Re: [Ubuntu-zh] ubuntu 连接s3c2440板子usb接口 死机

[Win.Milan]

我碰到过，当时也没去找原因。我也想知道原因？有没有人知道呢？

在 2010年8月27日 下午1:26，henry cui 写道：

> 有没有做嵌入开发的，我用s3c2440板子用方口USB线与UBUNTU
> PC连接，第一次插入是好的，拔出后再插入一定会死机，有谁知道原因吗？，s3c2440板子在ubuntu中的显示如下：
> Bus 002 Device 004: ID 5345:1234 Owon PDS6062T Oscilloscope
> Device Descriptor:
>  bLength18
>  bDescriptorType 1
>  bcdUSB   1.10
>  bDeviceClass  255 Vendor Specific Class
>  bDeviceSubClass 0
>  bDeviceProtocol 0
>  bMaxPacketSize0 8
>  idVendor   0x5345 Owon
>  idProduct  0x1234 PDS6062T Oscilloscope
>  bcdDevice1.00
>  iManufacturer   1
>  iProduct2
>  iSerial 0
>  bNumConfigurations  1
>  Configuration Descriptor:
>bLength 9
>bDescriptorType 2
>wTotalLength   32
>bNumInterfaces  1
>bConfigurationValue 1
>iConfiguration  0
>bmAttributes 0xc0
>  Self Powered
>MaxPower   50mA
>Interface Descriptor:
>  bLength 9
>  bDescriptorType 4
>  bInterfaceNumber0
>  bAlternateSetting   0
>  bNumEndpoints   2
>  bInterfaceClass   255 Vendor Specific Class
>  bInterfaceSubClass  0
>  bInterfaceProtocol  0
>  iInterface  0
>  Endpoint Descriptor:
>bLength 7
>bDescriptorType 5
>bEndpointAddress 0x81  EP 1 IN
>bmAttributes2
>  Transfer TypeBulk
>  Synch Type   None
>  Usage Type   Data
>wMaxPacketSize 0x0040  1x 64 bytes
>bInterval   0
>  Endpoint Descriptor:
>bLength 7
>bDescriptorType 5
>bEndpointAddress 0x03  EP 3 OUT
>bmAttributes2
>  Transfer TypeBulk
>  Synch Type   None
>  Usage Type   Data
>wMaxPacketSize 0x0040  1x 64 bytes
>bInterval   0
> Device Status: 0x
>  (Bus Powered)
>
>
> --
> best,
> henry cui
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>



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[Ubuntu-zh] ubuntu 连接s3c2440板子usb 接口 死机

[henry cui]

有没有做嵌入开发的，我用s3c2440板子用方口USB线与UBUNTU
PC连接，第一次插入是好的，拔出后再插入一定会死机，有谁知道原因吗？，s3c2440板子在ubuntu中的显示如下：
Bus 002 Device 004: ID 5345:1234 Owon PDS6062T Oscilloscope
Device Descriptor:
  bLength18
  bDescriptorType 1
  bcdUSB   1.10
  bDeviceClass  255 Vendor Specific Class
  bDeviceSubClass 0
  bDeviceProtocol 0
  bMaxPacketSize0 8
  idVendor   0x5345 Owon
  idProduct  0x1234 PDS6062T Oscilloscope
  bcdDevice1.00
  iManufacturer   1
  iProduct2
  iSerial 0
  bNumConfigurations  1
  Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength   32
bNumInterfaces  1
bConfigurationValue 1
iConfiguration  0
bmAttributes 0xc0
  Self Powered
MaxPower   50mA
Interface Descriptor:
  bLength 9
  bDescriptorType 4
  bInterfaceNumber0
  bAlternateSetting   0
  bNumEndpoints   2
  bInterfaceClass   255 Vendor Specific Class
  bInterfaceSubClass  0
  bInterfaceProtocol  0
  iInterface  0
  Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81  EP 1 IN
bmAttributes2
  Transfer TypeBulk
  Synch Type   None
  Usage Type   Data
wMaxPacketSize 0x0040  1x 64 bytes
bInterval   0
  Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03  EP 3 OUT
bmAttributes2
  Transfer TypeBulk
  Synch Type   None
  Usage Type   Data
wMaxPacketSize 0x0040  1x 64 bytes
bInterval   0
Device Status: 0x
  (Bus Powered)


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best,
henry cui
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