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there is error log when plug in USB devices #10

Open sunxiaohuix opened 8 years ago

sunxiaohuix commented 8 years ago
  1. Plug in USBCamera root@edison:~# [ 278.106956] usb 1-1: device descriptor read/64, error -2 [ 278.336938] usb 1-1: device descriptor read/64, error -2 [ 278.686906] usb 1-1: device descriptor read/64, error -2 [ 278.916866] usb 1-1: device descriptor read/64, error -2 [ 284.336142] usb 1-1: 3:1: cannot get freq at ep 0x82 [ 289.755399] usb 1-1: 3:1: cannot get freq at ep 0x82
  2. Plug in USB Keyboard/Mouse root@edison:~# [ 439.064808] usb 1-1: device descriptor read/64, error -2 [ 439.294775] usb 1-1: device descriptor read/64, error -2 [ 439.644742] usb 1-1: device descriptor read/64, error -2 [ 439.874712] usb 1-1: device descriptor read/64, error -2
  3. Plug in USB disk [ 818.782606] usb 1-1: device descriptor read/64, error -2 [ 819.012579] usb 1-1: device descriptor read/64, error -2 [ 819.362556] usb 1-1: device descriptor read/64, error -2 [ 819.592468] usb 1-1: device descriptor read/64, error -2 [ 927.987582] usb 1-1: device descriptor read/64, error -2 [ 928.217507] usb 1-1: device descriptor read/64, error -2 [ 928.567485] usb 1-1: device descriptor read/64, error -2 [ 928.797423] usb 1-1: device descriptor read/64, error -2 [ 931.375815] sd 5:0:0:0: [sda] No Caching mode page found [ 931.375891] sd 5:0:0:0: [sda] Assuming drive cache: write throughs