That's dmesg: [16252.009505] vc032x: I2c Bus Busy Wait 0 [16252.009510] vc032x: I2c Bus Busy Wait 0 [16252.009512] vc032x: Unknown sensor... [16252.009528] vc032x: probe of 5-8:1.0 failed with error -22 [16252.281029] usb 5-8: new high speed USB device using ehci_hcd and address 111 [16252.441325] usb 5-8: configuration #1 chosen from 1 choice [16252.442035] gspca: probing 046d:0892 [16252.648327] vc032x: check sensor header 44 [16252.649238] usb 5-8: USB disconnect, address 111 [16252.649322] vc032x: I2c Bus Busy Wait 0 [16252.649328] vc032x: I2c Bus Busy Wait 0 [16252.649333] vc032x: I2c Bus Busy Wait 0 [16252.649338] vc032x: I2c Bus Busy Wait 0 [16252.649343] vc032x: I2c Bus Busy Wait 0 [16252.649348] vc032x: I2c Bus Busy Wait 0 [16252.649351] vc032x: Unknown sensor... [16252.649367] vc032x: probe of 5-8:1.0 failed with error -22 [16252.925042] usb 5-8: new high speed USB device using ehci_hcd and address 112 [16253.085300] usb 5-8: configuration #1 chosen from 1 choice [16253.085943] gspca: probing 046d:0892 [16253.292454] vc032x: check sensor header 44 [16253.293361] usb 5-8: USB disconnect, address 112 [16253.293367] vc032x: I2c Bus Busy Wait 0 [16253.293373] vc032x: I2c Bus Busy Wait 0 [16253.293378] vc032x: I2c Bus Busy Wait 0 [16253.293383] vc032x: I2c Bus Busy Wait 0 [16253.293388] vc032x: I2c Bus Busy Wait 0 [16253.293393] vc032x: I2c Bus Busy Wait 0 [16253.293395] vc032x: Unknown sensor... [16253.296556] vc032x: probe of 5-8:1.0 failed with error -22 [16253.573029] usb 5-8: new high speed USB device using ehci_hcd and address 113 [16253.733322] usb 5-8: configuration #1 chosen from 1 choice [16253.735062] gspca: probing 046d:0892 [16253.940454] vc032x: check sensor header 44 [16253.941492] usb 5-8: USB disconnect, address 113 [16253.941696] vc032x: I2c Bus Busy Wait 0 [16253.941702] vc032x: I2c Bus Busy Wait 0 [16253.941707] vc032x: I2c Bus Busy Wait 0 [16253.941712] vc032x: I2c Bus Busy Wait 0 [16253.941717] vc032x: I2c Bus Busy Wait 0 [16253.941722] vc032x: I2c Bus Busy Wait 0 [16253.941724] vc032x: Unknown sensor... [16253.941740] vc032x: probe of 5-8:1.0 failed with error -22 [16254.217035] usb 5-8: new high speed USB device using ehci_hcd and address 114 [16254.377297] usb 5-8: configuration #1 chosen from 1 choice [16254.377938] gspca: probing 046d:0892 [16254.584327] vc032x: check sensor header 44 [16254.585240] usb 5-8: USB disconnect, address 114 [16254.585322] vc032x: I2c Bus Busy Wait 0 [16254.585327] vc032x: I2c Bus Busy Wait 0 [16254.585332] vc032x: I2c Bus Busy Wait 0 [16254.585337] vc032x: I2c Bus Busy Wait 0 [16254.585342] vc032x: I2c Bus Busy Wait 0 [16254.585347] vc032x: I2c Bus Busy Wait 0 [16254.585350] vc032x: Unknown sensor... [16254.585365] vc032x: probe of 5-8:1.0 failed with error -22 [16254.861030] usb 5-8: new high speed USB device using ehci_hcd and address 115 [16255.021295] usb 5-8: configuration #1 chosen from 1 choice [16255.021958] gspca: probing 046d:0892 [16255.228454] vc032x: check sensor header 44 [16255.229364] usb 5-8: USB disconnect, address 115 [16255.229606] vc032x: I2c Bus Busy Wait 0 [16255.229614] vc032x: I2c Bus Busy Wait 0 [16255.229619] vc032x: