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<div class="postbody">我的MP4接入电脑时直接进入充电模式，用lsusb和 tail -f
/var/log/messages 查看了一下<br>
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<div class="quotecontent">刚插入USB时，用 lsusb 查看 发现多了下面这一行
，但过两秒再用lsusb 就没有了<br>
Bus 001 Device 019: ID 071b:3203 Domain Technologies, Inc. </div>
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<br>
<div class="quotecontent">用tail -f /var/log/messages <br>
Sep 5 13:09:09 cc-laptop kernel: [15202.904056] usb 1-7: new
high speed USB device using ehci_hcd and address 21<br>
Sep 5 13:09:09 cc-laptop kernel: [15203.037110] usb 1-7:
configuration #1 chosen from 1 choice<br>
Sep 5 13:09:09 cc-laptop kernel: [15203.039849] scsi18 : SCSI
emulation for USB Mass Storage devices 刚插入USB时出现这三行<br>
Sep 5 13:09:14 cc-laptop kernel: [15207.688083] usb 1-7: USB
disconnect, address 21
过两三秒出现这一行，自动断开？这是怎么回事？<br>
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<br>
<br>
请教这种问题如何解决？</div>
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