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The 3270 device nodes 227/0 and 228/0 are special. 227/0 is never used, and 228/0 is used to redirect full screen applications from /dev/3270/tub to the real device node of the 3270 terminal. To keep the device names /dev/3270/tty<x> consistent with the minor number the device driver sets minor_start to 0 and skips minor 0. That makes the tty index equivalent to the minor number. But doing so seems to causes problems with init scripts. A better solution is to set minor_start to the correct value of 1 and set name_base to 1 as well. tty_register_device will then automatically create the correct tty name. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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