I2c Bus Busy Wait 0 [16255.229624] vc032x: I2c Bus Busy Wait 0 [16255.229629] vc032x: I2c Bus Busy Wait 0 [16255.229634] vc032x: I2c Bus Busy Wait 0 [16255.229636] vc032x: Unknown sensor... [16255.229652] vc032x: probe of 5-8:1.0 failed with error -22 [16255.501027] usb 5-8: new high speed USB device using ehci_hcd and address 116 [16255.661296] usb 5-8: configuration #1 chosen from 1 choice [16255.661934] gspca: probing 046d:0892 [16255.868327] vc032x: check sensor header 44 [16255.869360] usb 5-8: USB disconnect, address 116 [16255.869449] vc032x: I2c Bus Busy Wait 0 [16255.869455] vc032x: I2c Bus Busy Wait 0 [16255.869460] vc032x: I2c Bus Busy Wait 0 [16255.869465] vc032x: I2c Bus Busy Wait 0 [16255.869470] vc032x: I2c Bus Busy Wait 0 [16255.869475] vc032x: I2c Bus Busy Wait 0 [16255.869478] vc032x: Unknown sensor... [16255.869493] vc032x: probe of 5-8:1.0 failed with error -22 [16256.145033] usb 5-8: new high speed USB device using ehci_hcd and address 117 [16256.305294] usb 5-8: configuration #1 chosen from 1 choice [16256.305930] gspca: probing 046d:0892 [16256.512327] vc032x: check sensor header 44 [16256.513240] usb 5-8: USB disconnect, address 117 [16256.513480] vc032x: I2c Bus Busy Wait 0 [16256.513488] vc032x: I2c Bus Busy Wait 0 [16256.513493] vc032x: I2c Bus Busy Wait 0 [16256.513498] vc032x: I2c Bus Busy Wait 0 [16256.513503] vc032x: I2c Bus Busy Wait 0 [16256.513508] vc032x: I2c Bus Busy Wait 0 [16256.513510] vc032x: Unknown sensor... [16256.513526] vc032x: probe of 5-8:1.0 failed with error -22 [16256.785051] usb 5-8: new high speed USB device using ehci_hcd and address 118 [16256.945301] usb 5-8: configuration #1 chosen from 1 choice [16256.945905] gspca: probing 046d:0892 [16257.152327] vc032x: check sensor header 44 [16257.153241] usb 5-8: USB disconnect, address 118 [16257.153323] vc032x: I2c Bus Busy Wait 0 [16257.153329] vc032x: I2c Bus Busy Wait 0 [16257.153334] vc032x: I2c Bus Busy Wait 0 [16257.153339] vc032x: I2c Bus Busy Wait 0 [16257.153344] vc032x: I2c Bus Busy Wait 0 [16257.153349] vc032x: I2c Bus Busy Wait 0 [16257.153351] vc032x: Unknown sensor... [16257.153367] vc032x: probe of 5-8:1.0 failed with error -22 [16257.429035] usb 5-8: new high speed USB device using ehci_hcd and address 119 [16257.589297] usb 5-8: configuration #1 chosen from 1 choice [16257.589935] gspca: probing 046d:0892 [16257.796454] vc032x: check sensor header 44 [16257.797484] usb 5-8: USB disconnect, address 119 [16257.797614] vc032x: I2c Bus Busy Wait 0 [16257.797621] vc032x: I2c Bus Busy Wait 0 [16257.797626] vc032x: I2c Bus Busy Wait 0 [16257.797631] vc032x: I2c Bus Busy Wait 0 [16257.797636] vc032x: I2c Bus Busy Wait 0 [16257.797641] vc032x: I2c Bus Busy Wait 0 [16257.797643] vc032x: Unknown sensor... [16257.798660] vc032x: probe of 5-8:1.0 failed with error -22 [16258.069032] usb 5-8: new high speed USB device using ehci_hcd and address 120 [16258.229296] usb 5-8: configuration #1 chosen from 1 choice [16258.229931] gspca: probing 046d:0892 [16258.436327] vc032x: check sensor header 44 [16258.437241] usb 5-8: USB disconnect, address 120 [16258.437482] vc032x: I2c Bus Busy Wait 