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2008 Mar 18
0
dom0 serial port usage
Hi,
my physical machine (Dell PE2650) has two serial ports, the
/proc/tty/driver/serial output looks like this under a non-XEN Linux
kernel:
serinfo:1.0 driver revision:
0: uart:16550A port:000003F8 irq:4 tx:2761 rx:2766 CTS|CD|RI
1: uart:NS16550A port:000002F8 irq:3 tx:58353 rx:2986 RTS|CTS|DTR|DSR|CD|RI
2: uart:16550A port:0000EC80 irq:177 tx:0 rx:0 CTS|DSR|CD
3: uart:unknown port:000002E8 irq:3
I don''t know what the third line is,...