed (or root) hub bMaxPacketSize0 64 idVendor 0x1d6b Linux Foundation idProduct 0x0001 1.1 root hub bcdDevice 3.05 iManufacturer 3 Linux 3.5.0 uhci_hcd iProduct 2 UHCI Host Controller iSerial 1 0000:00:1a.1 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0002 1x 2 bytes bInterval 255 Hub Descriptor: bLength 9 bDescriptorType 41 nNbrPorts 2 wHubCharacteristic 0x000a No power switching (usb 1.0) Per-port overcurrent protection bPwrOn2PwrGood 1 * 2 milli seconds bHubContrCurrent 0 milli Ampere DeviceRemovable 0x00 PortPwrCtrlMask 0xff Hub Port Status: Port 1: 0000.0100 power Port 2: 0000.0100 power Device Status: 0x0001 Self Powered Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 0 Full speed (or root) hub bMaxPacketSize0 64 idVendor 0x1d6b Linux Foundation idProduct 0x0001 1.1 root hub bcdDevice 3.05 iManufacturer 3 Linux 3.5.0 uhci_hcd iProduct 2 UHCI Host Controller iSerial 1 0000:00:1d.0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0002 1x 2 bytes bInterval 255 Hub Descriptor: bLength 9 bDescriptorType 41 nNbrPorts 2 wHubCharacteristic 0x000a No power switching (usb 1.0) Per-port overcurrent protection bPwrOn2PwrGood 1 * 2 milli seconds bHubContrCurrent 0 milli Ampere DeviceRemovable 0x00 PortPwrCtrlMask 0xff Hub Port Status: Port 1: 0000.0100 power Port 2: 0000.0100 power Device Status: 0x0001 Self Powered Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 0 Full speed (or root) hub bMaxPacketSize0 64 idVendor 0x1d6b Linux Foundation idProduct 0x0001 1.1 root hub bcdDevice 3.05 iManufacturer 3 Linux 3.5.0 uhci_hcd iProduct 2 UHCI Host Controller iSerial 1 0000:00:1d.1 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0002 1x 2 bytes bInterval 255 Hub Descriptor: bLength 9 bDescriptorType 41 nNbrPorts 2 wHubCharacteristic 0x000a No power switching (usb 1.0) Per-port overcurrent protection bPwrOn2PwrGood 1 * 2 milli seconds bHubContrCurrent 0 milli Ampere DeviceRemovable 0x00 PortPwrCtrlMask 0xff Hub Port Status: Port 1: 0000.0100 power Port 2: 0000.0100 power Device Status: 0x0001 Self Powered Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 0 Full speed (or root) hub bMaxPacketSize0 64 idVendor 0x1d6b Linux Foundation idProduct 0x0001 1.1 root hub bcdDevice 3.05 iManufacturer 3 Linux 3.5.0 uhci_hcd iProduct 2 UHCI Host Controller iSerial 1 0000:00:1d.2 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0002 1x 2 bytes bInterval 255 Hub Descriptor: bLength 9 bDescriptorType 41 nNbrPorts 2 wHubCharacteristic 0x000a No power switching (usb 1.0) Per-port overcurrent protection bPwrOn2PwrGood 1 * 2 milli seconds bHubContrCurrent 0 milli Ampere DeviceRemovable 0x00 PortPwrCtrlMask 0xff Hub Port Status: Port 1: 0000.0100 power Port 2: 0000.0100 power Device Status: 0x0001 Self Powered Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 0 Full speed (or root) hub bMaxPacketSize0 64 idVendor 0x1d6b Linux Foundation idProduct 0x0001 1.1 root hub bcdDevice 3.05 iManufacturer 3 Linux 3.5.0 uhci_hcd iProduct 2 UHCI Host Controller iSerial 1 0000:00:1d.3 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 25 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0002 1x 2 bytes bInterval 255 Hub Descriptor: bLength 9 bDescriptorType 41 nNbrPorts 2 wHubCharacteristic 0x000a No power switching (usb 1.0) Per-port overcurrent protection bPwrOn2PwrGood 1 * 2 milli seconds bHubContrCurrent 0 milli Ampere DeviceRemovable 0x00 PortPwrCtrlMask 0xff Hub Port Status: Port 1: 0000.0100 power Port 2: 0000.0100 power Device Status: 0x0001 Self Powered Bus 002 Device 003: ID 045e:0047 Microsoft Corp. IntelliMouse Explorer 3.0 Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 8 idVendor 0x045e Microsoft Corp. idProduct 0x0047 IntelliMouse Explorer 3.0 bcdDevice 3.00 iManufacturer 1 Microsoft iProduct 3 Microsoft 5-Button Mouse with IntelliEye(TM) iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 34 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xa0 (Bus Powered) Remote Wakeup MaxPower 100mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 1 Boot Interface Subclass bInterfaceProtocol 2 Mouse iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.10 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 72 Report Descriptors: ** UNAVAILABLE ** Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0004 1x 4 bytes bInterval 10 Device Status: 0x0000 (Bus Powered) Bus 002 Device 004: ID 0c45:62e0 Microdia MSI Starcam Racer Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 ? bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x0c45 Microdia idProduct 0x62e0 MSI Starcam Racer bcdDevice 1.00 iManufacturer 2 Sonix Technology Co., Ltd. iProduct 1 USB 2.0 Camera iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 1051 bNumInterfaces 4 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 250mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 2 bFunctionClass 14 Video bFunctionSubClass 3 Video Interface Collection bFunctionProtocol 0 iFunction 5 USB Camera Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 1 Video Control bInterfaceProtocol 0 iInterface 5 USB Camera VideoControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdUVC 1.00 wTotalLength 103 dwClockFrequency 15.000000MHz bInCollection 1 baInterfaceNr( 0) 1 VideoControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 2 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 5 iTerminal 0 VideoControl Interface Descriptor: bLength 26 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 4 guidExtensionCode {7033f028-1163-2e4a-ba2c-6890eb334016} bNumControl 8 bNrPins 1 baSourceID( 0) 3 bControlSize 1 bmControls( 0) 0x3f iExtension 0 VideoControl Interface Descriptor: bLength 26 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 5 guidExtensionCode {3fae1228-d7bc-114e-a357-6f1edef7d61d} bNumControl 8 bNrPins 1 baSourceID( 0) 4 bControlSize 1 bmControls( 0) 0x00 iExtension 0 VideoControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0201 Camera Sensor bAssocTerminal 0 iTerminal 0 wObjectiveFocalLengthMin 0 wObjectiveFocalLengthMax 0 wOcularFocalLength 0 bControlSize 3 bmControls 0x0002002e Auto-Exposure Mode Auto-Exposure Priority Exposure Time (Absolute) Focus (Absolute) Focus, Auto VideoControl Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 5 (PROCESSING_UNIT) Warning: Descriptor too short bUnitID 3 bSourceID 1 wMaxMultiplier 0 bControlSize 2 bmControls 0x0000177f Brightness Contrast Hue Saturation Sharpness Gamma White Balance Temperature Backlight Compensation Gain Power Line Frequency White Balance Temperature, Auto iProcessing 0 bmVideoStandards 0x 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0010 1x 16 bytes bInterval 6 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 VideoStreaming Interface Descriptor: bLength 15 bDescriptorType 36 bDescriptorSubtype 1 (INPUT_HEADER) bNumFormats 2 wTotalLength 692 bEndPointAddress 129 bmInfo 0 bTerminalLink 2 bStillCaptureMethod 2 bTriggerSupport 1 bTriggerUsage 1 bControlSize 1 bmaControls( 0) 27 bmaControls( 1) 27 VideoStreaming Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED) bFormatIndex 1 bNumFrameDescriptors 6 guidFormat {59555932-0000-1000-8000-00aa00389b71} bBitsPerPixel 16 bDefaultFrameIndex 1 bAspectRatioX 0 bAspectRatioY 0 bmInterlaceFlags 0x00 Interlaced stream or variable: No Fields per frame: 2 fields Field 1 first: No Field pattern: Field 1 only bCopyProtect 0 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 3072000 dwMaxBitRate 18432000 dwMaxVideoFrameBufferSize 614400 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 352 wHeight 288 dwMinBitRate 1013760 dwMaxBitRate 6082560 dwMaxVideoFrameBufferSize 202752 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 320 wHeight 240 dwMinBitRate 768000 dwMaxBitRate 4608000 dwMaxVideoFrameBufferSize 153600 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 176 wHeight 144 dwMinBitRate 253440 dwMaxBitRate 1520640 dwMaxVideoFrameBufferSize 50688 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 160 wHeight 120 dwMinBitRate 192000 dwMaxBitRate 1152000 dwMaxVideoFrameBufferSize 38400 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 1024 dwMinBitRate 13107200 dwMaxBitRate 23592960 dwMaxVideoFrameBufferSize 2621440 dwDefaultFrameInterval 1111111 bFrameIntervalType 2 dwFrameInterval( 0) 1111111 dwFrameInterval( 1) 2000000 VideoStreaming Interface Descriptor: bLength 30 bDescriptorType 36 bDescriptorSubtype 3 (STILL_IMAGE_FRAME) bEndpointAddress 0 bNumImageSizePatterns 6 wWidth( 0) 1280 wHeight( 0) 1024 wWidth( 1) 640 wHeight( 1) 480 wWidth( 2) 352 wHeight( 2) 288 wWidth( 3) 320 wHeight( 3) 240 wWidth( 4) 176 wHeight( 4) 144 wWidth( 5) 160 wHeight( 5) 120 bNumCompressionPatterns 6 VideoStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 6 (FORMAT_MJPEG) bFormatIndex 2 bNumFrameDescriptors 6 bFlags 0 Fixed-size samples: No bDefaultFrameIndex 1 bAspectRatioX 0 bAspectRatioY 0 bmInterlaceFlags 0x00 Interlaced stream or variable: No Fields per frame: 1 fields Field 1 first: No Field pattern: Field 1 only bCopyProtect 0 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 384000 dwMaxBitRate 2304000 dwMaxVideoFrameBufferSize 76800 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 352 wHeight 288 dwMinBitRate 126720 dwMaxBitRate 760320 dwMaxVideoFrameBufferSize 25344 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 320 wHeight 240 dwMinBitRate 96000 dwMaxBitRate 576000 dwMaxVideoFrameBufferSize 19200 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 176 wHeight 144 dwMinBitRate 31680 dwMaxBitRate 190080 dwMaxVideoFrameBufferSize 6336 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 160 wHeight 120 dwMinBitRate 24000 dwMaxBitRate 144000 dwMaxVideoFrameBufferSize 4800 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 500000 dwFrameInterval( 3) 666666 dwFrameInterval( 4) 1000000 dwFrameInterval( 