0 [16258.437490] vc032x: I2c Bus Busy Wait 0 [16258.437495] vc032x: I2c Bus Busy Wait 0 [16258.437500] vc032x: I2c Bus Busy Wait 0 [16258.437505] vc032x: I2c Bus Busy Wait 0 [16258.437510] vc032x: I2c Bus Busy Wait 0 [16258.437513] vc032x: Unknown sensor... [16258.437528] vc032x: probe of 5-8:1.0 failed with error -22 [16258.709028] usb 5-8: new high speed USB device using ehci_hcd and address 121 [16258.869297] usb 5-8: configuration #1 chosen from 1 choice [16258.869937] gspca: probing 046d:0892 [16259.076329] vc032x: check sensor header 44 [16259.077240] usb 5-8: USB disconnect, address 121 [16259.077704] vc032x: I2c Bus Busy Wait 0 [16259.077712] vc032x: I2c Bus Busy Wait 0 [16259.077717] vc032x: I2c Bus Busy Wait 0 [16259.077722] vc032x: I2c Bus Busy Wait 0 [16259.077727] vc032x: I2c Bus Busy Wait 0 [16259.077732] vc032x: I2c Bus Busy Wait 0 [16259.077735] vc032x: Unknown sensor... [16259.080409] vc032x: probe of 5-8:1.0 failed with error -22 [16259.357032] usb 5-8: new high speed USB device using ehci_hcd and address 122 [16259.517295] usb 5-8: configuration #1 chosen from 1 choice [16259.517942] gspca: probing 046d:0892 [16259.724328] vc032x: check sensor header 44 [16259.725242] usb 5-8: USB disconnect, address 122 [16259.725324] vc032x: I2c Bus Busy Wait 0 [16259.725330] vc032x: I2c Bus Busy Wait 0 [16259.725335] vc032x: I2c Bus Busy Wait 0 [16259.725340] vc032x: I2c Bus Busy Wait 0 [16259.725345] vc032x: I2c Bus Busy Wait 0 [16259.725350] vc032x: I2c Bus Busy Wait 0 [16259.725352] vc032x: Unknown sensor... [16259.725367] vc032x: probe of 5-8:1.0 failed with error -22 [16260.001032] usb 5-8: new high speed USB device using ehci_hcd and address 123 [16260.161297] usb 5-8: configuration #1 chosen from 1 choice [16260.161935] gspca: probing 046d:0892 [16260.368329] vc032x: check sensor header 44 [16260.369359] usb 5-8: USB disconnect, address 123 [16260.369447] vc032x: I2c Bus Busy Wait 0 [16260.369453] vc032x: I2c Bus Busy Wait 0 [16260.369458] vc032x: I2c Bus Busy Wait 0 [16260.369463] vc032x: I2c Bus Busy Wait 0 [16260.369468] vc032x: I2c Bus Busy Wait 0 [16260.369473] vc032x: I2c Bus Busy Wait 0 [16260.369476] vc032x: Unknown sensor... [16260.369491] vc032x: probe of 5-8:1.0 failed with error -22 [16260.645031] usb 5-8: new high speed USB device using ehci_hcd and address 124 [16260.805294] usb 5-8: configuration #1 chosen from 1 choice [16260.805930] gspca: probing 046d:0892 [16261.012453] vc032x: check sensor header 44 [16261.013483] usb 5-8: USB disconnect, address 124 [16261.013735] vc032x: I2c Bus Busy Wait 0 [16261.013742] vc032x: I2c Bus Busy Wait 0 [16261.013748] vc032x: I2c Bus Busy Wait 0 [16261.013753] vc032x: I2c Bus Busy Wait 0 [16261.013757] vc032x: I2c Bus Busy Wait 0 [16261.013762] vc032x: I2c Bus Busy Wait 0 [16261.013765] vc032x: Unknown sensor... [16261.013780] vc032x: probe of 5-8:1.0 failed with error -22 [16261.285031] usb 5-8: new high speed USB device using ehci_hcd and address 125 [16261.445296] usb 5-8: configuration #1 chosen from 1 choice [16261.445934] gspca: probing 046d:0892 [16261.652328] vc032x: check sensor header 44 [16261.653239] usb 5-8: USB disconnect, address 125 [16261.653478] vc032x: I2c Bus Busy Wait 0 [16261.653486] vc032x: I2c Bus Busy Wait 0 [16261.653491] vc032x: I2c Bus Busy Wait 0 [16261.653496] vc032x: I2c Bus Busy Wait 0 [16261.653501] vc032x: I2c Bus Busy Wait 0 [16261.653506] vc032x: I2c Bus Busy Wait 0 [16261.653509] vc032x: Unknown sensor... [16261.653524] vc032x: probe of 5-8:1.0 failed with error -22 [16261.925030] usb 5-8: new high speed USB device using ehci_hcd and address 126 [16262.085327] usb 5-8: configuration #1 chosen from 1 choice [16262.086038] gspca: probing 046d:0892 [16262.292455] vc032x: check sensor header 44 [16262.293365] usb 5-8: USB disconnect, address 126 [16262.293495] vc032x: I2c Bus Busy Wait 0 [16262.293502] vc032x: I2c Bus Busy Wait 0 [16262.293507] vc032x: I2c Bus Busy Wait 0 [16262.293512] vc032x: I2c Bus Busy Wait 0 [16262.293517] vc032x: I2c Bus Busy Wait 0 [16262.293522] vc032x: I2c Bus Busy Wait 0 [16262.293525] vc032x: Unknown sensor... [16262.293540] vc032x: probe of 5-8:1.0 failed with error -22 [16262.569031] usb 5-8: new high speed USB device using ehci_hcd and address 127 [16262.729296] usb 5-8: configuration #1 chosen from 1 choice [16262.729935] gspca: probing 046d:0892 [16262.936330] vc032x: check sensor header 44 [16262.937361] usb 5-8: USB disconnect, address 127 [16262.937449] vc032x: I2c Bus Busy Wait 0 [16262.937455] vc032x: I2c Bus Busy Wait 0 [16262.937460] vc032x: I2c Bus Busy Wait 0 [16262.937465] vc032x: I2c Bus Busy Wait 0 [16262.937470] vc032x: I2c Bus Busy Wait 0 [16262.937475] vc032x: I2c Bus Busy Wait 0 [16262.937478] vc032x: Unknown sensor... [16262.937493] vc032x: probe of 5-8:1.0 failed with error -22 [16263.213030] usb 5-8: new high speed USB device using ehci_hcd and address 2 [16263.373294] usb 5-8: configuration #1 chosen from 1 choice [16263.373933] gspca: probing 046d:0892 [16263.580329] vc032x: check sensor header 44 [16263.581361] usb 5-8: USB disconnect, address 2 [16263.581448] vc032x: I2c Bus Busy Wait 0 [16263.581453] vc032x: I2c Bus Busy Wait 0 [16263.581458] vc032x: I2c Bus Busy Wait 0 [16263.581463] vc032x: I2c Bus Busy Wait 0 [16263.581468] vc032x: I2c Bus Busy Wait 0 [16263.581473] vc032x: I2c Bus Busy Wait 0 [16263.581476] vc032x: Unknown sensor... [16263.581491] vc032x: probe of 5-8:1.0 failed with error -22 [16263.857069] usb 5-8: new high speed USB device using ehci_hcd and address 3 [16264.017295] usb 5-8: configuration #1 chosen from 1 choice [16264.017932] gspca: probing 046d:0892 [16264.224455] vc032x: check sensor header 44 [16264.225367] usb 5-8: USB disconnect, address 3 [16264.225493] vc032x: I2c Bus Busy Wait 0 [16264.225500] vc032x: I2c Bus Busy Wait 0 [16264.225505] vc032x: I2c Bus Busy Wait 0 [16264.225510] vc032x: I2c Bus Busy Wait 0 [16264.225515] vc032x: I2c Bus Busy Wait 0 [16264.225520] vc032x: I2c Bus Busy Wait 0 [16264.225523] vc032x: Unknown sensor... [16264.225538] vc032x: probe of 5-8:1.0 failed with error -22 [16264.501031] usb 5-8: new high speed USB device using ehci_hcd and address 4 [16264.661296] usb 5-8: configuration #1 chosen from 1 choice [16264.662581] gspca: probing 046d:0892 [16264.868986] vc032x: check