Hi, I''ve got the serial console on my Xen system working reliably now, since Keir''s patch went in. However, I can''t find a way to use the other serial port to connect to the serial console on the other system under my desk. Loading the 8250 serial driver doesn''t work, since the serial console already takes up some of the resources that the 8250 serial driver wants to claim. I''m wondering what the most acceptable way would be to resolve this problem... -- "Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." - Brian W. Kernighan ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
> I''ve got the serial console on my Xen system working reliably > now, since Keir''s patch went in. However, I can''t find a way > to use the other serial port to connect to the serial console > on the other system under my desk. > > Loading the 8250 serial driver doesn''t work, since the serial > console already takes up some of the resources that the 8250 > serial driver wants to claim. > > I''m wondering what the most acceptable way would be to resolve > this problem...I guess there are two options: * have Xen virtualize both ports on the UARTS, and hence have a ttyS1. Since people woould generally want to use the 2nd port for fancy things like modems etc it would probably need to be quite a full emulation rather than just tx/rx. * have Xen use the iobitmap to protect access to COM1, while allowing the guest to use COM2. What does the Linux UART driver do if COM1 appears not to exist, does it still probe for COM2 (I guess so). Also, we''ll have to think through how to have ttyS0 driven by xencons, and ttyS1 by the 8250 driver. Ian ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_ide95&alloc_id396&op=click _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel