Messages in this thread | | | Date | Fri, 8 Dec 2006 00:52:26 -0800 | From | "Yinghai Lu" <> | Subject | Re: [LinuxBIOS] [linux-usb-devel] [RFC][PATCH 0/2] x86_64 Early usb debug port support. |
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On 12/7/06, Greg KH <gregkh@suse.de> wrote: > Ugh, no, never use the usb-serial driver as a console device. > > That was a bad hack done as a bet many years ago. For many obvious > reasons it does not work well. understood, I found with usb_serial convertor could lose some chatacter. but the usb-debug cable seem it keep all character. > > > host with cat /dev/ttyUSB0 > > But if use minicom in host, it will not show '\r', I guess the usb debug > > cable eat return char. Greg, Can you add that back in usb_debug by > > replacing '\n' with '\r', '\n'? > > The usb-serial console code should handle this, I thought we fixed it a > while ago. Is it in the git tree? > > But this kind of interface is not what these devices are good for. They > are for the debug port information, not as a usb-serial console device. > Otherwise they are way too expensive of a device... the problem is some "modern" PC will left out serial port. then the cable could get cheap.
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