sensor header 44 [16264.869992] usb 5-8: USB disconnect, address 4 [16264.870197] vc032x: I2c Bus Busy Wait 0 [16264.870203] vc032x: I2c Bus Busy Wait 0 [16264.870208] vc032x: I2c Bus Busy Wait 0 [16264.870213] vc032x: I2c Bus Busy Wait 0 [16264.870218] vc032x: I2c Bus Busy Wait 0 [16264.870223] vc032x: I2c Bus Busy Wait 0 [16264.870225] vc032x: Unknown sensor... [16264.870241] vc032x: probe of 5-8:1.0 failed with error -22 [16265.145034] usb 5-8: new high speed USB device using ehci_hcd and address 5 [16265.305283] usb 5-8: configuration #1 chosen from 1 choice [16265.305917] gspca: probing 046d:0892 [16265.512454] vc032x: check sensor header 44 [16265.513494] usb 5-8: USB disconnect, address 5 [16265.513696] vc032x: I2c Bus Busy Wait 0 [16265.513702] vc032x: I2c Bus Busy Wait 0 [16265.513707] vc032x: I2c Bus Busy Wait 0 [16265.513712] vc032x: I2c Bus Busy Wait 0 [16265.513717] vc032x: I2c Bus Busy Wait 0 [16265.513722] vc032x: I2c Bus Busy Wait 0 [16265.513725] vc032x: Unknown sensor... [16265.513740] vc032x: probe of 5-8:1.0 failed with error -22 [16265.789033] usb 5-8: new high speed USB device using ehci_hcd and address 6 [16265.949295] usb 5-8: configuration #1 chosen from 1 choice [16265.949937] gspca: probing 046d:0892 [16266.156455] vc032x: check sensor header 44 [16266.157482] usb 5-8: USB disconnect, address 6 [16266.157574] vc032x: I2c Bus Busy Wait 0 [16266.157580] vc032x: I2c Bus Busy Wait 0 [16266.157585] vc032x: I2c Bus Busy Wait 0 [16266.157590] vc032x: I2c Bus Busy Wait 0 [16266.157595] vc032x: I2c Bus Busy Wait 0 [16266.157600] vc032x: I2c Bus Busy Wait 0 [16266.157602] vc032x: Unknown sensor... [16266.157618] vc032x: probe of 5-8:1.0 failed with error -22 [16266.433029] usb 5-8: new high speed USB device using ehci_hcd and address 7 [16266.593298] usb 5-8: configuration #1 chosen from 1 choice [16266.593914] gspca: probing 046d:0892 [16266.800455] vc032x: check sensor header 44 [16266.801365] usb 5-8: USB disconnect, address 7 [16266.801627] vc032x: I2c Bus Busy Wait 0 [16266.801635] vc032x: I2c Bus Busy Wait 0 [16266.801640] vc032x: I2c Bus Busy Wait 0 [16266.801645] vc032x: I2c Bus Busy Wait 0 [16266.801650] vc032x: I2c Bus Busy Wait 0 [16266.801655] vc032x: I2c Bus Busy Wait 0 [16266.801658] vc032x: Unknown sensor... [16266.801674] vc032x: probe of 5-8:1.0 failed with error -22 [16267.073612] usb 5-8: new high speed USB device using ehci_hcd and address 8 [16267.233297] usb 5-8: configuration #1 chosen from 1 choice [16267.233937] gspca: probing 046d:0892 [16267.440453] vc032x: check sensor header 44 [16267.441366] usb 5-8: USB disconnect, address 8 [16267.441491] vc032x: I2c Bus Busy Wait 0 [16267.441498] vc032x: I2c Bus Busy Wait 0 [16267.441503] vc032x: I2c Bus Busy Wait 0 [16267.441508] vc032x: I2c Bus Busy Wait 0 [16267.441513] vc032x: I2c Bus Busy Wait 0 [16267.441518] vc032x: I2c Bus Busy Wait 0 [16267.441521] vc032x: Unknown sensor... [16267.441535] vc032x: probe of 5-8:1.0 failed with error -22 [16267.717031] usb 5-8: new high speed USB device using ehci_hcd and address 9 [16267.877298] usb 5-8: configuration #1 chosen from 1 choice [16267.878149] gspca: probing 