[Xen-devel] How to debug xen without serial port

[FeanFine <feanfine@xxxxxxxx>]

  Hi, guys,
I have a problem here. Now i am using a motherboard without serial port, and i want to debug xen to get some system log, so i use  one usb2UART line to redirect serial port to USB.
After that, i configure system according to this link: http://wiki.xensource.com/xenwiki/XenSerialConsole, and change the ttyS0 to ttyUSB0.
But i can not get any log, so is there anyone can help me?

Thanks

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