当我有lifecam 电影院网络摄像头 插入电源后，启动操作系统 (ubuntu 13.1) 时出现问题。由于我是 Ubuntu 新手，我只能描述发生了什么。它启动到栗色屏幕（与当前桌面中的主题屏幕不同）要求输入密码。我输入了密码，但它没有显示在密码输入字段上。然后我注意到网络摄像头上的灯亮了，然后是塔布拉鼓的声音，然后冻结了。
拔下网络摄像头后，Ubuntu 正常启动，进入主题密码输入屏幕。
谁能提供指导来解决这个问题，或者是 Ubuntu 无法使用这个设备？
稍后，感谢您的指导。我启动了，然后放入网络摄像头，发现它亮了起来然后熄灭了，系统继续运行，所以我运行了“dmesg | tail -n 25”，得到了与网络摄像头相关的这些行：
[ 39.563813] usbcore: registered new interface driver usblp
[ 235.380107] usb 2-1.3: new high-speed USB device number 5 using ehci-pci
[ 235.489287] usb 2-1.3: New USB device found, idVendor=045e, idProduct=075d
[ 235.489292] usb 2-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 235.489296] usb 2-1.3: Product: Microsoft\xffffffc2\xffffffae\xffffffae LifeCam Cinema(TM)
[ 235.489299] usb 2-1.3: Manufacturer: Microsoft
[ 235.504605] Linux video capture interface: v2.00
[ 240.624227] 5:3:1: cannot get freq at ep 0x82
[ 240.633185] usbcore: registered new interface driver snd-usb-audio
[ 240.636551] uvcvideo: Found UVC 1.00 device Microsoft\xffffffc2\xffffffae\xffffffae LifeCam Cinema(TM) (045e:075d)
[ 240.643626] input: Microsoft\xffffffc2\xffffffae\xffffffae LifeCam Cinema(TM) as /devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1.3/2-1.3:1.0/input/input12
[ 240.643705] usbcore: registered new interface driver uvcvideo
[ 240.643707] USB Video Class driver (1.1.1)
[ 245.776178] 5:3:1: cannot get freq at ep 0x82
[ 250.776304] 5:3:1: cannot get freq at ep 0x82
[ 255.904243] 5:3:1: cannot get freq at ep 0x82
[ 260.904238] 5:3:1: cannot get freq at ep 0x82
对于第二条命令（sudo lsusb -v），我得到了
Self Powered
MaxPower 2mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 204
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 7 Printer
bInterfaceSubClass 1 Printer
bInterfaceProtocol 2 Bidirectional
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x08 EP 8 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x89 EP 9 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x06 EP 6 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x87 EP 7 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 1
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 212
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x06 EP 6 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x87 EP 7 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0001
Self Powered
Bus 001 Device 002: ID 1737:0071 Linksys WUSB600N v1 Dual-Band Wireless-N Network Adapter [Ralink RT2870]
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x1737 Linksys
idProduct 0x0071 WUSB600N v1 Dual-Band Wireless-N Network Adapter [Ralink RT2870]
bcdDevice 1.01
iManufacturer 1 Cisco-Linksys LLC
iProduct 2 Dual-Band Wireless-N USB Network Adapter
iSerial 3 (error)
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 67
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 450mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 7
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 5 (error)
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x04 EP 4 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x05 EP 5 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x06 EP 6 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0000
(Bus 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 3.11
iManufacturer 3 Linux 3.11.0-13-generic 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 6
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: 0000.0503 highspeed power enable connect
Port 4: 0000.0100 power
Port 5: 0000.0100 power
Port 6: 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 3.11
iManufacturer 3 Linux 3.11.0-13-generic uhci_hcd
iProduct 2 UHCI Host Controller
iSerial 1 0000:00:1a.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 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 3.11
iManufacturer 3 Linux 3.11.0-13-generic 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 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 3.11
iManufacturer 3 Linux 3.11.0-13-generic 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
另外，我尝试使用网络摄像头来使用 Skype，它可以运行。所以，唯一的问题是我如何让 Ubuntu 使用它来启动。
答案1
我有同样的摄像头，实际上有两个。它们在 12.10 中工作正常，但在 13.04/13.10 中工作不正常，我想说是内核发生了变化，但我不确定。我的摄像头不会完全锁定 PC，而是在蓝色 LED 亮起的情况下保持 30 秒左右，然后灯熄灭，我可以继续登录。不过，当 LED 亮起时，它基本上会锁定登录屏幕。
视频聊天也非常不稳定。Google Hangouts 上的摄像头可以预览，但之后就没有声音了，而且在对方连接后的几秒钟内就完全锁定了。如果我在“输入”页面上打开“声音属性”应用，选择 LifeCam 麦克风（打开摄像头显示实时预览），并在打开 Hangouts 聊天时保持“声音属性”页面打开，那么摄像头将继续正常工作。
当我插入相机时（在多台 Ubuntu 13.10 机器上使用两个 LifeCam Cinema 单元进行测试）我在 dmesg 中收到以下信息：
[254029.860475] usb 2-4: new high-speed USB device number 6 using ehci-pci
[254030.008797] usb 2-4: New USB device found, idVendor=045e, idProduct=075d
[254030.008802] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[254030.008805] usb 2-4: Product: Microsoft\xffffffc2\xffffffae\xffffffae LifeCam Cinema(TM)
[254030.008808] usb 2-4: Manufacturer: Microsoft
[254030.010071] uvcvideo: Found UVC 1.00 device Microsoft\xffffffc2\xffffffae\xffffffae LifeCam Cinema(TM) (045e:075d)
[254030.015924] input: Microsoft\xffffffc2\xffffffae\xffffffae LifeCam Cinema(TM) as /devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4:1.0/input/input65
[254035.137019] 6:3:1: cannot get freq at ep 0x82
[254040.661359] 6:3:1: cannot get freq at ep 0x82
[254045.661708] 6:3:1: cannot get freq at ep 0x82
[254050.858101] 6:3:1: cannot get freq at ep 0x82
[254055.858452] 6:3:1: cannot get freq at ep 0x82
我还得到了类似的东西：
[98773.902443] uvcvideo: Failed to set UVC probe control : -110 (exp. 26).
[98773.902445] 6:3:1: cannot get freq at ep 0x82
[98778.902790] uvcvideo: Failed to query (130) UVC probe control : -110 (exp. 26).
[98778.902797] 6:3:1: cannot get freq at ep 0x82
[98778.903125] uvcvideo: Failed to set UVC probe control : -32 (exp. 26).
这是 lsusb：
adam@Adam-Desktop:~$ lsusb
Bus 002 Device 006: ID 045e:075d Microsoft Corp. LifeCam Cinema
Bus 002 Device 004: ID 04da:2497 Panasonic (Matsushita) HDC-TM700
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 004: ID 0e79:1411 Archos, Inc.
Bus 001 Device 006: ID 045e:075d Microsoft Corp. LifeCam Cinema
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 027: ID 1532:0015 Razer USA, Ltd
Bus 003 Device 002: ID 1b1c:1b09 Corsair
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 009 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 010 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
尝试安装 3.13 内核。这就是我从内核 PPA 使用的 (3.13-rc2)。如果您等待，它可能会修复它，至少可以通过它启动。我在 Intel i7 930 + Radeon 5870 系统上使用 Ubuntu GNOME 13.10 + 3.13-rc2 amd64 内核 + Oibaf 图形驱动程序 PPA，尽管系统本身似乎并不重要，因为我在基于 AMD A8-3870K 的系统上使用第二个摄像头，它做同样的事情。