046d:0892 [16268.084663] vc032x: check sensor header 44 [16268.085619] usb 5-8: USB disconnect, address 9 [16268.085808] vc032x: I2c Bus Busy Wait 0 [16268.085815] vc032x: I2c Bus Busy Wait 0 [16268.085820] vc032x: I2c Bus Busy Wait 0 [16268.085825] vc032x: I2c Bus Busy Wait 0 [16268.085830] vc032x: I2c Bus Busy Wait 0 [16268.085835] vc032x: I2c Bus Busy Wait 0 [16268.085838] vc032x: Unknown sensor... [16268.088523] vc032x: probe of 5-8:1.0 failed with error -22 [16268.364043] usb 5-8: new high speed USB device using ehci_hcd and address 10 [16268.520304] usb 5-8: configuration #1 chosen from 1 choice [16268.521538] gspca: probing 046d:0892 [16268.728330] vc032x: check sensor header 44 [16268.729359] usb 5-8: USB disconnect, address 10 [16268.729482] vc032x: I2c Bus Busy Wait 0 [16268.729489] vc032x: I2c Bus Busy Wait 0 [16268.729494] vc032x: I2c Bus Busy Wait 0 [16268.729499] vc032x: I2c Bus Busy Wait 0 [16268.729504] vc032x: I2c Bus Busy Wait 0 [16268.729509] vc032x: I2c Bus Busy Wait 0 [16268.729511] vc032x: Unknown sensor... [16268.730769] vc032x: probe of 5-8:1.0 failed with error -22 [16269.008693] usb 5-8: new high speed USB device using ehci_hcd and address 11 [16269.168836] usb 5-8: configuration #1 chosen from 1 choice [16269.170036] gspca: probing 046d:0892 [16269.376329] vc032x: check sensor header 44 [16269.377359] usb 5-8: USB disconnect, address 11 [16269.377481] vc032x: I2c Bus Busy Wait 0 [16269.377488] vc032x: I2c Bus Busy Wait 0 [16269.377493] vc032x: I2c Bus Busy Wait 0 [16269.377498] vc032x: I2c Bus Busy Wait 0 [16269.377503] vc032x: I2c Bus Busy Wait 0 [16269.377508] vc032x: I2c Bus Busy Wait 0 [16269.377510] vc032x: Unknown sensor... [16269.378529] vc032x: probe of 5-8:1.0 failed with error -22 [16269.648064] usb 5-8: new high speed USB device using ehci_hcd and address 12 [16269.804302] usb 5-8: configuration #1 chosen from 1 choice [16269.805569] gspca: probing 046d:0892 [16270.012581] vc032x: check sensor header 44 [16270.013608] usb 5-8: USB disconnect, address 12 [16270.013731] vc032x: I2c Bus Busy Wait 0 [16270.013738] vc032x: I2c Bus Busy Wait 0 [16270.013743] vc032x: I2c Bus Busy Wait 0 [16270.013748] vc032x: I2c Bus Busy Wait 0 [16270.013753] vc032x: I2c Bus Busy Wait 0 [16270.013758] vc032x: I2c Bus Busy Wait 0 [16270.013761] vc032x: Unknown sensor... [16270.014820] vc032x: probe of 5-8:1.0 failed with error -22 [16270.284037] usb 5-8: new high speed USB device using ehci_hcd and address 13 [16270.440319] usb 5-8: configuration #1 chosen from 1 choice [16270.441542] gspca: probing 046d:0892 [16270.648331] vc032x: check sensor header 44 [16270.649238] usb 5-8: USB disconnect, address 13 [16270.649700] vc032x: I2c Bus Busy Wait 0 [16270.649708] vc032x: I2c Bus Busy Wait 0 [16270.649713] vc032x: I2c Bus Busy Wait 0 [16270.649718] vc032x: I2c Bus Busy Wait 0 [16270.649723] vc032x: I2c Bus Busy Wait 0 [16270.649728] vc032x: I2c Bus Busy Wait 0 [16270.649730] vc032x: Unknown sensor... [16270.652412] vc032x: probe of 5-8:1.0 failed with error -22 [16270.928042] usb 5-8: new high speed USB device using ehci_hcd and address 14 [16271.089634] usb 5-8: configuration #1 chosen