5) 2000000 VideoStreaming Interface Descriptor: bLength 38 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 1024 dwMinBitRate 1638400 dwMaxBitRate 4915200 dwMaxVideoFrameBufferSize 327680 dwDefaultFrameInterval 666666 bFrameIntervalType 3 dwFrameInterval( 0) 666666 dwFrameInterval( 1) 1000000 dwFrameInterval( 2) 2000000 VideoStreaming Interface Descriptor: bLength 31 bDescriptorType 36 bDescriptorSubtype 3 (STILL_IMAGE_FRAME) bEndpointAddress 0 bNumImageSizePatterns 6 wWidth( 0) 1280 wHeight( 0) 1024 wWidth( 1) 640 wHeight( 1) 480 wWidth( 2) 352 wHeight( 2) 288 wWidth( 3) 320 wHeight( 3) 240 wWidth( 4) 176 wHeight( 4) 144 wWidth( 5) 160 wHeight( 5) 120 bNumCompressionPatterns 6 bCompression( 0) 0 VideoStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 13 (COLORFORMAT) bColorPrimaries 1 (BT.709,sRGB) bTransferCharacteristics 1 (BT.709) bMatrixCoefficients 4 (SMPTE 170M (BT.601)) Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0080 1x 128 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0100 1x 256 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 3 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0320 1x 800 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 4 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0b20 2x 800 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 5 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x1320 3x 800 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 6 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x1400 3x 1024 bytes bInterval 1 Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 2 bInterfaceCount 2 bFunctionClass 1 Audio bFunctionSubClass 0 bFunctionProtocol 0 iFunction 4 USB Audio Device Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 0 iInterface 4 USB Audio Device AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 41 bInCollection 1 baInterfaceNr( 0) 3 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0201 Microphone bAssocTerminal 0 bNrChannels 1 wChannelConfig 0x0000 iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 2 bSourceID 1 bControlSize 2 bmaControls( 0) 0x01 bmaControls( 0) 0x00 Mute Control bmaControls( 1) 0x02 bmaControls( 1) 0x00 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 3 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 2 iTerminal 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 3 bDelay 1 frames wFormatTag 1 PCM AudioStreaming Interface Descriptor: bLength 14 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 1 bSubframeSize 2 bBitResolution 16 bSamFreqType 2 Discrete tSamFreq[ 0] 8000 tSamFreq[ 1] 16000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x84 EP 4 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0190 1x 400 bytes bInterval 4 bRefresh 0 bSynchAddress 0 AudioControl Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 0 Undefined wLockDelay 0 Undefined Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 ? bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 bNumConfigurations 1 Device Status: 0x0002 (Bus Powered) Remote Wakeup Enabled Bus 002 Device 005: ID 03eb:0902 Atmel Corp. 4-Port Hub Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 9 Hub bDeviceSubClass 0 Unused bDeviceProtocol 0 Full speed (or root) hub bMaxPacketSize0 8 idVendor 0x03eb Atmel Corp. idProduct 0x0902 4-Port Hub bcdDevice 1.00 iManufacturer 0 iProduct 2 USB 2.0 Hub iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 34 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 100mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 Unused bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0001 1x 1 bytes bInterval 255 ** UNRECOGNIZED: 09 29 04 09 00 32 64 00 1e Hub Descriptor: bLength 9 bDescriptorType 41 nNbrPorts 4 wHubCharacteristic 0x0009 Per-port power switching Per-port overcurrent protection bPwrOn2PwrGood 50 * 2 milli seconds bHubContrCurrent 100 milli Ampere DeviceRemovable 0x00 PortPwrCtrlMask 0x1e Hub Port Status: Port 1: 0000.0303 lowspeed power enable connect Port 2: 0000.0100 power Port 3: 0000.0100 power Port 4: 0000.0100 power Device Status: 0x0001 Self Powered Bus 002 Device 006: ID 413c:2003 Dell Computer Corp. Keyboard Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 8 idVendor 0x413c Dell Computer Corp. idProduct 0x2003 Keyboard bcdDevice 3.06 iManufacturer 1 Dell iProduct 2 iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 34 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xa0 (Bus Powered) Remote Wakeup MaxPower 70mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 1 Boot Interface Subclass bInterfaceProtocol 1 Keyboard iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.10 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 65 Report Descriptors: ** UNAVAILABLE ** Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 24 Device Status: 0x0000 (Bus Powered) -- Regards, Sarbojit -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