from 1 choice [16271.091059] gspca: probing 046d:0892 [16271.296457] vc032x: check sensor header 44 [16271.297483] usb 5-8: USB disconnect, address 14 [16271.297606] vc032x: I2c Bus Busy Wait 0 [16271.297613] vc032x: I2c Bus Busy Wait 0 [16271.297618] vc032x: I2c Bus Busy Wait 0 [16271.297623] vc032x: I2c Bus Busy Wait 0 [16271.297628] vc032x: I2c Bus Busy Wait 0 [16271.297633] vc032x: I2c Bus Busy Wait 0 [16271.297636] vc032x: Unknown sensor... [16271.298717] vc032x: probe of 5-8:1.0 failed with error -22 [16271.568841] usb 5-8: new high speed USB device using ehci_hcd and address 15 [16271.724289] usb 5-8: configuration #1 chosen from 1 choice [16271.725547] gspca: probing 046d:0892 [16271.932454] vc032x: check sensor header 44 [16271.933484] usb 5-8: USB disconnect, address 15 [16271.933607] vc032x: I2c Bus Busy Wait 0 [16271.933614] vc032x: I2c Bus Busy Wait 0 [16271.933619] vc032x: I2c Bus Busy Wait 0 [16271.933624] vc032x: I2c Bus Busy Wait 0 [16271.933629] vc032x: I2c Bus Busy Wait 0 [16271.933634] vc032x: I2c Bus Busy Wait 0 [16271.933636] vc032x: Unknown sensor... [16271.934658] vc032x: probe of 5-8:1.0 failed with error -22 [16272.204041] usb 5-8: new high speed USB device using ehci_hcd and address 16 [16272.360304] usb 5-8: configuration #1 chosen from 1 choice [16272.361541] gspca: probing 046d:0892 [16272.568329] vc032x: check sensor header 44 [16272.569238] usb 5-8: USB disconnect, address 16 [16272.569699] vc032x: I2c Bus Busy Wait 0 [16272.569707] vc032x: I2c Bus Busy Wait 0 [16272.569712] vc032x: I2c Bus Busy Wait 0 [16272.569717] vc032x: I2c Bus Busy Wait 0 [16272.569722] vc032x: I2c Bus Busy Wait 0 [16272.569727] vc032x: I2c Bus Busy Wait 0 [16272.569729] vc032x: Unknown sensor... [16272.572510] vc032x: probe of 5-8:1.0 failed with error -22 [16272.848042] usb 5-8: new high speed USB device using ehci_hcd and address 17 [16273.004308] usb 5-8: configuration #1 chosen from 1 choice [16273.005534] gspca: probing 046d:0892 [16273.212455] vc032x: check sensor header 44 [16273.213483] usb 5-8: USB disconnect, address 17 [16273.213607] vc032x: I2c Bus Busy Wait 0 [16273.213613] vc032x: I2c Bus Busy Wait 0 [16273.213618] vc032x: I2c Bus Busy Wait 0 [16273.213623] vc032x: I2c Bus Busy Wait 0 [16273.213628] vc032x: I2c Bus Busy Wait 0 [16273.213633] vc032x: I2c Bus Busy Wait 0 [16273.213636] vc032x: Unknown sensor... [16273.214660] vc032x: probe of 5-8:1.0 failed with error -22 [16273.484044] usb 5-8: new high speed USB device using ehci_hcd and address 18 [16273.640308] usb 5-8: configuration #1 chosen from 1 choice [16273.641538] gspca: probing 046d:0892 [16273.848336] vc032x: check sensor header 44 [16273.849367] usb 5-8: USB disconnect, address 18 [16273.849840] vc032x: I2c Bus Busy Wait 0 [16273.849848] vc032x: I2c Bus Busy Wait 0 [16273.849853] vc032x: I2c Bus Busy Wait 0 [16273.849858] vc032x: I2c Bus Busy Wait 0 [16273.849863] vc032x: I2c Bus Busy Wait 0 [16273.849868] vc032x: I2c Bus Busy Wait 0 [16273.849870] vc032x: Unknown sensor... [16273.852564] vc032x: probe of 5-8:1.0 failed with error -22 [16274.124041] usb 5-8: new high speed USB device using ehci_hcd and address 19 [16274.280312] usb 5-8: configuration #1 chosen from 1 choice [16274.281570] gspca: probing 046d:0892 [16274.488331] vc032x: check sensor header 44 [16274.489359] usb 5-8: USB disconnect, address 19 [16274.489483] vc032x: I2c Bus Busy Wait 0 [16274.489490] vc032x: I2c Bus Busy Wait 0 [16274.489495] vc032x: I2c Bus Busy Wait 0 [16274.489500] vc032x: I2c Bus Busy Wait 0 [16274.489505] vc032x: I2c Bus Busy Wait 0 [16274.489510] vc032x: I2c Bus Busy Wait 0 [16274.489513] vc032x: Unknown sensor... [16274.490564] vc032x: probe of 5-8:1.0 failed with error -22 [16274.760041] usb 5-8: new high speed USB device using ehci_hcd and address 20 [16274.916307] usb 5-8: configuration #1 chosen from 1 choice [16274.917538] gspca: probing 046d:0892 [16275.124582] vc032x: check sensor header 44 [16275.125609] usb 5-8: USB disconnect, address 20 [16275.125733] vc032x: I2c Bus Busy Wait 0 [16275.125740] vc032x: I2c Bus Busy Wait 0 [16275.125745] vc032x: I2c Bus Busy Wait 0 [16275.125750] vc032x: I2c Bus Busy Wait 0 [16275.125755] vc032x: I2c Bus Busy Wait 0 [16275.125760] vc032x: I2c Bus Busy Wait 0 [16275.125763] vc032x: Unknown sensor... [16275.126784] vc032x: probe of 5-8:1.0 failed with error -22 [16275.396042] usb 5-8: new high speed USB device using ehci_hcd and address 21 [16275.552306] usb 5-8: configuration #1 chosen from 1 choice [16275.553541] gspca: probing 046d:0892 [16275.760457] vc032x: check sensor header 44 [16275.761491] usb 5-8: USB disconnect, address 21 [16275.761951] vc032x: I2c Bus Busy Wait 0 [16275.761958] vc032x: I2c Bus Busy Wait 0 [16275.761964] vc032x: I2c Bus Busy Wait 0 [16275.761969] vc032x: I2c Bus Busy Wait 0 [16275.761974] vc032x: I2c Bus Busy Wait 0 [16275.761978] vc032x: I2c Bus Busy Wait 0 [16275.761981] vc032x: Unknown sensor... [16275.764711] vc032x: probe of 5-8:1.0 failed with error -22 [16276.040041] usb 5-8: new high speed USB device using ehci_hcd and address 22 [16276.206962] usb 5-8: configuration #1 chosen from 1 choice [16276.208189] gspca: probing 046d:0892 [16276.416329] vc032x: check sensor header 44 [16276.417241] usb 5-8: USB disconnect, address 22 [16276.417701] vc032x: I2c Bus Busy Wait 0 [16276.417709] vc032x: I2c Bus Busy Wait 0 [16276.417714] vc032x: I2c Bus Busy Wait 0 [16276.417719] vc032x: I2c Bus Busy Wait 0 [16276.417724] vc032x: I2c Bus Busy Wait 0 [16276.417729] vc032x: I2c Bus Busy Wait 0 [16276.417732] vc032x: Unknown sensor... [16276.420446] vc032x: probe of 5-8:1.0 failed with error -22 [16276.696044] usb 5-8: new high speed USB device using ehci_hcd and address 23 [16276.868243] usb 5-8: configuration #1 chosen from 1 choice [16276.869577] gspca: probing 046d:0892 [16277.076331] vc032x: check sensor header 44 [16277.077360] usb 5-8: USB disconnect, address 23 [16277.077484] vc032x: I2c Bus Busy Wait 0 [16277.077490] vc032x: I2c Bus Busy Wait 0 [16277.077495] vc032x: I2c Bus Busy Wait 0 [16277.077500] vc032x: I2c Bus Busy Wait 0 [16277.077505] vc032x: I2c Bus Busy Wait 0 [16277.077510] vc032x: I2c Bus Busy Wait 0 [16277.077513] vc032x: Unknown sensor... [16277.078581] vc032x: probe of 5-8:1.0 failed with error -22 sabine@sabine-laptop:~$ Thanks